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CAS Number: 14252-44-9

SMILES : S(C)C(SC)c1ccccc1

CHEM :

MOL FOR: C9 H12 S2

MOL WT : 184.32

------------------------------ EPI SUMMARY (v4.10) --------------------------

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) = 3.43

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

Boiling Pt (deg C): 267.00 (Adapted Stein & Brown method)

Melting Pt (deg C): 20.24 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 0.0109 (Mean VP of Antoine & Grain methods)

VP (Pa, 25 deg C) : 1.45 (Mean VP of Antoine & Grain methods)

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

Water Solubility at 25 deg C (mg/L): 61.37

log Kow used: 3.43 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 84.318 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:

Neutral Organics

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

Bond Method : 6.77E-007 atm-m3/mole (6.86E-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: 4.308E-005 atm-m3/mole (4.365E+000 Pa-m3/mole)

VP: 0.0109 mm Hg (source: MPBPVP)

WS: 61.4 mg/L (source: WSKOWWIN)

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

Log Kow used: 3.43 (KowWin est)

Log Kaw used: -4.558 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 7.988

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.7879

Biowin2 (Non-Linear Model) : 0.8994

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 2.8139 (weeks )

Biowin4 (Primary Survey Model) : 3.5867 (days-weeks )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.1960

Biowin6 (MITI Non-Linear Model): 0.1309

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.4511

Ready Biodegradability Prediction: NO

Hydrocarbon Biodegradation (BioHCwin v1.01):

LOG BioHC Half-Life (days) : 1.1598

BioHC Half-Life (days) : 14.4492

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

Vapor pressure (liquid/subcooled): 1.48 Pa (0.0111 mm Hg)

Log Koa (Koawin est ): 7.988

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

Mackay model : 2.03E-006

Octanol/air (Koa) model: 2.39E-005

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 7.32E-005

Mackay model : 0.000162

Octanol/air (Koa) model: 0.00191

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 128.1772 E-12 cm3/molecule-sec

Half-Life = 0.083 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 1.001 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Reaction With Nitrate Radicals May Be Important!

Fraction sorbed to airborne particulates (phi):

0.000118 (Junge-Pankow, Mackay avg)

0.00191 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 2539 L/kg (MCI method)

Log Koc: 3.405 (MCI method)

Koc : 947.3 L/kg (Kow method)

Log Koc: 2.976 (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 = 1.932 (BCF = 85.53 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -0.6264 days (HL = 0.2364 days)

Log BCF Arnot-Gobas method (upper trophic) = 1.867 (BCF = 73.69)

Log BAF Arnot-Gobas method (upper trophic) = 1.867 (BAF = 73.69)

log Kow used: 3.43 (estimated)

Volatilization from Water:

Henry LC: 6.77E-007 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 1176 hours (48.98 days)

Half-Life from Model Lake : 1.294E+004 hours (539.1 days)

Removal In Wastewater Treatment:

Total removal: 11.57 percent

Total biodegradation: 0.17 percent

Total sludge adsorption: 11.36 percent

Total to Air: 0.03 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 0.197 2 1000

Water 24.1 360 1000

Soil 73.7 720 1000

Sediment 1.96 3.24e+003 0

Persistence Time: 472 hr

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