| Name | Description | Date Created | Owner |
| Chemical Elements | The slice of ChemSpider representing all chemical elements | 17/03/2010 22:10:30 | Valery Tkachenko |
| Crystal Slides | Collection of crystal slides from Dr Harold Rose | 18/03/2010 21:12:50 | Valery Tkachenko |
| Antihistamines | Many people suffer from hay-fever in the summer months. Many antihistamine pharmaceutical agents are used as treatments including Cetirizine, Loratidine, Levocetirizine, Desloratadine and Fexofenadine. | 12/08/2010 17:11:09 | David Sharpe |
| Amino acids | This dataslice contains the 22 standard amino acids (as their naturally occuring L-form), only 21 are found in eukaryotes. Twenty are directly encoded by the universal genetic code. The remaining two; selenocysteine and pyrrolysine, are incorporated into proteins by unique synthetic mechanisms. Humans can synthesize 10 of them (by interconversions) from each other or from other molecules of intermediary metabolism, but the other 10 (essential amino acids: arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine) must be consumed in the diet.
(modified from http://en.wikipedia.org/wiki/Proteinogenic_amino_acid)
Alanine
Cysteine
Aspartic acid
Glutamic acid
Phenylalanine
Glycine
Histidine
Isoleucine
Lysine
Leucine
Methionine
Asparagine
Pyrrolysine
Proline
Glutamine
Arginine
Serine
Threonine
Selenocysteine
Valine
Tryptophan
Tyrosine | 24/08/2010 17:39:58 | Test User 3 |
| Antibiotics - narrow spectrum beta-lactams | After Antibiotics - what happens when the drugs don't work?
The NDM 1 gene, which can pass easily between types of bacteria such as E. coli and Klebsiella pneumoniae, may result in making them resistant to almost all of the carbapenem group of antibiotics. | 25/08/2010 14:58:30 | JAN DAVIES |
| Synthesis - Open primary data: Gewald Reaction | An Efficient One-Pot Synthesis of Substituted 2-Aminothiophenes via Three-Component Gewald Reaction Catalyzed by L-Proline
Tao Wang, Xian-Gui Huang, Jia Liu, Bo Li, Jin-Jin Wu, Kai-Xian Chen, Wei-Liang Zhu, Xiao-Yong Xu* and Bu-Bing Zeng*
DOI: 10.1055/s-0029-1219917 | 29/08/2010 12:04:11 | David Sharpe |
| Synthesis - Open Primary Data: Organocatalytic Mic | Asymmetric Organocatalytic Michael Addition of a,ß-Unsaturated Ketone with 1,2,4-Triazole
Yufeng Zhou, Xin Li, Wenjun Li, Chunlin Wu, Xinmiao Liang*, Jinxing Ye*
DOI: 10.1055/s-0030-1258040 | 29/08/2010 13:37:00 | David Sharpe |
| Trost Ligands | The ligand can be described as N,N'-bis(2-diphenylphosphino-1-benzoyl)-(1S,2S)-(-)-1,2-diaminocyclohexane. The derived catalysts are used in Trost asymmetric allylic alkylation reactions. These ligands are named after the American chemist Barry M. Trost, Professor of Chemistry at Stanford University. | 01/09/2010 09:34:01 | JAN DAVIES |
| Antimalarials | Earlier this year GlaxoSmithKline (GSK) became the first pharma company to freely share chemical structures from its compound library. These compounds were all indicated as having antimalarial activity. Chloroquinine, a 4-aminoquinoline, is probably the best known antimalarial drug and has been in use since the 1930s. | 01/09/2010 09:44:44 | JAN DAVIES |
| Algal Bloom Toxins | The Great North Swim in at lake Windermere Cumbria, UK has been postponed due to health concerns relating to the occurance of a bloom of Blue-green algae. While these compounds are a hazard to swimmers they are often of great interest to chemists. Lets look at a few.... | 06/09/2010 10:44:45 | David Sharpe |
| Synthesis - Open Primary Data: Titanium-Catalyzed | Titanium-Catalyzed Cyclopropanation of Boc-Protected Cyanohydrins: A Short Access to Aminocyclopropanecarboxylic Acid Derivatives
Morwenna S. M. Pearson-Longa, Alice Beauseigneura, Philippe Karoyanb, Jan Szymoniakc, Philippe Bertus*
DOI: 10.1055/s-0030-1258260
| 21/09/2010 12:43:04 | David Sharpe |
| List of changed InChIs | | 18/08/2011 17:38:06 | Sidney Sheldon |
| SpectraSchool A2 Level | List of compounds that are used in SpectraSchool. (A2 Level) | 25/08/2011 16:24:09 | Aleksey new Pshenichnov |
| SpectraSchool AS Level | List of compounds that are used in SpectraSchool. (AS Level) | 25/08/2011 16:25:19 | Aleksey new Pshenichnov |
| Saponin | Saponins are a class of chemical compounds, one of many secondary metabolites found in natural sources, with saponins found in particular abundance in various plant species. More specifically, they are amphipathic glycosides grouped, in terms of phenomenology, by the soap-like foaming they produce when shaken in aqueous solutions, and, in terms of structure, by their composition of one or more hydrophilic glycoside moieties combined with a lipophilic triterpene derivative.
