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CAS Number: 94944-48-6

SMILES : CCSSC(C)SCC

CHEM :

MOL FOR: C6 H14 S3

MOL WT : 182.36

------------------------------ EPI SUMMARY (v4.11) --------------------------

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 v1.68 estimate) = 3.36

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

Boiling Pt (deg C): 243.13 (Adapted Stein & Brown method)

Melting Pt (deg C): 0.36 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 0.0392 (Mean VP of Antoine & Grain methods)

VP (Pa, 25 deg C) : 5.23 (Mean VP of Antoine & Grain methods)

Water Solubility Estimate from Log Kow (WSKOW v1.42):

Water Solubility at 25 deg C (mg/L): 72.47

log Kow used: 3.36 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 52.644 mg/L

ECOSAR Class Program (ECOSAR v1.11):

Class(es) found:

Neutral Organics

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

Bond Method : 3.03E-005 atm-m3/mole (3.07E+000 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: 1.298E-004 atm-m3/mole (1.315E+001 Pa-m3/mole)

VP: 0.0392 mm Hg (source: MPBPVP)

WS: 72.5 mg/L (source: WSKOWWIN)

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

Log Kow used: 3.36 (KowWin est)

Log Kaw used: -2.907 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 6.267

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.6607

Biowin2 (Non-Linear Model) : 0.6033

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 2.7962 (weeks )

Biowin4 (Primary Survey Model) : 3.5846 (days-weeks )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.2190

Biowin6 (MITI Non-Linear Model): 0.1277

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.4835

Ready Biodegradability Prediction: NO

Hydrocarbon Biodegradation (BioHCwin v1.01):

LOG BioHC Half-Life (days) : 0.8221

BioHC Half-Life (days) : 6.6390

Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:

Vapor pressure (liquid/subcooled): 5.04 Pa (0.0378 mm Hg)

Log Koa (Koawin est ): 6.267

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

Mackay model : 5.95E-007

Octanol/air (Koa) model: 4.54E-007

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 2.15E-005

Mackay model : 4.76E-005

Octanol/air (Koa) model: 3.63E-005

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 359.8018 E-12 cm3/molecule-sec

Half-Life = 0.030 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 21.404 Min

Ozone Reaction:

No Ozone Reaction Estimation

Reaction With Nitrate Radicals May Be Important!

Fraction sorbed to airborne particulates (phi):

3.46E-005 (Junge-Pankow, Mackay avg)

3.63E-005 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 700.8 L/kg (MCI method)

Log Koc: 2.846 (MCI method)

Koc : 823.7 L/kg (Kow method)

Log Koc: 2.916 (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 v3.01):

Log BCF from regression-based method = 0.543 (BCF = 3.494 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -0.3797 days (HL = 0.4172 days)

Log BCF Arnot-Gobas method (upper trophic) = 2.005 (BCF = 101.3)

Log BAF Arnot-Gobas method (upper trophic) = 2.005 (BAF = 101.3)

log Kow used: 3.36 (estimated)

Volatilization from Water:

Henry LC: 3.03E-005 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 27.47 hours (1.145 days)

Half-Life from Model Lake : 412.9 hours (17.21 days)

Removal In Wastewater Treatment:

Total removal: 11.62 percent

Total biodegradation: 0.16 percent

Total sludge adsorption: 9.98 percent

Total to Air: 1.49 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 0.0835 0.714 1000

Water 23.6 360 1000

Soil 75.7 720 1000

Sediment 0.616 3.24e+003 0

Persistence Time: 446 hr

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