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dichlorofluorescein

ChemSpider ID: 58471
Molecular Formula: C₂₀H₁₀Cl₂O₅
Monoisotopic mass: 399.99054 Da
Systematic name

2',7'-Dichloro-3',6'-dihydroxy-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one
SMILES and InChIs

SMILES:

Clc5cc4c(Oc1cc(O)c(Cl)cc1C34OC(=O)c2c3cccc2)cc5O Copied

Std. InChI:

InChI=1S/C20H10Cl2O5/c21-13-5-11-17(7-15(13)23)26-18-8-16(24)14(22)6-12(18)20(11)10-4-2-1-3-9(10)19(25)27-20/h1-8,23-24H Copied

Std. InChIKey:

VFNKZQNIXUFLBC-UHFFFAOYSA-N Copied

Validated by Experts, Validated by Users, Non-Validated, Removed by Users, Redirected by Users, Redirect Approved by Experts

dichlorofluorescein [Wiki]

Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 2',7'-dichloro-3',6'-dihydroxy-

11,16-dichloro-12,15-dihydroxyspiro[3-hydroisobenzofuran-3,9'-xanthene]-1-one

116189-73-2 [RN]

153474-60-3 [RN]

2',7'-dichloro-3',6'-dihydroxy-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one [ACD/IUPAC Name]

2',7'-dichlorofluorescein

2,7-Dichlorofluorescein

2',7'-Dichlorofluorescein [for Fluorescent indicator]

2',7'-dichlorofluorescin

More...

Validated by Experts, Validated by Users, Non-Validated, Removed by Users, Redirected by Users, Redirect Approved by Experts

02591_FLUKA [DBID]

35848_FLUKA [DBID]

410217_SIAL [DBID]

D6665_SIGMA [DBID]

ZINC04261850 [DBID]

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Properties

Experimental data
Predicted - ACD/Labs
Predicted - EPISuite
Predicted - ChemAxon

Data supplied by datasources and users.

experimental physchem properties
- Melting Point: >300 dec.
miscellaneous
- Safety: CAUTION: May irritate eyes, skin, and respiratory tract

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

ACD/LogP:	2.459	# of Rule of 5 Violations:	0
ACD/LogD (pH 5.5):	2.46	ACD/LogD (pH 7.4):	2.38
ACD/BCF (pH 5.5):	43.41	ACD/BCF (pH 7.4):	36.09
ACD/KOC (pH 5.5):	516.96	ACD/KOC (pH 7.4):	429.86
#H bond acceptors:	5	#H bond donors:	2
#Freely Rotating Bonds:	2	Polar Surface Area:	75.99 Å²
Index of Refraction:	1.796	Molar Refractivity:	97.65 cm³
Molar Volume:	229.135 cm³	Polarizability:	38.712 10^-24cm³
Surface Tension:	94.2350006103516 dyne/cm	Density:	1.751 g/cm³
Flash Point:	337.444 °C	Enthalpy of Vaporization:	97.177 kJ/mol
Boiling Point:	634.352 °C at 760 mmHg	Vapour Pressure:	0 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) =  4.64

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  567.76  (Adapted Stein & Brown method)
    Melting Pt (deg C):  244.25  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.38E-014  (Modified Grain method)
    Subcooled liquid VP: 5.66E-012 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):  0.09689
       log Kow used: 4.64 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.18023 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   4.89E-017  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.297E-013 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  4.64  (KowWin est)
  Log Kaw used:  -14.699  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  19.339
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.5455
   Biowin2 (Non-Linear Model)     :   0.4261
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.8821  (months      )
   Biowin4 (Primary Survey Model) :   3.1702  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3317
   Biowin6 (MITI Non-Linear Model):   0.0326
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.5548
 Ready Biodegradability Prediction:   NO

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

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  7.55E-010 Pa (5.66E-012 mm Hg)
  Log Koa (Koawin est  ): 19.339
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  3.98E+003 
       Octanol/air (Koa) model:  5.36E+006 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1 
       Mackay model           :  1 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  48.8263 E-12 cm3/molecule-sec
      Half-Life =     0.219 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     2.629 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 1 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1.516E+006
      Log Koc:  6.181 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
    Rate constants can NOT be estimated for this structure!