http://en.wikipedia.org/wiki/Saponin | 20/10/2011 01:48:35 | Tobias Kind |
| Learn Chemistry Wiki substances | List of compounds which have a corresponding Learn Chemistry Wiki (http://www.rsc.org/learn-chemistry/wiki/) page. | 12/03/2012 11:46:03 | Aileen Day |
| Dichtel Research | Data relating to DOI 10.1039/C3SC51212F | 14/07/2013 16:28:21 | ChemSpider Deposition Service |
| Ken_Celexa_Similarity | | 02/02/2014 05:54:49 | Karen Karapetyan |
| LASSO_xxxx | | 11/01/2015 19:21:30 | Joanna Gomulka |
| Vitamin D | | 11/11/2015 07:40:01 | Brenda Tse |
| Cunila metabolomics | | 22/02/2016 11:28:25 | Joana Paula da Silva Oliveira |
| Dans là maison | Toutes l'éxpérimentes que je faire dans ma maison | 22/05/2016 01:32:37 | Andrew Macedo |
| Biofield | | 16/06/2016 11:38:44 | Edwin Levinson |
| Bis(pinacolato)diboron | pharmascutical intermediate | 30/08/2016 06:06:50 | Yang Huabo |
| Catechol Structure Search | | 01/10/2018 20:42:45 | Augustine Wu |
| New | New Product | 08/01/2020 06:13:52 | Great Zhao |
| Advance Chemicals 1 | | 09/01/2020 08:18:56 | Great Zhao |
| Fmoc-Emox CAS#: 1235983-26-2 | Fmoc-Emox CAS#: 1235983-26-2 | 09/01/2020 08:27:50 | Great Zhao |
| 3,3'-[(1-methylethylidene)bis(4,1-phenyleneoxymeth | 3,3'-[(1-methylethylidene)bis(4,1-phenyleneoxymethyl)] | 09/01/2020 08:29:14 | Great Zhao |
| Remdesivir | Remdesivir (GS-5734) is a new antiviral drug in the nucleotide analog category. It is not currently approved globally for any indication. With the deepening of research, it was discovered that the antiviral effect of Remdesivir is not limited to filamentous viruses such as Ebola virus, and it also has inhibitory effects on a variety of viruses such as coronavirus. The U.S. Food and Drug Administration (FDA) reviewed the company's application for an investigational new drug (IND) for Remdesivir to treat Covid-19, and granted investigational new drug authorisation to study the drug in February 2020. | 27/04/2020 08:27:36 | Sonia Lee |
| Emodin | CAS No.:518-82-1 | 30/10/2020 07:52:51 | Emily Wu |
| Metabolites | Pesticides metabolites | 11/11/2020 08:07:57 | Young Zhang |
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| test | test | 13/04/2021 02:41:55 | Scarlett Zou |
| CAS NO.868539-96-2 | An intermediate of Carfilzomib (C183460) which is a second-generation proteasome inhibitor that is used as a treatment in relapsed and refractory multiple myeloma. | 13/04/2021 02:46:14 | Scarlett Zou |
| daogechem52 | | 02/05/2021 13:50:55 | daoge chem |
| 6-Ethyl-5-fluoro-4-hydroxy pyrimidine | Cas No: 137234-87-8
Appearance: White to off-white powder
Purity: 99%
Molecular formula: C6H7FN2O
Molecular weight: 142.13
Origin: China
Application: Pharmaceutical intermediates(Intermediates of voriconazole) | 15/06/2021 05:04:04 | Jessie Liu |
| 4-Chloro-6-ethyl-5-fluoro pyrimidine | Cas No: 137234-74-3
Appearance: Colorless to light yellow liquid
Purity: 99%
Molecular formula: C6H6ClFN2
Molecular weight: 160.58
Origin: China
Application: Pharmaceutical intermediates(Intermediates of voriconazole) | 15/06/2021 05:20:18 | Jessie Liu |
| 2-Hydroxy-6-(Trifluoromethyl) Pyridine | Cas No: 34486-06-1
Appearance: Greyish-white powder
Purity: 99%
Molecular formula: C6H4F3NO
Molecular weight: 163.1
Origin: China
Application: Pharmaceutical intermediates | 15/06/2021 06:49:40 | Jessie Liu |
| 2,6-Dibromo-4-(Trifluoromethoxy) Aniline | Cas No: 88149-49-9
Appearance:White to off-white powder
Purity: 99%
Molecular formula: C7H4Br2F3NO
Molecular weight: 334.92
Origin: China | 15/06/2021 09:25:38 | Jessie Liu |
| 2-Methyl-4-(Trifluoromethyl) Thiazole-5-Carboxylic | Cas No: 117724-63-7
Appearance: White to off-white powder
Purity: 96%
Molecular formula: C6H4F3NO2S
Molecular weight: 211.16
Origin: China
Application: Pharmaceutical intermediates | 16/06/2021 01:56:26 | Jessie Liu |
| Thio Acetamide | Cas No: 62-55-5
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Molecular formula: C2H5NS
Molecular weight: 75.13
Origin: China
Application: Catalysts and stablizers | 16/06/2021 02:05:56 | Jessie Liu |
| Ethyl Trifluoro Acetoacetate | Cas No:372-31-6
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Purity: 99%
Molecular formula: C6H7F3O3
Molecular weight: 184.11
