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CAS Number: 41756-12-1

SMILES : CSCCCCSC(#N)

CHEM :

MOL FOR: C6 H11 N1 S2

MOL WT : 161.28

------------------------------ 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) = 2.29

Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):

Boiling Pt (deg C): 272.96 (Adapted Stein & Brown method)

Melting Pt (deg C): 31.86 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 0.00704 (Modified Grain method)

VP (Pa, 25 deg C) : 0.938 (Modified Grain method)

Subcooled liquid VP: 0.0081 mm Hg (25 deg C, Mod-Grain method)

: 1.08 Pa (25 deg C, Mod-Grain method)

Water Solubility Estimate from Log Kow (WSKOW v1.42):

Water Solubility at 25 deg C (mg/L): 754.2

log Kow used: 2.29 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 505.15 mg/L

ECOSAR Class Program (ECOSAR v1.11):

Class(es) found:

Thiocyanates

Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:

Bond Method : 1.09E-006 atm-m3/mole (1.11E-001 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: 1.981E-006 atm-m3/mole (2.007E-001 Pa-m3/mole)

VP: 0.00704 mm Hg (source: MPBPVP)

WS: 754 mg/L (source: WSKOWWIN)

Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:

Log Kow used: 2.29 (KowWin est)

Log Kaw used: -4.351 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 6.641

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.6708

Biowin2 (Non-Linear Model) : 0.6723

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 2.8428 (weeks )

Biowin4 (Primary Survey Model) : 3.6150 (days-weeks )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.4304

Biowin6 (MITI Non-Linear Model): 0.4030

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.8605

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): 1.08 Pa (0.0081 mm Hg)

Log Koa (Koawin est ): 6.641

Kp (particle/gas partition coef. (m3/ug)):

Mackay model : 2.78E-006

Octanol/air (Koa) model: 1.07E-006

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 0.0001

Mackay model : 0.000222

Octanol/air (Koa) model: 8.59E-005

Atmospheric Oxidation (25 deg C) [AopWin v1.92]:

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 23.5085 E-12 cm3/molecule-sec

Half-Life = 0.455 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 5.460 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Reaction With Nitrate Radicals May Be Important!

Fraction sorbed to airborne particulates (phi):

0.000161 (Junge-Pankow, Mackay avg)

8.59E-005 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 171.1 L/kg (MCI method)

Log Koc: 2.233 (MCI method)

Koc : 383.7 L/kg (Kow method)

Log Koc: 2.584 (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 = 1.175 (BCF = 14.97 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -0.9063 days (HL = 0.1241 days)

Log BCF Arnot-Gobas method (upper trophic) = 1.142 (BCF = 13.87)

Log BAF Arnot-Gobas method (upper trophic) = 1.142 (BAF = 13.87)

log Kow used: 2.29 (estimated)

Volatilization from Water:

Henry LC: 1.09E-006 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 683.4 hours (28.48 days)

Half-Life from Model Lake : 7562 hours (315.1 days)

Removal In Wastewater Treatment:

Total removal: 2.68 percent

Total biodegradation: 0.10 percent

Total sludge adsorption: 2.52 percent

Total to Air: 0.06 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 0.965 10.9 1000

Water 26.3 360 1000

Soil 72.5 720 1000

Sediment 0.224 3.24e+003 0

Persistence Time: 459 hr

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