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Ethyl terephthalate

ChemSpider ID: 11972
Molecular Formula: C₁₂H₁₄O₄
Average mass: 222.237198 Da
Monoisotopic mass: 222.089203 Da
Systematic name

Diethyl terephthalate
SMILES and InChIs

SMILES:

O=C(OCC)c1ccc(C(=O)OCC)cc1 Copied

Std. InChI:

InChI=1S/C12H14O4/c1-3-15-11(13)9-5-7-10(8-6-9)12(14)16-4-2/h5-8H,3-4H2,1-2H3 Copied

Std. InChIKey:

ONIHPYYWNBVMID-UHFFFAOYSA-N Copied
Cite this record
CSID:11972, http://www.chemspider.com/Chemical-Structure.11972.html (accessed 14:09, May 22, 2013) Copied

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Data supplied by datasources and users.

Experimental Physico-chemical Properties
- Experimental Melting Point:
  
  45 °C Tokyo Chemical Industry Ltd

Predicted Physico-chemical Properties

Predicted Melting Point:

45 °C Tokyo Chemical Industry Ltd

45 deg C (45 °C) Tokyo Chemical Industry Ltd

Predicted data is generated using the ACD/Labs’ ACD/PhysChem Suite, for more information see their website.

ACD/LogP:	3.393	# of Rule of 5 Violations:	0
ACD/LogD (pH 5.5):	3.39	ACD/LogD (pH 7.4):	3.39
ACD/BCF (pH 5.5):	223.00	ACD/BCF (pH 7.4):	223.00
ACD/KOC (pH 5.5):	1669.26	ACD/KOC (pH 7.4):	1669.26
#H bond acceptors:	4	#H bond donors:	0
#Freely Rotating Bonds:	6	Polar Surface Area:	52.6 Å²
Index of Refraction:	1.508	Molar Refractivity:	59.065 cm³
Molar Volume:	198.232 cm³	Polarizability:	23.415 10^-24cm³
Surface Tension:	39.3660011291504 dyne/cm	Density:	1.121 g/cm³
Flash Point:	157.651 °C	Enthalpy of Vaporization:	54.218 kJ/mol
Boiling Point:	301.999 °C at 760 mmHg	Vapour Pressure:	0.00100000004749745 mmHg at 25°C

Predicted data is generated using the US Environmental Protection Agency’s EPISuite™, for more information see their website.

                    
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  2.65

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  282.13  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -1.74  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.00118  (Modified Grain method)
    MP  (exp database):  44 deg C
    BP  (exp database):  302 deg C
    Subcooled liquid VP: 0.00175 mm Hg (25 deg C, Mod-Grain method)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  184.3
       log Kow used: 2.65 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  719.88 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Esters

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.94E-007  atm-m3/mole
   Group Method:   1.12E-007  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  1.872E-006 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.65  (KowWin est)
  Log Kaw used:  -4.793  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  7.443
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.9901
   Biowin2 (Non-Linear Model)     :   0.9997
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9885  (weeks       )
   Biowin4 (Primary Survey Model) :   3.9850  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.8710
   Biowin6 (MITI Non-Linear Model):   0.9153
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.6909
 Ready Biodegradability Prediction:   YES

Hydrocarbon Biodegradation (BioHCwin v1.01):
    Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  0.233 Pa (0.00175 mm Hg)
  Log Koa (Koawin est  ): 7.443
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.29E-005 
       Octanol/air (Koa) model:  6.81E-006 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.000464 
       Mackay model           :  0.00103 
       Octanol/air (Koa) model:  0.000544 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   3.4658 E-12 cm3/molecule-sec
      Half-Life =     3.086 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    37.034 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.000746 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  123.6
      Log Koc:  2.092 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  3.704E-001  L/mol-sec
  Kb Half-Life at pH 8:      21.657  days   
  Kb Half-Life at pH 7:     216.567  days   

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 1.337 (BCF = 21.73)
       log Kow used: 2.65 (estimated)

 Volatilization from Water:
    Henry LC:  1.12E-007 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:       7795  hours   (324.8 days)
    Half-Life from Model Lake : 8.516E+004  hours   (3548 days)

