SMILES : OCc1ccc(O)cc1
CHEM : p-Hydroxybenzyl alcohol
CAS NUM: 000623-05-2
MOL FOR: C7 H8 O2
MOL WT : 124.14
------------------------------ EPI SUMMARY (v3.20) --------------------------
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) = 0.60
Log Kow (Exper. database match) = 0.25
Exper. Ref: Hansch,C et al. (1995)
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
Boiling Pt (deg C): 260.58 (Adapted Stein & Brown method)
Melting Pt (deg C): 57.14 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.000285 (Modified Grain method)
MP (exp database): 124.5 deg C
BP (exp database): 252 deg C
Subcooled liquid VP: 0.00279 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): 7.289e+005
log Kow used: 0.25 (expkow database)
no-melting pt equation used
Water Sol (Exper. database match) = 6700 mg/L (20 deg C)
Exper. Ref: BEILSTEIN
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 1e+006 mg/L
Wat Sol (Exper. database match) = 6700.00
Exper. Ref: BEILSTEIN
ECOSAR Class Program (ECOSAR v0.99h):
Class(es) found:
Phenols
Benzyl Alcohols
Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
Bond Method : 2.26E-011 atm-m3/mole
Group Method: 5.73E-012 atm-m3/mole
Henrys LC [VP/WSol estimate using EPI values]: 6.387E-011 atm-m3/mole
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 0.25 (exp database)
Log Kaw used: -9.034 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 9.284
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.9630
Biowin2 (Non-Linear Model) : 0.9635
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 3.1412 (weeks )
Biowin4 (Primary Survey Model) : 3.8378 (days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.5454
Biowin6 (MITI Non-Linear Model): 0.6879
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.6605
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): 0.372 Pa (0.00279 mm Hg)
Log Koa (Koawin est ): 9.284
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 8.06E-006
Octanol/air (Koa) model: 0.000472
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.000291
Mackay model : 0.000645
Octanol/air (Koa) model: 0.0364
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 44.1522 E-12 cm3/molecule-sec
Half-Life = 0.242 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 2.907 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Reaction With Nitrate Radicals May Be Important!
Fraction sorbed to airborne particulates (phi): 0.000468 (Junge,Mackay)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (PCKOCWIN v1.66):
Koc : 25.37
Log Koc: 1.404
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 = 0.500 (BCF = 3.162)
log Kow used: 0.25 (expkow database)
Volatilization from Water:
Henry LC: 5.73E-012 atm-m3/mole (estimated by Group SAR Method)
Half-Life from Model River: 1.708E+008 hours (7.115E+006 days)
Half-Life from Model Lake : 1.242E+009 hours (5.175E+007 days)
Removal In Wastewater Treatment:
Total removal: 1.85 percent
Total biodegradation: 0.09 percent
Total sludge adsorption: 1.76 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 0.000134 5.82 1000
Water 38.1 360 1000
Soil 61.9 720 1000
Sediment 0.0708 3.24e+003 0
Persistence Time: 585 hr