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 Num: 006028-61-1
SMILES : S(SSCCC)CCC
CHEM : Trisulfide, dipropyl
MOL FOR: C6 H14 S3
MOL WT : 182.36
------------------------------ 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) = 3.84
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):
Boiling Pt (deg C): 253.72 (Adapted Stein & Brown method)
Melting Pt (deg C): 10.95 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.0223 (Mean VP of Antoine & Grain methods)
VP (Pa, 25 deg C) : 2.97 (Mean VP of Antoine & Grain methods)
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 28.31
log Kow used: 3.84 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 31.412 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Neutral Organics
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 5.82E-003 atm-m3/mole (5.89E+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: 1.890E-004 atm-m3/mole (1.915E+001 Pa-m3/mole)
VP: 0.0223 mm Hg (source: MPBPVP)
WS: 28.3 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 3.84 (KowWin est)
Log Kaw used: -0.624 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 4.464
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.6607
Biowin2 (Non-Linear Model) : 0.6033
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.7962 (weeks )
Biowin4 (Primary Survey Model) : 3.5846 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.3681
Biowin6 (MITI Non-Linear Model): 0.2725
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.7809
Ready Biodegradability Prediction: NO
Hydrocarbon Biodegradation (BioHCwin v1.01):
LOG BioHC Half-Life (days) : 0.7608
BioHC Half-Life (days) : 5.7651
Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
Vapor pressure (liquid/subcooled): 2.93 Pa (0.022 mm Hg)
Log Koa (Koawin est ): 4.464
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 1.02E-006
Octanol/air (Koa) model: 7.14E-009
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 3.69E-005
Mackay model : 8.18E-005
Octanol/air (Koa) model: 5.72E-007
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 470.5538 E-12 cm3/molecule-sec
Half-Life = 0.023 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 16.366 Min
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
5.94E-005 (Junge-Pankow, Mackay avg)
5.72E-007 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 796 L/kg (MCI method)
Log Koc: 2.901 (MCI method)
Koc : 2149 L/kg (Kow method)
Log Koc: 3.332 (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 = 0.859 (BCF = 7.223 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -0.2383 days (HL = 0.5778 days)
Log BCF Arnot-Gobas method (upper trophic) = 2.262 (BCF = 182.7)
Log BAF Arnot-Gobas method (upper trophic) = 2.262 (BAF = 182.7)
log Kow used: 3.84 (estimated)
Volatilization from Water:
Henry LC: 0.00582 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 1.514 hours
Half-Life from Model Lake : 129.7 hours (5.406 days)
Removal In Wastewater Treatment:
Total removal: 73.99 percent
Total biodegradation: 0.12 percent
Total sludge adsorption: 16.41 percent
Total to Air: 57.45 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 0.241 0.546 1000
Water 29 360 1000
Soil 69.9 720 1000
Sediment 0.842 3.24e+003 0
Persistence Time: 217 hr