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| Bangyong Technology Co.,Ltd. | Bangyong Technology Co., Ltd. was established in 2014. The R&D center and sales headquarters are located in the Dalian area of China (Liaoning) Free Trade Pilot Zone. A joint venture production base was established in Fuxin Fluoride Park in Liaoning Province.and has branches in the United States, the Netherlands. It is a high-tech enterprise focusing on the research of fluoride and OLED materials. It is committed to providing professionalization for global pharmaceutical, fine chemicals and electronic materials companies. We are China's first-class fluorine chemical research enterprise. | 14/08/2021 11:16:03 | Baojun Sun |
| Bangyong Technology Co.,Ltd | Bangyong Technology Co., Ltd. was established in 2014. The R&D center and sales headquarters are located in the Dalian area of China (Liaoning) Free Trade Pilot Zone. A joint venture production base was established in Fuxin Fluoride Park in Liaoning Province.and has branches in the United States, the Netherlands. It is a high-tech enterprise focusing on the research of fluoride and OLED materials. It is committed to providing professionalization for global pharmaceutical, fine chemicals and electronic materials companies. We are China's first-class fluorine chemical research enterprise. | 14/08/2021 11:21:08 | Baojun Sun |
| Bangyong Technology | http://www.dl-bykj.cn | 14/08/2021 11:28:54 | Baojun Sun |
| QUA-2021-0506.R2 | Optimized XYZ coordinates of Ni(S2C2H2)2, Ni(Se2C2H2)2, Ni(S2C2H2)(N2C2H4), and Ni(Se2C2H2)(N2C2H4) | 14/12/2021 16:08:32 | Eric Bushnell |
| Emodin | Product No.: AB0722
Product Name: Emodin
Synonyms: Emodin;1,3,8-Trihydroxy-6-methylanthraquinone;6-Methyl-1,3,8-trihydroxyanthraquinone;emodin from frangula bark;2-CHLOROPYRIDINE-3-BORONIC ACID;EMODIN(P);EMODIN(P) PrintBack;EMODIN(RG);Frangula emodin;Rheum Emodin;1,3,8-trihydroxy-6-methyl-9,10-anthraquinone;1,3,8-TRIHYDROXY-6-METHYL-9-10-ANTHRACENEDIONE;1,3,8-Trihydroxy-6-methylanthracene-9,10-dione;1,3,8-Tri-hydroxy-6-methyl-anthra-quinone;Alatinone;Archin;Ecdyson;Emdin;EMODIN 99;EMODINE;EMODOL;schuttgelb;1,3,8-Trihydroxy-6-methyl-9,10-anthracenedione;1,3,8-Trihydroxy-6-methylanthraquinone;6-Methyl-1,3,8-trihydroxyanthraquinone;Emodol;Frangula-emodin;Frangulic acid;Rheum emodin;C.I. 75440;C.I. Natural Yellow 14;[ "1", "3", "8-Trihydroxy-6-methylanthraquinone" ]
Formula: C15H10O5
Weight: 270.24 | 21/12/2021 02:32:29 | Emily Wu |
| CAS: 2079878-75-2 WhatsApp: +86 13273196098 (Mail: | CAS: 2079878-75-2 WhatsApp: +86 13273196098 (Mail: Lucy@senyi-chem.com)
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Product Description
Chemical Name: 4-Amino-3,5-dichlorophenacylbromide
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| cyclopentane | Cyclopentane (95%-99%)
?Cyclopentane
Description:
Appearance:colorless transparent liquid
Content: =95.5% (high purity=99%)
Total Sulfur:=2ppm
Water content:=150ppm
Benzene:=4ppm
N-hexane:=10ppm
CAS NO.: 287-92-3
HS CODE: 2902199090
Country of origin: China/South Korea
Annual output: 4500 tons
Cyclopentane Applications.
Cosutin Industrial is a main cyclopentane supplier for years. Cyclopentane is used in the manufacture of synthetic resins and rubber adhesives and also as a blowing agent in the manufacture of polyurethane insulating foam, as found in many domestic appliances such as refrigerators and freezers, replacing environmentally
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| normal pentane | N-pentane (normal pentane)
Description:
Appearance:colorless transparent liquid
Content: =95% or high purity =99%
Other Hydro Carbon %: =1
Total Oleffine %: =0.1
Moisture % : =0.01
Color Saybolt : =+30
Cu-Currosion : =1a
Total Sulfur :=0.001
CAS NO.: 109-66-0
HS CODE: 290110
Country of origin: China/South Korea
Annual output: 5500 tons
N-pentane (normal pentane) Applications.
Pentanes are some of the primary blowing agents used in the production of polystyrene foam and other foams. Usually, a mixture of n-, i-, and increasingly cyclopentane is used for this purpose. Because of its low boiling point, low cost, and relative safety, pentane is used as a working medium in geothermal power stations. It is added into some refrigerant blends as well.
