ChemSpider 2D Image | 7-Chloro-6-hydroxy-2',4-dimethoxy-6'-methyl-3H,4'H-spiro[1-benzofuran-2,1'-cyclohex[2]ene]-3,4'-dione | C16H15ClO6

7-Chloro-6-hydroxy-2',4-dimethoxy-6'-methyl-3H,4'H-spiro[1-benzofuran-2,1'-cyclohex[2]ene]-3,4'-dione

  • Molecular FormulaC16H15ClO6
  • Average mass338.740 Da
  • Monoisotopic mass338.055725 Da
  • ChemSpider ID141692

More details:

Validated by Experts, Validated by Users, Non-Validated, Removed by Users

20168-89-2 [RN]
7-Chloro-6-hydroxy-2',4-dimethoxy-6'-methyl-3H,4'H-spiro[1-benzofuran-2,1'-cyclohex[2]ene]-3,4'-dione [ACD/IUPAC Name]
Spiro[benzofuran-2(3H),1'-cyclohex[2]ene]-3,4'-dione, 7-chloro-6-hydroxy-2',4-dimethoxy-6'-methyl- [ACD/Index Name]
(1'S-trans)-7-Chloro-6-hydroxy-2',4-dimethoxy-6'-methylspiro(benzofuran-2(3H),1'-(2)cyclohexen e)-3,4'-dione
20168-88-1 [RN]
6-Demethylgriseofulvin
6-Desmethylgriseofulvin
6-O-Demethyl Griseofulvin
7-chloro-6-hydroxy-2',4-dimethoxy-6'-methylspiro[1-benzofuran-2,1'-cyclohexan]-2'-ene-3,4'-dione
Spiro[benzofuran-2(3H),1'-[2]cyclohexene]-3,4'-dione, 7-chloro-6-hydroxy-2',4-dimethoxy-6'-methyl-, (1'S-trans)-

Validated by Experts, Validated by Users, Non-Validated, Removed by Users

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

Density: 1.5±0.1 g/cm3
Boiling Point: 600.8±55.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.8 mmHg at 25°C
Enthalpy of Vaporization: 92.7±3.0 kJ/mol
Flash Point: 317.1±31.5 °C
Index of Refraction: 1.616
Molar Refractivity: 80.4±0.4 cm3
#H bond acceptors: 6
#H bond donors: 1
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: 3.70
ACD/LogD (pH 5.5): 2.63
ACD/BCF (pH 5.5): 47.22
ACD/KOC (pH 5.5): 421.20
ACD/LogD (pH 7.4): 0.98
ACD/BCF (pH 7.4): 1.05
ACD/KOC (pH 7.4): 9.40
Polar Surface Area: 82 Å2
Polarizability: 31.9±0.5 10-24cm3
Surface Tension: 61.1±5.0 dyne/cm
Molar Volume: 230.2±5.0 cm3

Predicted data is generated using the US Environmental Protection Agency�s EPISuite™ 

                        
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  1.36

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  460.84  (Adapted Stein & Brown method)
    Melting Pt (deg C):  194.31  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  6.91E-010  (Modified Grain method)
    Subcooled liquid VP: 4.16E-008 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):  1897
       log Kow used: 1.36 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  3672.7 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Phenols
       Vinyl/Allyl Ketones
       Vinyl/Allyl Ethers

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.50E-016  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.624E-013 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.36  (KowWin est)
  Log Kaw used:  -13.991  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  15.351
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.2659
   Biowin2 (Non-Linear Model)     :   0.0113
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.9184  (months      )
   Biowin4 (Primary Survey Model) :   3.1800  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5176
   Biowin6 (MITI Non-Linear Model):   0.1124
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.9929
 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):  5.55E-006 Pa (4.16E-008 mm Hg)
  Log Koa (Koawin est  ): 15.351
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.541 
       Octanol/air (Koa) model:  551 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.951 
       Mackay model           :  0.977 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 334.0085 E-12 cm3/molecule-sec
      Half-Life =     0.032 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    23.057 Min
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     0.875000 E-17 cm3/molecule-sec
      Half-Life =     1.310 Days (at 7E11 mol/cm3)
      Half-Life =     31.433 Hrs
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 0.964 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  22.53
      Log Koc:  1.353 

 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 = -0.492 (BCF = 0.3217)
       log Kow used: 1.36 (estimated)

 Volatilization from Water:
    Henry LC:  2.5E-016 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:  4.31E+012  hours   (1.796E+011 days)
    Half-Life from Model Lake : 4.702E+013  hours   (1.959E+012 days)

 Removal In Wastewater Treatment:
    Total removal:               1.94  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.85  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       6.88e-008       0.75         1000       
   Water     37.5            1.44e+003    1000       
   Soil      62.4            2.88e+003    1000       
   Sediment  0.0898          1.3e+004     0          
     Persistence Time: 1.42e+003 hr

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