This page contains the EPI System Summary only.
For complete control of this information -
Download the free EPI SuiteTM v4.0 program : here
also you can go back to the Datasheet
CAS Number: 31098-20-1
SMILES : C=CC(=O)OCCCS(=O)(=O)O(K)
CHEM :
MOL FOR: C6 H9 O5 S1 K1
MOL WT : 232.29
------------------------------ 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) = -3.65
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 532.15 (Adapted Stein & Brown method)
Melting Pt (deg C): 227.62 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 2.79E-011 (Modified Grain method)
VP (Pa, 25 deg C) : 3.73E-009 (Modified Grain method)
Subcooled liquid VP: 4.18E-009 mm Hg (25 deg C, Mod-Grain method)
: 5.57E-007 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 1e+006
log Kow used: -3.65 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 5450.9 mg/L
ECOSAR Class Program (ECOSAR v1.11):
Class(es) found:
Acrylates-acid
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : Incomplete
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: 8.527E-018 atm-m3/mole (8.640E-013 Pa-m3/mole)
VP: 2.79E-011 mm Hg (source: MPBPVP)
WS: 1E+006 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Can Not Estimate (can not calculate HenryLC)
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.9376
Biowin2 (Non-Linear Model) : 1.0000
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 3.1028 (weeks )
Biowin4 (Primary Survey Model) : 3.9736 (days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.6449
Biowin6 (MITI Non-Linear Model): 0.6769
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.8653
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): 5.57E-007 Pa (4.18E-009 mm Hg)
Log Koa (): not available
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 5.38
Octanol/air (Koa) model: not available
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.995
Mackay model : 0.998
Octanol/air (Koa) model: not available
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 13.6050 E-12 cm3/molecule-sec
Half-Life = 0.786 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 9.434 Hrs
Ozone Reaction:
OVERALL Ozone Rate Constant = 0.175000 E-17 cm3/molecule-sec
Half-Life = 6.549 Days (at 7E11 mol/cm3)
Fraction sorbed to airborne particulates (phi):
0.996 (Junge-Pankow, Mackay avg)
not available (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 10 L/kg (MCI method)
Log Koc: 1.000 (MCI method)
Koc : 0.06928 L/kg (Kow method)
Log Koc: -1.159 (Kow method)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Total Kb for pH > 8 at 25 deg C : 2.071E-002 L/mol-sec
Kb Half-Life at pH 8: 1.061 years
Kb Half-Life at pH 7: 10.607 years
(Total Kb applies only to esters, carbmates, alkyl halides)
Bioaccumulation Estimates (BCFBAF v3.01):
Log BCF from regression-based method = 0.500 (BCF = 3.162 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -2.8888 days (HL = 0.001292 days)
Log BCF Arnot-Gobas method (upper trophic) = -0.049 (BCF = 0.8936)
Log BAF Arnot-Gobas method (upper trophic) = -0.049 (BAF = 0.8936)
log Kow used: -1.50 (estimated)
Volatilization from Water:
Henry LC: 8.53E-018 atm-m3/mole (calculated from VP/WS)
Half-Life from Model River: 1.046E+014 hours (4.36E+012 days)
Half-Life from Model Lake : 1.142E+015 hours (4.756E+013 days)
Removal In Wastewater Treatment:
Total removal: 1.85 percent
Total biodegradation: 0.09 percent
Total sludge adsorption: 1.75 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 5.83e-008 16.8 1000
Water 30.6 360 1000
Soil 69.4 720 1000
Sediment 0.0688 3.24e+003 0
Persistence Time: 640 hr