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CAS Number: 1113-13-9
SMILES : CCCSS(=O)(=O)CCC
CHEM : 1-propylsulfonylsulfanylpropane
MOL FOR: C6 H14 O2 S2
MOL WT : 182.30
------------------------------ EPI SUMMARY (v4.00) --------------------------
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 v1.67 estimate) = 2.26
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 276.28 (Adapted Stein & Brown method)
Melting Pt (deg C): 58.14 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.00335 (Modified Grain method)
VP (Pa, 25 deg C) : 0.447 (Modified Grain method)
Subcooled liquid VP: 0.00681 mm Hg (25 deg C, Mod-Grain method)
: 0.908 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 631.9
log Kow used: 2.26 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 15149 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Neutral Organics
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 2.99E-005 atm-m3/mole (3.03E+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: 1.272E-006 atm-m3/mole (1.289E-001 Pa-m3/mole)
VP: 0.00335 mm Hg (source: MPBPVP)
WS: 632 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 2.26 (KowWin est)
Log Kaw used: -2.913 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 5.173
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.6608
Biowin2 (Non-Linear Model) : 0.6035
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.7963 (weeks )
Biowin4 (Primary Survey Model) : 3.5847 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.3683
Biowin6 (MITI Non-Linear Model): 0.2729
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.7809
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): 0.908 Pa (0.00681 mm Hg)
Log Koa (Koawin est ): 5.173
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 3.3E-006
Octanol/air (Koa) model: 3.66E-008
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.000119
Mackay model : 0.000264
Octanol/air (Koa) model: 2.92E-006
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 245.5538 E-12 cm3/molecule-sec
Half-Life = 0.044 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 0.523 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
0.000192 (Junge-Pankow, Mackay avg)
2.92E-006 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 51.39 L/kg (MCI method)
Log Koc: 1.711 (MCI method)
Koc : 217.1 L/kg (Kow method)
Log Koc: 2.337 (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 v3.00):
Log BCF from regression-based method = 1.157 (BCF = 14.37 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -0.7234 days (HL = 0.1891 days)
Log BCF Arnot-Gobas method (upper trophic) = 1.177 (BCF = 15.03)
Log BAF Arnot-Gobas method (upper trophic) = 1.177 (BAF = 15.03)
log Kow used: 2.26 (estimated)
Volatilization from Water:
Henry LC: 2.99E-005 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 27.82 hours (1.159 days)
Half-Life from Model Lake : 416.7 hours (17.36 days)
Removal In Wastewater Treatment:
Total removal: 4.14 percent
Total biodegradation: 0.10 percent
Total sludge adsorption: 2.44 percent
Total to Air: 1.60 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 0.151 1.05 1000
Water 30.4 360 1000
Soil 69.3 720 1000
Sediment 0.12 3.24e+003 0
Persistence Time: 389 hr