N-pentanes are relatively inexpensive and are the most volatile alkanes that are liquid at room temperature, so they are often used in the laboratory as solvents that can be conveniently evaporated. However, because of their nonpolarity and lack of functionality, they can only dissolve non-polar and alkyl-rich compounds. Pentanes are miscible with most common nonpolar solvents such as chlorocarbons, aromatics, and ethers. They are also often used in liquid chromatography.
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| Toluene diisocyanate | Toluene diisocyanate TDI 80/20 & TDI T100 & TDI 65/35
Description:
Product name: TDI 80/20, TDI 100, TDI 65/35
Purity% (m/m)= 99.5%
Isomeric ratio%(2,4/2,6): 80/20±1.0, 99/1, 65/35±1.0
Hydrolyzable chlorine ppm= 80
Acidity(on HCL basis)ppm= 30
Color(APHA)= 25
Country of origin: China
Annual output: 200,000 tons
Toluene diisocyanate TDI80/20 & T100 &TDI 65/35 Applications.
Applications: TDI 80/20,TDI T100, TDI65/35 is used in the production of flexible polyurethane foam and other polyurethane applications including elastomers, synthetic leather, coated fabrics, paints and adhesives.
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| Tris(2-chloroisopropyl)phosphate | Flame retardant TCPP
Description:
Appearance:colorless transparent liquid
Acidity mgkoH/g =0.05
Moisture m/m % =0.05
Viscosity 25?.mpa.s 65-70
Density @25? 1.280-1.290
Refractive index @25? 1.4625-1.4645
P content(wt. %) 9.0-9.8
Cl content(wt. %) 32.0-32.8
CAS NO.:13674-84-5
HS CODE: 29199000
Country of origin: China
Annual output: 8000 tons
Tris(2-chloroisopropyl)phosphate (TCPP) Applications
Tris(2-chloroisopropyl)phosphate (TCPP) is a general purpose chlorinated phosphate ester flame retardant used in rigid and flexible polyurethane foams, whose superiority is demonstrated in low odor, high heat stability, excellent hydrolysis stability, low viscosity, superior compatibility with resin. TCPP is recommended as flame retardant for PU foams, PVC and adhesives.
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| HFC-245fa (1,1,1,3,3-Pentafluoropropane R245fa) | 1,1,1,3,3-Pentafluoropropane (HFC-245fa, R245fa)
Description:
Appearance:colorless transparent liquid
Content: =99.7%
Moisture% : =0.005
Evaporation residue %: =0.01
Acidity %: =0.0003
CAS NO.: 460-73-1
HS CODE: 2903470000
Country of origin: China
Annual output: 2500 tons
1,1,1,3,3-Pentafluoropropane (HFC-245fa, R245fa) Applications.
1,1,1,3,3-Pentafluoropropane (HFC-245fa) is a hydrofluorocarbon used primarily for closed-cell spray foam insulation, as an alternative for dichlorofluoroethane (HCFC-141b) and trichlorofluoromethane (CFC-11).
HFC-245fa is also known as pentafluoropropane and by its chemical name 1,1,1,3,3,-pentafluoropropane. Unlike CFC and HCFC blowing agents formerly used for this purpose, it has no ozone depletion potential and is nearly non-toxic. Although it is intended to remain trapped within the foam insulation, it is practically non biodegradable with a lifetime of 7.2 years when it eventually does escape into the atmosphere. It does have a high global warming potential of 950 (950 times the global warming effect of CO2). HFC-245fa also can be used as refrigerant in special industry, replacing R-123 and R22.
SPECIFICATIONS
Appearance : Colourless and not turbid
Purity,% =99.7%
Moisture% =0.005
Evaporation residue % =0.01
Acidity % =0.0003
1,1,1,3,3-Pentafluoropropane (HFC-245fa, R245fa) Physical Parameters
1,1,1,3,3-Pentafluoropropane Basic Information
English Name: Pentafluoropropane
CAS Number: 460-73-1
Colour: Colourless
Odor : weak
Appearance: Colourless and not turbid
Chemical name: 1,1,1,3,3-Pentafluoropropane
Chemical formula: CF3CH2CHF2
Molecular Weight: 134.03 g/mol
pH: neutral
Melting point/range: -103 °C (-153 °F)
Boiling point/boiling range: 15.3 °C (59.5 °F)
Vapor pressure: 1,227 hPa at 20 °C (68 °F)
Vapor pressure: 3,882 hPa at 54.4 °C (129.9 °F)
Relative vapour density: 4.6 (Air = 1.0)
Density: 1.32 g/cm3 at 20 °C (68 °F)
Water solubility: 0.13 g/l
Synonyms: Pentafluoropropane; 1,1,3,3,3-Pentafluoropropane; R245fa; HFC-245fa; HFC245fa.
Handling method and safety information
1,1,1,3,3-Pentafluoropropane (HFC-245fa, R245fa) is liquified gas when temperature above 15 degree Celsius. Read the Material Safety Data Sheet (MSDS) before use. Dangerous or hazardous reactions do not take place under normal conditions.
