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CAS Number: 1121-24-0

SMILES : Sc1c(O)cccc1

CHEM : O-MERCAPTOPHENOL

MOL FOR: C6 H6 O1 S1

MOL WT : 126.17

------------------------------ EPI SUMMARY (v4.00) --------------------------

Physical Property Inputs:

Log Kow (octanol-water): ------

Boiling Point (deg C) : ------

Melting Point (deg C) : ------

Vapor Pressure (mm Hg) : ------

Water Solubility (mg/L): ------

Henry LC (atm-m3/mole) : ------

Log Octanol-Water Partition Coef (SRC):

Log Kow (KOWWIN v1.67 estimate) = 2.21

Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):

Boiling Pt (deg C): 235.01 (Adapted Stein & Brown method)

Melting Pt (deg C): 41.19 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 0.0742 (Mean VP of Antoine & Grain methods)

VP (Pa, 25 deg C) : 9.89 (Mean VP of Antoine & Grain methods)

MP (exp database): 5.5 deg C

BP (exp database): 217 deg C

Water Solubility Estimate from Log Kow (WSKOW v1.41):

Water Solubility at 25 deg C (mg/L): 4733

log Kow used: 2.21 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 7320.5 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:

Phenols

Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:

Bond Method : 5.43E-008 atm-m3/mole (5.51E-003 Pa-m3/mole)

Group Method: 4.15E-008 atm-m3/mole (4.21E-003 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: 2.603E-006 atm-m3/mole (2.637E-001 Pa-m3/mole)

VP: 0.0742 mm Hg (source: MPBPVP)

WS: 4.73E+003 mg/L (source: WSKOWWIN)

Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:

Log Kow used: 2.21 (KowWin est)

Log Kaw used: -5.654 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 7.864

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.8033

Biowin2 (Non-Linear Model) : 0.8934

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 2.9767 (weeks )

Biowin4 (Primary Survey Model) : 3.7054 (days-weeks )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.4339

Biowin6 (MITI Non-Linear Model): 0.4631

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.5351

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): 9.12 Pa (0.0684 mm Hg)

Log Koa (Koawin est ): 7.864

Kp (particle/gas partition coef. (m3/ug)):

Mackay model : 3.29E-007

Octanol/air (Koa) model: 1.79E-005

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 1.19E-005

Mackay model : 2.63E-005

Octanol/air (Koa) model: 0.00143

Atmospheric Oxidation (25 deg C) [AopWin v1.92]:

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 18.1204 E-12 cm3/molecule-sec

Half-Life = 0.590 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 7.083 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Reaction With Nitrate Radicals May Be Important!

Fraction sorbed to airborne particulates (phi):

1.91E-005 (Junge-Pankow, Mackay avg)

0.00143 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 306.5 L/kg (MCI method)

Log Koc: 2.486 (MCI method)

Koc : 206.2 L/kg (Kow method)

Log Koc: 2.314 (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 = 1.122 (BCF = 13.25 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -1.0178 days (HL = 0.09599 days)

Log BCF Arnot-Gobas method (upper trophic) = 1.046 (BCF = 11.12)

Log BAF Arnot-Gobas method (upper trophic) = 1.046 (BAF = 11.12)

log Kow used: 2.21 (estimated)

Volatilization from Water:

Henry LC: 4.15E-008 atm-m3/mole (estimated by Group SAR Method)

Half-Life from Model River: 1.585E+004 hours (660.3 days)

Half-Life from Model Lake : 1.73E+005 hours (7208 days)

Removal In Wastewater Treatment:

Total removal: 2.49 percent

Total biodegradation: 0.10 percent

Total sludge adsorption: 2.39 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 0.449 14.2 1000

Water 20.3 360 1000

Soil 79 720 1000

Sediment 0.269 3.24e+003 0

Persistence Time: 618 hr

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