 Removal In Wastewater Treatment:
    Total removal:               3.61  percent
    Total biodegradation:        0.11  percent
    Total sludge adsorption:     3.50  percent
    Total to Air:                0.01  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       1.25            74.1         1000       
   Water     20.8            360          1000       
   Soil      77.8            720          1000       
   Sediment  0.185           3.24e+003    0          
     Persistence Time: 625 hr

Patents	Personal Collections
Publication or Magazine Article	Web-based Article (blog or commentary)
Available Chemicals Databases	Biological Properties
Chemical Reactions	Chemical Safety Data
Drugs or Compounds in Development	Imaging Agents
Information Aggregators	Journal Publishers via MeSH
Ligand/binding/crystal Structure Databases	Metabolic Pathways
Molecular Libraries Screening Center Network	Natural Products
NIH Substance Repository	Physical Properties (including SAR/QSAR databases)
Protein 3D Structures	Spectroscopy Databases
Substance Vendors	Theoretical Properties
Toxicology/Environmental Databases	Virtual Library

Category	Target	PDB Code	LASSO Score
Other Enzymes	AChE, acetylcholinesterase	1eve	0.06
Nuclear Hormone Receptors	PPARg, peroxisome proliferator activated receptor	1fm9	0.03
Kinases	SRC, tyrosine kinase SRC	2src	0.01
Other Enzymes	HMGR, hydroxymethylglutaryl-CoA reductase	1hw8	0.01
Other Enzymes	HIVPR, HIV protease	1hpx	0.01
Metalloenzymes	PDE5, phosphodiesterase 5	1xp0	0.01
Nuclear Hormone Receptors	MR, mineralocorticoid receptor	2aa2	0.01
Other Enzymes	PARP, poly(ADP-ribose) polymerase	1efy	0.01
Other Enzymes	PNP, purine nucleoside phosphorylase	1b8o	0.00
Other Enzymes	AmpC, AmpC beta-lactamase	1xgj	0.00
Nuclear Hormone Receptors	ER, estrogen receptor; agonist	1l2i	0.00
Nuclear Hormone Receptors	PR, progesterone receptor	1sr7	0.00
Folate Enzymes	DHFR, dihydrofolate reductase	3dfr	0.00
Kinases	VEGFr2, vascular endothelial growth factor receptor	1vr2	0.00
Other Enzymes	GPB, glycogen phosphorylase	1a8i	0.00
Kinases	FGFr1, fibroblast growth factor receptor kinase	1agw	0.00
Metalloenzymes	ACE, angiotensin-converting enzyme	1o86	0.00
Other Enzymes	SAHH, S-adenosyl-homocysteine hydrolase	1a7a	0.00
Other Enzymes	NA, neuraminidase	1a4g	0.00
Metalloenzymes	COMT, catechol O-methyltransferase	1h1d	0.00
Kinases	P38 MAP, P38 mitogen activated protein	1kv2	0.00
Serine Proteases	Thrombin	1ba8	0.00
Nuclear Hormone Receptors	AR, androgen receptor	1xq2	0.00
Folate Enzymes	GART, glycinamide ribonucleotide transformylase	1c2t	0.00
Kinases	PDGFrb, platelet derived growth factor receptor kinase	N/A	0.00
Kinases	CDK2, cyclindependent kinase 2	1ckp	0.00
Metalloenzymes	ADA, adenosine deaminase	1stw	0.00
Kinases	HSP90, human heat shock protein 90	1uy6	0.00
Other Enzymes	HIVRT, HIV reverse transcriptase	1rt1	0.00
Serine Proteases	FXa, factor Xa	1f0r	0.00
Other Enzymes	COX-2, cyclooxygenase-2	1cx2	0.00
Kinases	EGFr, epidermal growth factor receptor	1m17	0.00
Nuclear Hormone Receptors	RXRa, retinoic X receptor R	1mvc	0.00
Kinases	TK, thymidine kinase	1kim	0.00

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Ethyl terephthalate

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