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CAS Num: 003600-24-6
SMILES : S(SSCC)CC
CHEM : Trisulfide, diethyl
MOL FOR: C4 H10 S3
MOL WT : 154.30
------------------------------ EPI SUMMARY (v4.00) --------------------------
Physical Property Inputs:
Water Solubility (mg/L): ------
Vapor Pressure (mm Hg) : ------
Henry LC (atm-m3/mole) : ------
Log Kow (octanol-water): ------
Boiling Point (deg C) : ------
Melting Point (deg C) : ------
Log Octanol-Water Partition Coef (SRC):
Log Kow (KOWWIN v1.67 estimate) = 2.86
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):
Boiling Pt (deg C): 217.31 (Adapted Stein & Brown method)
Melting Pt (deg C): -10.95 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.15 (Mean VP of Antoine & Grain methods)
VP (Pa, 25 deg C) : 20.1 (Mean VP of Antoine & Grain methods)
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 264.5
log Kow used: 2.86 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 315.2 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Neutral Organics
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 3.30E-003 atm-m3/mole (3.34E+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: 1.151E-004 atm-m3/mole (1.167E+001 Pa-m3/mole)
VP: 0.15 mm Hg (source: MPBPVP)
WS: 265 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 2.86 (KowWin est)
Log Kaw used: -0.870 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 3.730
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.6741
Biowin2 (Non-Linear Model) : 0.6937
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.8582 (weeks )
Biowin4 (Primary Survey Model) : 3.6251 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.3527
Biowin6 (MITI Non-Linear Model): 0.2629
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.7289
Ready Biodegradability Prediction: NO
Hydrocarbon Biodegradation (BioHCwin v1.01):
LOG BioHC Half-Life (days) : 0.6280
BioHC Half-Life (days) : 4.2462
Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
Vapor pressure (liquid/subcooled): 18.7 Pa (0.14 mm Hg)
Log Koa (Koawin est ): 3.730
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 1.61E-007
Octanol/air (Koa) model: 1.32E-009
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 5.8E-006
Mackay model : 1.29E-005
Octanol/air (Koa) model: 1.05E-007
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 464.9050 E-12 cm3/molecule-sec
Half-Life = 0.023 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 16.565 Min
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
9.33E-006 (Junge-Pankow, Mackay avg)
1.05E-007 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 239.7 L/kg (MCI method)
Log Koc: 2.380 (MCI method)
Koc : 303.2 L/kg (Kow method)
Log Koc: 2.482 (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 = 0.211 (BCF = 1.624 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -0.5166 days (HL = 0.3044 days)
Log BCF Arnot-Gobas method (upper trophic) = 1.670 (BCF = 46.72)
Log BAF Arnot-Gobas method (upper trophic) = 1.670 (BAF = 46.72)
log Kow used: 2.86 (estimated)
Volatilization from Water:
Henry LC: 0.0033 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 1.488 hours
Half-Life from Model Lake : 120.4 hours (5.016 days)
Removal In Wastewater Treatment:
Total removal: 58.02 percent
Total biodegradation: 0.06 percent
Total sludge adsorption: 3.06 percent
Total to Air: 54.90 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 0.333 0.552 1000
Water 38 360 1000
Soil 61.2 720 1000
Sediment 0.416 3.24e+003 0
Persistence Time: 169 hr