1,1,1,3,3-Pentafluoropropane (HFC-245fa, R245fa) Packaging specifications
13.6kg/cylinder, 1000kg/ton tank, ISO Tank.
https://www.cosutinchina.com/products/R245fa-Pentafluoropropane.html | 16/05/2023 08:34:04 | Ryan Cao |
| Triethyl Phosphate (Flame retardant TEP) |
Flame retardant TEP (Triethyl Phosphate)
Flame retardant TEP (Triethyl phosphate)
Description:
Appearance:colorless transparent liquid
Content: =99.5%
Acid value:=0.05
Water content:=0.20
CAS NO.: 78-40-0
HS CODE: 29199000
Country of origin: China
Annual output: 4500 tons
Triethyl Phosphate(TEP) Applications.
Triethyl Phosphate(TEP) is a colorless liquid. It is the triester of ethanol and phosphoric acid and can be called "phosphoric acid, triethyl ester". Its primary uses are as an industrial catalyst (in acetic anhydride synthesis), a polymer resin modifier, and a plasticizer (e.g. for unsaturated polyesters). In smaller scale it is used as a solvent for e.g. cellulose acetate, flame retardant, an intermediate for pesticides and other chemicals, stabilizer for peroxides, a strength agent for rubber and plastic including vinyl polymers and unsaturated polyesters, etc..
SPECIFICATIONS
Appearance: Colourless and not turbid
Purity: 99. 50% Min
Acidity: 0.05 mg KOH/g Max
Water Content: 0.2% Max
Hazen Colour value: 20 Max
Refractive index: 1.405-1.407
Density: 1.068-1.073
Triethyl Phosphate (TEP) Physical Parameters
Triethyl Phosphate Basic Information
English Name: Triethyl Phosphate
CAS Number: 78-40-0
Appearance: Liquefied
Color/Colour: colorless/colourless
Odor/Odour: Not available
Molecular Structure:
Formula: C6H15O4P
Molecular Weight: 182.15
EINECS: 201-114-5
Synonyms: Ethyl phosphate; Triethylphosphate; Tris(ethyl) phosphate; TEP; Triethoxyphosphine oxid; ETHYL ACID PHOSPHATE; AURORA KA-1638; TEP; PHOSPHORIC ACID TRIETHYL ESTER; TRIETHYL PHOSPHATE; (C2H5O) 3PO; Ethyl Phosphate ((EtO) 3PO)
Melting point: -55.99 °C (-68.78 °F)
Initial boiling point: 215 °C (419 °F) - lit.
Flash point: 130 °C (266 °F) - closed cup
Evaporation rate: No data available
Flammability (solid, gas): No data available
Upper/lower: Upper explosion limit: 10 %(V)
Explosive limits: Lower explosion limit: 1.7 %(V)
Vapour pressure: 0.1 hPa (0.1 mmHg) at 20 °C (68 °F)
1.33 hPa (1.00 mmHg) at 40 °C (104 °F)
Vapour density: 6.29 - (Air = 1.0)
Relative density: 1.072 g/cm3 at 25 °C (77 °F)
Handling method and safety information
Triethyl Phosphate (TEP) is liquid at ordinary temperature. Read the Material Safety Data Sheet (MSDS) before use. Dangerous or hazardous reactions do not take place under normal conditions.
Triethyl Phosphate (TEP) Packaging specifications
200 kg/drum, 1000kg/IBC drum, ISO Tank etc.
https://www.cosutinchina.com/products/Flame-retardant-TEP-Triethyl-Phosphate.html | 16/05/2023 08:45:38 | Ryan Cao |
| 1,1-Difluoroethane (R152a, HFC-152a) | 1,1-Difluoroethane (R152a, HFC-152a)
Description:
Appearance:colorless transparent liquid
Content: =99.9%
Acidity(HCl), mg/kg:=1
Moisture mg/kg:=10
Evaporation residue mg/kg:=100
CAS NO.: 75-37-6
HS CODE: 290339
Country of origin: China
Annual output: 3500 tons
1,1-Difluoroethane (R152a, HFC-152a) Applications.
In addition to serving as a refrigerant, 1,1-difluoroethane(HFC-152a) is also commonly used in gas duster (commonly thought of as "canned air"), and many consumer aerosol products, especially those subject to stringent VOC requirements.
HFC-152a is a substance regulated under the Ozone Layer Protection Law. HFC-152a has also been used as a polyurethane foam blowing agent, aerosol, detergent and PVDF.
Cosutin Industrial is a leading supplier of 1,1-Difluoroethane (R152a, HFC-152a) in China.
