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CAS Number: 54812-86-1

SMILES : CC(C(C)S)O

CHEM : 3-sulfanylbutan-2-ol

MOL FOR: C4 H10 O1 S1

MOL WT : 106.18

------------------------------ 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) = 0.64

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

Boiling Pt (deg C): 157.73 (Adapted Stein & Brown method)

Melting Pt (deg C): -46.30 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 0.874 (Mean VP of Antoine & Grain methods)

VP (Pa, 25 deg C) : 117 (Mean VP of Antoine & Grain methods)

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

Water Solubility at 25 deg C (mg/L): 3.195e+004

log Kow used: 0.64 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 61623 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:

Thiols and Mercaptans

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

Bond Method : 2.24E-007 atm-m3/mole (2.27E-002 Pa-m3/mole)

Group Method: Incomplete

For Henry LC Comparison Purposes:

User-Entered Henry LC: not entered

Henrys LC [via VP/WSol estimate using User-Entered or Estimated values]:

HLC: 3.822E-006 atm-m3/mole (3.872E-001 Pa-m3/mole)

VP: 0.874 mm Hg (source: MPBPVP)

WS: 3.2E+004 mg/L (source: WSKOWWIN)

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

Log Kow used: 0.64 (KowWin est)

Log Kaw used: -5.038 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 5.678

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.8557

Biowin2 (Non-Linear Model) : 0.9321

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 3.1245 (weeks )

Biowin4 (Primary Survey Model) : 3.8240 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.4569

Biowin6 (MITI Non-Linear Model): 0.5754

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.4780

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): 104 Pa (0.781 mm Hg)

Log Koa (Koawin est ): 5.678

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

Mackay model : 2.88E-008

Octanol/air (Koa) model: 1.17E-007

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 1.04E-006

Mackay model : 2.3E-006

Octanol/air (Koa) model: 9.36E-006

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 59.9386 E-12 cm3/molecule-sec

Half-Life = 0.178 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 2.141 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Fraction sorbed to airborne particulates (phi):

1.67E-006 (Junge-Pankow, Mackay avg)

9.36E-006 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 4.566 L/kg (MCI method)

Log Koc: 0.660 (MCI method)

Koc : 7.373 L/kg (Kow method)

Log Koc: 0.868 (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) = -1.5672 days (HL = 0.02709 days)

Log BCF Arnot-Gobas method (upper trophic) = 0.053 (BCF = 1.13)

Log BAF Arnot-Gobas method (upper trophic) = 0.053 (BAF = 1.13)

log Kow used: 0.64 (estimated)

Volatilization from Water:

Henry LC: 2.24E-007 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 2694 hours (112.3 days)

Half-Life from Model Lake : 2.948E+004 hours (1228 days)

Removal In Wastewater Treatment:

Total removal: 1.88 percent

Total biodegradation: 0.09 percent

Total sludge adsorption: 1.77 percent

Total to Air: 0.01 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 0.518 4.28 1000

Water 42.7 360 1000

Soil 56.7 720 1000

Sediment 0.0863 3.24e+003 0

Persistence Time: 373 hr

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