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CAS Number: 137443-18-6
SMILES : C=CCSSSSSSCC=C
CHEM :
MOL FOR: C6 H10 S6
MOL WT : 274.51
------------------------------ 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) = 3.56
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 369.78 (Adapted Stein & Brown method)
Melting Pt (deg C): 94.68 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 9.43E-006 (Modified Grain method)
VP (Pa, 25 deg C) : 0.00126 (Modified Grain method)
Subcooled liquid VP: 4.46E-005 mm Hg (25 deg C, Mod-Grain method)
: 0.00594 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 15.55
log Kow used: 3.56 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 25.501 mg/L
ECOSAR Class Program (ECOSAR v1.11):
Class(es) found:
Neutral Organics
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 1.19E-002 atm-m3/mole (1.20E+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: 2.190E-007 atm-m3/mole (2.219E-002 Pa-m3/mole)
VP: 9.43E-006 mm Hg (source: MPBPVP)
WS: 15.6 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 3.56 (KowWin est)
Log Kaw used: -0.313 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 3.873
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.6169
Biowin2 (Non-Linear Model) : 0.2913
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.5925 (weeks-months)
Biowin4 (Primary Survey Model) : 3.4517 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.0314
Biowin6 (MITI Non-Linear Model): 0.0125
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.4469
Ready Biodegradability Prediction: NO
Hydrocarbon Biodegradation (BioHCwin v1.01):
LOG BioHC Half-Life (days) : 0.9811
BioHC Half-Life (days) : 9.5749
Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
Vapor pressure (liquid/subcooled): 0.00595 Pa (4.46E-005 mm Hg)
Log Koa (Koawin est ): 3.873
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 0.000504
Octanol/air (Koa) model: 1.83E-009
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.0179
Mackay model : 0.0388
Octanol/air (Koa) model: 1.47E-007
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 967.1704 E-12 cm3/molecule-sec
Half-Life = 0.011 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 7.963 Min
Ozone Reaction:
OVERALL Ozone Rate Constant = 2.400000 E-17 cm3/molecule-sec
Half-Life = 0.477 Days (at 7E11 mol/cm3)
Half-Life = 11.460 Hrs
Fraction sorbed to airborne particulates (phi):
0.0283 (Junge-Pankow, Mackay avg)
1.47E-007 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 4818 L/kg (MCI method)
Log Koc: 3.683 (MCI method)
Koc : 1228 L/kg (Kow method)
Log Koc: 3.089 (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 = 0.679 (BCF = 4.772 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -0.5039 days (HL = 0.3134 days)
Log BCF Arnot-Gobas method (upper trophic) = 1.994 (BCF = 98.53)
Log BAF Arnot-Gobas method (upper trophic) = 1.994 (BAF = 98.53)
log Kow used: 3.56 (estimated)
Volatilization from Water:
Henry LC: 0.0119 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 1.772 hours
Half-Life from Model Lake : 158.3 hours (6.594 days)
Removal In Wastewater Treatment:
Total removal: 83.54 percent
Total biodegradation: 0.07 percent
Total sludge adsorption: 8.98 percent
Total to Air: 74.49 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 0.0506 0.259 1000
Water 15.3 900 1000
Soil 80.3 1.8e+003 1000
Sediment 4.27 8.1e+003 0
Persistence Time: 515 hr