SPECIFICATIONS
Appearance : Colourless and not turbid
Purity,% =99.9%
Moisture% =0.001
Non-volatile residue % =0.01
Acidity % =0.0001
1,1-Difluoroethane (R152a, HFC-152a) Physical Parameters
R152a Basic Information
English Name: 1,1-Difluoroethane
CAS Number: 75-37-6
Colour: Colourless
Odor : slight, ether-like
Appearance: Colourless and not turbid
Chemical name: 1,1-difluoroethane
Chemical formula: C2H4F2
Boiling point (°C): -25 °C, 248 K, -13 °F
melting point: -117 °C, 156 K, -179 °F
Range of flammability (vol% in air): 3.9-16.9 vol%
Flash Point: < -50 °C (< -58 °F)
Vapor Pressure: 5,960 hPa at 25 °C (77 °F)
Vapor Density: 2.4 at 25 °C (77 °F) (Air = 1.0)
Density: 0.90 g/cm3 at 25 °C (77 °F) (as liquid)
Synonyms: Difluoroethane; Freon 152a; Ethylidene difluoride; Ethylidene fluoride; HFC-152a R-152a; DFE; 1,1-Difluoroethane.
Handling method and safety information
1,1-Difluoroethane (R152a, HFC-152a) is liquefied gas at ordinary temperature. Read the Material Safety Data Sheet (MSDS) before use. Dangerous or hazardous reactions do not take place under normal conditions.
1,1-Difluoroethane (R152a, HFC-152a) Packaging specifications
30lb cylinder, 926L cylinder, ISO Tank.
https://www.cosutinchina.com/products/Difluoroethane-R152a.html | 16/05/2023 08:53:48 | Ryan Cao |
| Methylal (Dimethoxymethane) | Methylal (Dimethoxymethane)
Description:
Appearance:colorless transparent liquid
Content: =99.5%(high purity 99.95%)
Moisture%=0.01
methanol %=0.01
methanal %=0.0001
CAS NO.: 109-87-5
HS CODE: 291100
Country of origin: China
Annual output: 5500 tons
Methylal (Dimethoxymethane) Applications.
Methylal (Dimethoxymethane) is a colorless liquid. It is the triester of ethanol and phosphoric acid and can be called "phosphoric acid, triethyl ester".is a clear colorless flammable liquid with a low boiling point, low viscosity and an excellent dissolving power. It has a chloroform-like odor and a pungent taste. It is the dimethyl acetal of formaldehyde. Methylal is soluble in three parts water and miscible with most common organic solvents. It is primarily used as a solvent and in the manufacture of perfumes, resins, adhesives, paint strippers and protective coatings. Another useful application of dimethoxymethane is to protect alcohols with a MOM ether in organic synthesis.
SPECIFICATIONS
Appearance : Colorless transparent liquid
Purity,% =99.5% or 99.9%
Moisture% =0.01
methanol % =0.01
methanal % =0.0001
Methylal (Dimethoxymethane) Physical Parameters
Methylal (Dimethoxymethane) Basic Information
English Name: Methylal (Dimethoxymethane)
CAS Number: 109-87-5
Formula: C3H8O2
Molecular Weight: 76.09
Synonyms:2,4-Dioxapentane; Anesthenyl; Bis(methoxy)methane; Dimethoxymethane; Dimethyl formal; Formal; Formaldehyde dimethyl acetal; Formaldehyde
methyl ketal; Methoxymethyl methylether; Methylal; Methylene dimethyl ether.
EINECS: 203-714-2
Density: 0.8560 g/cm3
Point: -104.8°C
Boiling Point: 45.238 °C at 760 mmHg
Vapor Pressure: 43.99kpa/20 °C
Flash point: -17.8 °C
Explosion Limits, Lower:1.60 vol % Upper: 17.60 vol %
Handling method and safety information
Methylal (Dimethoxymethane) is highly flammable liquid. Read the Material Safety Data Sheet (MSDS) before use. Dangerous or hazardous reactions do not take place under normal conditions.
Methylal (Dimethoxymethane) Packaging specifications
160 kg/drum, ISO Tank.
https://www.cosutinchina.com/products/Methylal-Dimethoxymethane.html | 16/05/2023 11:13:05 | Ryan Cao |
| Isopentane | Iso-pentane(2-Methylbutane) Applications.
Isopentanes are some of the primary blowing agents used in the production of polystyrene foam and other foams. Usually, a mixture of n-, i-, and increasingly cyclopentane is used for this purpose. Because of its low boiling point, low cost, and relative safety, pentane is used as a working medium in geothermal power stations. It is added into some refrigerant blends as well.
Isopentanes are relatively inexpensive and are the most volatile alkanes that are liquid at room temperature, so they are often used in the laboratory as solvents that can be conveniently evaporated. Pentanes are miscible with most common nonpolar solvents such as chlorocarbons, aromatics, and ethers. They are also often used in liquid chromatography. Isopentane is also used in a closed loop in geothermal power production to drive turbines. Isopentane is used, in conjunction with dry ice or liquid nitrogen, to freeze tissues for cryosectioning in histology.
SPECIFICATIONS
Appearance : Colourless and not turbid
Color-saybolt: +30min
Iso-Pentane wt%: =95%
N-Pentane: balance
Butanes and lighters %: =0.5
Hexanes and heavier%: =0.5
Total Oleffines, PPM: =20
Total Sulphur, ppm: <1
Benzene, PPM: <1
Bromine index, PPM: <10
Non volatile matter, mg/100ml: <0.5
Specific Gravity g/cm3: 0.61-0.65
Water, PPM: =20
Isopentane Physical Parameters
Isopentane Basic Information
English Name: 2-Methylbutane
CAS Number: 78-78-4
Appearance Colorless transparent liquid
Odor Odorless
Melting point/freezing point -159.89?
