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CAS Number: 81569-44-0
SMILES : Cc1c(scn1)C(=O)OC
CHEM :
MOL FOR: C6 H7 N1 O2 S1
MOL WT : 157.19
------------------------------ 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) = 1.38
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 233.60 (Adapted Stein & Brown method)
Melting Pt (deg C): 46.36 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.0392 (Modified Grain method)
VP (Pa, 25 deg C) : 5.23 (Modified Grain method)
Subcooled liquid VP: 0.0614 mm Hg (25 deg C, Mod-Grain method)
: 8.19 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 4714
log Kow used: 1.38 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 21883 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Esters
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 2.72E-008 atm-m3/mole (2.76E-003 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: 1.720E-006 atm-m3/mole (1.743E-001 Pa-m3/mole)
VP: 0.0392 mm Hg (source: MPBPVP)
WS: 4.71E+003 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 1.38 (KowWin est)
Log Kaw used: -5.954 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 7.334
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.9016
Biowin2 (Non-Linear Model) : 0.9957
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.9172 (weeks )
Biowin4 (Primary Survey Model) : 3.7814 (days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.6383
Biowin6 (MITI Non-Linear Model): 0.7070
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.4612
Ready Biodegradability Prediction: YES
Hydrocarbon Biodegradation (BioHCwin v1.01):
Structure incompatible with current estimation method!
Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
Vapor pressure (liquid/subcooled): 8.19 Pa (0.0614 mm Hg)
Log Koa (Koawin est ): 7.334
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 3.66E-007
Octanol/air (Koa) model: 5.3E-006
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 1.32E-005
Mackay model : 2.93E-005
Octanol/air (Koa) model: 0.000424
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 0.9050 E-12 cm3/molecule-sec
Half-Life = 11.819 Days (12-hr day; 1.5E6 OH/cm3)
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
2.13E-005 (Junge-Pankow, Mackay avg)
0.000424 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 60.35 L/kg (MCI method)
Log Koc: 1.781 (MCI method)
Koc : 41.96 L/kg (Kow method)
Log Koc: 1.623 (Kow method)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Total Kb for pH > 8 at 25 deg C : 3.998E-002 L/mol-sec
Kb Half-Life at pH 8: 200.670 days
Kb Half-Life at pH 7: 5.494 years
(Total Kb applies only to esters, carbmates, alkyl halides)
Bioaccumulation Estimates (BCFBAF v3.01):
Log BCF from regression-based method = 0.575 (BCF = 3.755 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -2.1163 days (HL = 0.00765 days)
Log BCF Arnot-Gobas method (upper trophic) = 0.145 (BCF = 1.397)
Log BAF Arnot-Gobas method (upper trophic) = 0.145 (BAF = 1.397)
log Kow used: 1.38 (estimated)
Volatilization from Water:
Henry LC: 2.72E-008 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 2.699E+004 hours (1125 days)
Half-Life from Model Lake : 2.945E+005 hours (1.227E+004 days)
Removal In Wastewater Treatment:
Total removal: 1.94 percent
Total biodegradation: 0.09 percent
Total sludge adsorption: 1.85 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 0.462 284 1000
Water 21.7 360 1000
Soil 77.7 720 1000
Sediment 0.0934 3.24e+003 0
Persistence Time: 694 hr