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CAS Number: 92900-67-9
SMILES : CC(C)CC1SC(CC(C)C)SS1
CHEM : 3,5-bis(2-methylpropyl)-1,2,4-trithiolane
MOL FOR: C10 H20 S3
MOL WT : 236.45
------------------------------ 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) = 4.99
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 294.62 (Adapted Stein & Brown method)
Melting Pt (deg C): 85.01 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.000691 (Modified Grain method)
VP (Pa, 25 deg C) : 0.0921 (Modified Grain method)
Subcooled liquid VP: 0.0026 mm Hg (25 deg C, Mod-Grain method)
: 0.346 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 1.534
log Kow used: 4.99 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 0.84591 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Neutral Organics
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 4.15E-005 atm-m3/mole (4.20E+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: 1.401E-004 atm-m3/mole (1.420E+001 Pa-m3/mole)
VP: 0.000691 mm Hg (source: MPBPVP)
WS: 1.53 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 4.99 (KowWin est)
Log Kaw used: -2.770 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 7.760
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.6350
Biowin2 (Non-Linear Model) : 0.4136
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.6766 (weeks-months)
Biowin4 (Primary Survey Model) : 3.5066 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.0327
Biowin6 (MITI Non-Linear Model): 0.0214
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.3170
Ready Biodegradability Prediction: NO
Hydrocarbon Biodegradation (BioHCwin v1.01):
LOG BioHC Half-Life (days) : 1.6514
BioHC Half-Life (days) : 44.8166
Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
Vapor pressure (liquid/subcooled): 0.347 Pa (0.0026 mm Hg)
Log Koa (Koawin est ): 7.760
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 8.65E-006
Octanol/air (Koa) model: 1.41E-005
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.000312
Mackay model : 0.000692
Octanol/air (Koa) model: 0.00113
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 420.7935 E-12 cm3/molecule-sec
Half-Life = 0.025 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 18.301 Min
Ozone Reaction:
No Ozone Reaction Estimation
Reaction With Nitrate Radicals May Be Important!
Fraction sorbed to airborne particulates (phi):
0.000502 (Junge-Pankow, Mackay avg)
0.00113 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 5847 L/kg (MCI method)
Log Koc: 3.767 (MCI method)
Koc : 2.14E+004 L/kg (Kow method)
Log Koc: 4.330 (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 = 2.960 (BCF = 912.4 L/kg wet-wt)
Log Biotransformation Half-life (HL) = 0.0621 days (HL = 1.154 days)
Log BCF Arnot-Gobas method (upper trophic) = 2.659 (BCF = 455.8)
Log BAF Arnot-Gobas method (upper trophic) = 2.662 (BAF = 458.9)
log Kow used: 4.99 (estimated)
Volatilization from Water:
Henry LC: 4.15E-005 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 23.26 hours
Half-Life from Model Lake : 382.7 hours (15.95 days)
Removal In Wastewater Treatment:
Total removal: 77.55 percent
Total biodegradation: 0.67 percent
Total sludge adsorption: 76.48 percent
Total to Air: 0.40 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 0.0319 0.61 1000
Water 14.5 900 1000
Soil 80.5 1.8e+003 1000
Sediment 4.89 8.1e+003 0
Persistence Time: 1.07e+003 hr