Initial boiling point and boiling range 27.8-28.2?
Flash point -51.0?
Evaporation rate 13 BuAc=1
Flammability (solid, gas) HIGHLY FLAMMABLE
Upper/lower flammability or explosive limits Upper 8.3%; Lower 1.32%
Vapour pressure 79.3 @ 21.1?
Vapour density 2.48(AIR=1)
Relative density 0.62 (WATER=1)
Water solubility Immiscible
Autoignition temperature 420?
Viscosity 0.214 cP (at 20 °C)
Refractive index 1.357
Synonyms: 2-Methylbutane, Isopentane, Iso-pentane, IP, methylbutane
Handling method and safety information
Iso-pentane is is a highly flammable alicyclic hydrocarbon. Read the Material Safety Data Sheet (MSDS) before use. Dangerous or hazardous
reactions do not take place.
Isopentane(2-Methylbutane) Packaging specifications
125 kg/drum, ISO Tank.
https://www.cosutinchina.com/products/isopentane-2-methylbutane.html | 16/05/2023 11:21:48 | Ryan Cao |
| Stannous octoate | Stannous octoate (T-9) Applications.
Stannous octoate (T-9) is used aAs catalyst for fexible PU Foam, and also for polyurethane coating, elastomer, room temperature curing silicone rubber. Also used for medical supplies. Stannous octoate (T-9) is hydrolyzed and oxidated easily, cannot be used in combination polyether ( premix material ). Its catalytic activity is higher than Dibutyltin Dilaurate, its toxicity is low.
SPECIFICATIONS
Appearance: Light yellow liquid
Tin Content:=28.0 %
Stannous content:=27.25%
Viscosity: =380mPas(25?)
Stannous octoate (T-9) Physical Parameters
Stannous octoate (T-9) Basic Information
English Name: Stannous octoate
Formula: Sn(C7H15COO)2
Molecular weight: 405.1
Density: 1.250g/ml (25?)
Refractive index: 1.492 (20?)
Melting point: < 0 °C (32 °F; 273 K)
Boiling point: ~ 130 to 150 °C (266 to 302 °F; 403 to 423 K) at 30 mTorr
Solubility in water: Degrades in Water to form Sn(IV)
Flash point: 113 °C (235 °F; 386 K)
Synonyms: BIS(2-ETHYLHEXANOATE)TIN; 2-ETHYLHEXANOIC ACID TIN(II) SALT; STANNOUS 2-ETHYLHEXANOATE; STANNOUS 2-ETHYLHEXOATE; STANNOUS CAPRYLATE; Stannous octanoate; STANNOUS OCTOATE; TIN 2-ETHYL HEXANOATE, Dabco T-9, tin(2+) bis(2-ethylhexanoate), tin(II) octoate, Tin(II) 2-ethylhexanoate
Handling method and safety information
Stannous octoate (T-9) is liquid at ordinary temperature. Kept in cool dry places, after use, lid airtightly timely, reducing contact with air. Read the Material Safety Data Sheet (MSDS) before use. Dangerous or hazardous reactions do not take place under normal conditions.
Stannous octoate (T-9) Packaging specifications
25 kg/Barrel.
https://www.cosutinchina.com/products/Stannous-octoate-T-9.html | 16/05/2023 11:53:53 | Ryan Cao |
| Triphenyl Phosphite (TPPi) | Triphenyl Phosphite (TPPi) Applications.
Triphenyl phosphite is a colorless or light yellow transparent liquid a little phenol odour taste. It does not dissolve in water and easily dissolve in organic solvent such as alcohol, ether benzene, acetone etc. It may separate free phenol if it met moisture and has absorbility for ultraviolet. This colourless viscous liquid is the ester of phosphorous acid and phenol. It is used as a ligand in organometallic chemistry. Nickel complexes of this ligand are homogeneous catalysts for the hydrocyanation of alkenes. TPPI can be used in various PVC products, PE, PP, ABS, SBS and other products, and it can be used as pesticide intermediate, as stabilizer.
SPECIFICATIONS
Appearance:Colorless to yellowish transparent
Purity, %=99
Color, APHA=50
Specific gravity, ?@25?: 1.180-1.186
Refraction, ? @20: 1.585-1.592
Free Phenol, %=1
Acidity (as NaOH), mg/g=0.5
Triphenyl Phosphite (TPPi) Physical Parameters
TPPi Basic Information
English Name: Triphenyl Phosphite
CAS Number: 101-02-0
Formula: C18H15O3P
Molecular Weight: 310.29
EINECS: 202-908-4
Synonyms: Triphenyl Phosphite (TPPi); Triphenyl phospite; Triphenylphosphite white yellow xtl
Melting Point: 22-24°C-lit
Boiling Point: 220°C
Vapor Pressure: 5hPa
Flash point: 210°C
Explosion Limits: Not available
Handling method and safety information
Triphenyl Phosphite (TPPi) is liquid at ordinary temperature. Read the Material Safety Data Sheet (MSDS) before use. Dangerous or hazardous reactions do not take place under normal conditions.
