CAS Num: 000099-50-3
SMILES : OC(=O)c1ccc(O)c(O)c1
CHEM   : 3,4-Dihydroxybenzoic acid
MOL FOR: C7 H6 O4 
MOL WT : 154.12
------------------------------ EPI SUMMARY (v4.00) --------------------------
 Physical Property Inputs:
    Water Solubility (mg/L):   ------
    Vapor Pressure (mm Hg) :   ------
    Henry LC (atm-m3/mole) :   ------
    Log Kow (octanol-water):   ------
    Boiling Point (deg C)  :   ------
    Melting Point (deg C)  :   ------

 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  0.91
    Log Kow (Exper. database match) =  0.86
       Exper. Ref:  HANSCH,C ET AL. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):
    Boiling Pt (deg C):  338.41  (Adapted Stein & Brown method)
    Melting Pt (deg C):  128.34  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.82E-007  (Modified Grain method)
    VP (Pa, 25 deg C) :  2.42E-005  (Modified Grain method)
    MP  (exp database):  221 dec deg C
    Subcooled liquid VP: 2.26E-005 mm Hg (25 deg C, Mod-Grain method)
                       : 0.00302 Pa (25 deg C, Mod-Grain method)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  5.098e+004
       log Kow used: 0.86 (expkow database)
       no-melting pt equation used
     Water Sol (Exper. database match) =  1.82e+004 mg/L (14 deg C)
        Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  31417 mg/L

 ECOSAR Class Program (ECOSAR v1.00):
    Class(es) found:
       Phenols, Poly -acid

 Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
   Bond Method :   1.17E-015  atm-m3/mole  (1.19E-010 Pa-m3/mole)
   Group Method:   6.89E-016  atm-m3/mole  (6.99E-011 Pa-m3/mole)
 For Henry LC Comparison Purposes:
   User-Entered Henry LC:  not entered
   Henrys LC [via VP/WSol estimate using User-Entered or Estimated values]:
      HLC:  7.240E-013 atm-m3/mole  (7.336E-008 Pa-m3/mole)
      VP:   1.82E-007 mm Hg (source: MPBPVP)
      WS:   5.1E+004 mg/L (source: WSKOWWIN)

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.86  (exp database)
  Log Kaw used:  -13.320  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  14.180
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.0827
   Biowin2 (Non-Linear Model)     :   0.9937
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0592  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7125  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.7837
   Biowin6 (MITI Non-Linear Model):   0.8651
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.9768
 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):  0.00301 Pa (2.26E-005 mm Hg)
  Log Koa (Koawin est  ): 14.180
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.000996 
       Octanol/air (Koa) model:  37.2 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0347 
       Mackay model           :  0.0738 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   9.2953 E-12 cm3/molecule-sec
      Half-Life =     1.151 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    13.808 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi):
      0.0542 (Junge-Pankow, Mackay avg)
      1 (Koa method)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (KOCWIN v2.00):
      Koc    :  27.87  L/kg (MCI method)
      Log Koc:  1.445       (MCI method)
      Koc    :  9.228  L/kg (Kow method)
      Log Koc:  0.965       (Kow method)

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
    Rate constants can NOT be estimated for this structure!

 Bioaccumulation Estimates (BCFBAF v3.00):
   Log BCF from regression-based method = 0.500 (BCF = 3.162 L/kg wet-wt)
   Log Biotransformation Half-life (HL) = -2.2421 days (HL = 0.005727 days)
   Log BCF Arnot-Gobas method (upper trophic) = 0.013 (BCF = 1.029)
   Log BAF Arnot-Gobas method (upper trophic) = 0.013 (BAF = 1.029)
       log Kow used: 0.86 (expkow database)

 Volatilization from Water:
    Henry LC:  6.89E-016 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River: 1.055E+012  hours   (4.396E+010 days)
    Half-Life from Model Lake : 1.151E+013  hours   (4.795E+011 days)

 Removal In Wastewater Treatment:
    Total removal:               1.88  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.78  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       2e-008          27.6         1000       
   Water     24.8            360          1000       
   Soil      75.1            720          1000       
   Sediment  0.0742          3.24e+003    0          
     Persistence Time: 690 hr