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CAS Number: 120637-81-2
SMILES : CC1C(C2SC1S2=O)C
CHEM :
MOL FOR: C6 H10 O1 S2
MOL WT : 162.27
------------------------------ 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) = 2.32
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 257.27 (Adapted Stein & Brown method)
Melting Pt (deg C): 55.24 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.00961 (Modified Grain method)
VP (Pa, 25 deg C) : 1.28 (Modified Grain method)
Subcooled liquid VP: 0.0183 mm Hg (25 deg C, Mod-Grain method)
: 2.44 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 702.2
log Kow used: 2.32 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 46790 mg/L
ECOSAR Class Program (ECOSAR v1.11):
Class(es) found:
Neutral Organics
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 2.41E-010 atm-m3/mole (2.44E-005 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: 2.922E-006 atm-m3/mole (2.961E-001 Pa-m3/mole)
VP: 0.00961 mm Hg (source: MPBPVP)
WS: 702 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 2.32 (KowWin est)
Log Kaw used: -8.006 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 10.326
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.6703
Biowin2 (Non-Linear Model) : 0.6692
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.8406 (weeks )
Biowin4 (Primary Survey Model) : 3.6136 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.2800
Biowin6 (MITI Non-Linear Model): 0.0667
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.8347
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): 2.44 Pa (0.0183 mm Hg)
Log Koa (Koawin est ): 10.326
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 1.23E-006
Octanol/air (Koa) model: 0.0052
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 4.44E-005
Mackay model : 9.84E-005
Octanol/air (Koa) model: 0.294
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 97.7389 E-12 cm3/molecule-sec
Half-Life = 0.109 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 1.313 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Reaction With Nitrate Radicals May Be Important!
Fraction sorbed to airborne particulates (phi):
7.14E-005 (Junge-Pankow, Mackay avg)
0.294 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 41.02 L/kg (MCI method)
Log Koc: 1.613 (MCI method)
Koc : 201.1 L/kg (Kow method)
Log Koc: 2.303 (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 = 1.196 (BCF = 15.69 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -0.0529 days (HL = 0.8854 days)
Log BCF Arnot-Gobas method (upper trophic) = 1.328 (BCF = 21.29)
Log BAF Arnot-Gobas method (upper trophic) = 1.328 (BAF = 21.29)
log Kow used: 2.32 (estimated)
Volatilization from Water:
Henry LC: 2.41E-010 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 3.095E+006 hours (1.289E+005 days)
Half-Life from Model Lake : 3.376E+007 hours (1.407E+006 days)
Removal In Wastewater Treatment:
Total removal: 2.68 percent
Total biodegradation: 0.10 percent
Total sludge adsorption: 2.58 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 0.00456 2.63 1000
Water 22.9 360 1000
Soil 77 720 1000
Sediment 0.0809 3.24e+003 0
Persistence Time: 702 hr