Triphenyl Phosphite (TPPi) Packaging specifications
200 kg/drum.
https://www.cosutinchina.com/products/Triphenyl-Phosphite-TPPi.html | 16/05/2023 11:56:31 | Ryan Cao |
| Anemosapogenin | | 20/06/2023 06:38:29 | ANNA LI |
| MC-Val-Cit-PAB-PNP | ADCs linker, Mc-Val-Cit-PAB-PNP is a cathepsin cleavable linker for antibody-drug-conjugation (ADC).
https://www.creative-biolabs.com/adc/mc-val-cit-pab-pnp-856.htm | 27/06/2023 08:37:00 | Bella Smith |
| ChemicalBook | ChemicalBook is an online database of chemical substance information, established in 2006. The ChemicalBook database includes physical and chemical properties (melting point, boiling point, density, PKA) and safety information (GHS, toxicity, UN number) of 13 million chemical products, including MSDS data of 400,000 products, nuclear magnetic spectrum of 150,000 products, synthesis reaction of 300,000 products, Our data is sourced from some reliable sources and checked manually. | 03/07/2023 04:27:25 | Tony Li |
| ChemicalBook002 | ChemicalBook is an online database of chemical substance information, established in 2006. The ChemicalBook database includes physical and chemical properties (melting point, boiling point, density, PKA) and safety information (GHS, toxicity, UN number) of 13 million chemical products, including MSDS data of 400,000 products, nuclear magnetic spectrum of 150,000 products, synthesis reaction of 300,000 products, Our data is sourced from some reliable sources and checked manually. | 03/07/2023 04:35:24 | Tony Li |
| Fmoc-Val-Cit-PAB-OH | Fmoc-Val-Cit-PAB-OH is a cleavable linker for bio-conjugation that contains a OH/Alcohol group.
https://www.creative-biolabs.com/adc/fmoc-val-cit-pab-oh-851.htm | 22/09/2023 07:50:34 | Bella Smith |
| Fmoc-Val-Cit-PAB-PNP | ADCs linker, Fmoc-Val-Cit-PAB-PNP is a peptide prodrug linker for antibody-drug-conjugation (ADC).
https://www.creative-biolabs.com/adc/fmoc-val-cit-pab-pnp-852.htm | 22/09/2023 07:51:02 | Bella Smith |
| Mc-Val-Cit-PABC-PNP | ADCs linker, Mc-Val-Cit-PABC-PNP is a cathepsin cleavable ADC peptide linker.
https://www.creative-biolabs.com/adc/mc-val-cit-pabc-pnp-853.htm | 22/09/2023 07:51:31 | Bella Smith |
| Val-Cit-PAB | ADCs linker, Val-Cit-PAB is an precursor for making MC-?Val-?Cit-?PAB.
https://www.creative-biolabs.com/adc/val-cit-pab-855.htm
| 22/09/2023 07:52:12 | Bella Smith |
| SMCC | ADCs linker, SMCC is a noncleavable linker for antibody-drug-conjugation (ADC).
https://www.creative-biolabs.com/adc/smcc-864.htm | 22/09/2023 07:53:08 | Bella Smith |
| (Ac)Phe-Lys(Alloc)-PABC-PNP | ADCs linker, (Ac)Phe-Lys(Alloc)-PABC-PNP is a peptide cleavable linker in antibody drug conjugates.
https://www.creative-biolabs.com/adc/ac-phe-lys-alloc-pabc-pnp-849.htm | 22/09/2023 07:53:27 | Bella Smith |
| Mal-heptanoic NHS ester | Mal-heptanoic NHS ester is a non-cleavable linker for bio-conjugation that contains a Maleimides group and a NHS group.
https://www.creative-biolabs.com/adc/mal-heptanoic-nhs-ester-850.htm | 22/09/2023 07:53:50 | Bella Smith |
| N-Boc-N-bis(PEG4-azide) | N-Boc-N-bis(PEG4-azide) is a non-cleavable linker for bio-conjugation that contains two Azide groups linked through a linear PEG chain.
https://www.creative-biolabs.com/adc/n-boc-n-bis-peg4-azide-6524.htm | 22/09/2023 07:55:39 | Bella Smith |
| 1 | | 08/01/2024 08:08:13 | Sherman Fu |
| Kilo Biotechnology Co., Ltd. | Kilo Biotechnology, a leading enterprise specializing in the production of amino acid derivatives and pharmaceutical intermediates. Find us on www.kilobio.com
| 02/02/2024 06:13:07 | Terry Zhang |
| CHEM WAY USA | Chem-Way USA Products for Innovative Research
With more than 50,000 products in inventory, Chem-Way USA expanding product lines includes unique, highly specialized chemicals for drug development, Industrial use, medical and biochemical research.
Website: www.chem-wayusa.com | 30/03/2024 13:56:35 | Stephane Dionne |
| antibiotic | antibiotic | 04/04/2024 01:46:35 | Masahiro Fuse |
| 4-Amino-3-fluorobenzonitrile | 4-Amino-3-fluorobenzonitrile
cas:63069-50-1 | 16/04/2024 04:08:57 | Coco Yang |