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 2.473 (BCF = 296.9)
       log Kow used: 4.64 (estimated)

 Volatilization from Water:
    Henry LC:  4.89E-017 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 2.398E+013  hours   (9.993E+011 days)
    Half-Life from Model Lake : 2.616E+014  hours   (1.09E+013 days)

 Removal In Wastewater Treatment:
    Total removal:              63.14  percent
    Total biodegradation:        0.57  percent
    Total sludge adsorption:    62.57  percent
    Total to Air:                0.00  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       5.39e-005       5.26         1000       
   Water     7.34            1.44e+003    1000       
   Soil      82.7            2.88e+003    1000       
   Sediment  10              1.3e+004     0          
     Persistence Time: 3.17e+003 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
Nuclear Hormone Receptors	PPARg, peroxisome proliferator activated receptor	1fm9	0.08
Other Enzymes	HIVRT, HIV reverse transcriptase	1rt1	0.02
Kinases	VEGFr2, vascular endothelial growth factor receptor	1vr2	0.02
Serine Proteases	FXa, factor Xa	1f0r	0.02
Other Enzymes	PNP, purine nucleoside phosphorylase	1b8o	0.02
Nuclear Hormone Receptors	RXRa, retinoic X receptor R	1mvc	0.01
Other Enzymes	COX-1, cyclooxygenase-1	1p4g	0.01
Kinases	HSP90, human heat shock protein 90	1uy6	0.01
Kinases	SRC, tyrosine kinase SRC	2src	0.01
Other Enzymes	HMGR, hydroxymethylglutaryl-CoA reductase	1hw8	0.01
Nuclear Hormone Receptors	MR, mineralocorticoid receptor	2aa2	0.01
Nuclear Hormone Receptors	PR, progesterone receptor	1sr7	0.01
Nuclear Hormone Receptors	ER, estrogen receptor; antagonist	3ert	0.01
Kinases	PDGFrb, platelet derived growth factor receptor kinase	N/A	0.00
Other Enzymes	AmpC, AmpC beta-lactamase	1xgj	0.00
Nuclear Hormone Receptors	ER, estrogen receptor; agonist	1l2i	0.00
Folate Enzymes	DHFR, dihydrofolate reductase	3dfr	0.00
Metalloenzymes	COMT, catechol O-methyltransferase	1h1d	0.00
Metalloenzymes	ACE, angiotensin-converting enzyme	1o86	0.00
Kinases	FGFr1, fibroblast growth factor receptor kinase	1agw	0.00
Other Enzymes	GPB, glycogen phosphorylase	1a8i	0.00
Kinases	CDK2, cyclindependent kinase 2	1ckp	0.00
Nuclear Hormone Receptors	AR, androgen receptor	1xq2	0.00
Nuclear Hormone Receptors	GR, glucocorticoid receptor	1m2z	0.00
Other Enzymes	SAHH, S-adenosyl-homocysteine hydrolase	1a7a	0.00
Other Enzymes	HIVPR, HIV protease	1hpx	0.00
Other Enzymes	COX-2, cyclooxygenase-2	1cx2	0.00
Serine Proteases	Thrombin	1ba8	0.00
Kinases	TK, thymidine kinase	1kim	0.00
Other Enzymes	NA, neuraminidase	1a4g	0.00
Metalloenzymes	PDE5, phosphodiesterase 5	1xp0	0.00
Metalloenzymes	ADA, adenosine deaminase	1stw	0.00
Folate Enzymes	GART, glycinamide ribonucleotide transformylase	1c2t	0.00
Kinases	P38 MAP, P38 mitogen activated protein	1kv2	0.00
Serine Proteases	Trypsin	1bju	0.00
Other Enzymes	PARP, poly(ADP-ribose) polymerase	1efy	0.00
Other Enzymes	InhA, enoyl ACP reductase	1p44	0.00
Kinases	EGFr, epidermal growth factor receptor	1m17	0.00
Other Enzymes	ALR2, aldose reductase	1ah3	0.00
Other Enzymes	AChE, acetylcholinesterase	1eve	0.00

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dichlorofluorescein

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dichlorofluorescein

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