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CAS Number: 3012-37-1
SMILES : c1ccccc1CSC(#N)
CHEM : Benzylthiocyanate
MOL FOR: C8 H7 N1 S1
MOL WT : 149.21
------------------------------ 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) = 2.43
Log Kow (Exper. database match) = 1.99
Exper. Ref: HANSCH,C ET AL. (1995)
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 279.17 (Adapted Stein & Brown method)
Melting Pt (deg C): 40.96 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.0457 (Modified Grain method)
VP (Pa, 25 deg C) : 6.1 (Modified Grain method)
MP (exp database): 43 deg C
BP (exp database): 232 deg C
Subcooled liquid VP: 0.0666 mm Hg (25 deg C, Mod-Grain method)
: 8.88 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 1528
log Kow used: 1.99 (expkow database)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 303.36 mg/L
ECOSAR Class Program (ECOSAR v1.11):
Class(es) found:
Thiocyanates
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 3.54E-006 atm-m3/mole (3.59E-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: 5.872E-006 atm-m3/mole (5.950E-001 Pa-m3/mole)
VP: 0.0457 mm Hg (source: MPBPVP)
WS: 1.53E+003 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 1.99 (exp database)
Log Kaw used: -3.839 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 5.829
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.8046
Biowin2 (Non-Linear Model) : 0.9364
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.8914 (weeks )
Biowin4 (Primary Survey Model) : 3.6374 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.2536
Biowin6 (MITI Non-Linear Model): 0.2132
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.5698
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): 8.88 Pa (0.0666 mm Hg)
Log Koa (Koawin est ): 5.829
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 3.38E-007
Octanol/air (Koa) model: 1.66E-007
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 1.22E-005
Mackay model : 2.7E-005
Octanol/air (Koa) model: 1.32E-005
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 12.1303 E-12 cm3/molecule-sec
Half-Life = 0.882 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 10.581 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
1.96E-005 (Junge-Pankow, Mackay avg)
1.32E-005 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 318.5 L/kg (MCI method)
Log Koc: 2.503 (MCI method)
Koc : 261.8 L/kg (Kow method)
Log Koc: 2.418 (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 = 0.980 (BCF = 9.55 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -1.3436 days (HL = 0.04533 days)
Log BCF Arnot-Gobas method (upper trophic) = 0.770 (BCF = 5.893)
Log BAF Arnot-Gobas method (upper trophic) = 0.770 (BAF = 5.893)
log Kow used: 1.99 (expkow database)
Volatilization from Water:
Henry LC: 3.54E-006 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 203.3 hours (8.47 days)
Half-Life from Model Lake : 2320 hours (96.66 days)
Removal In Wastewater Treatment:
Total removal: 2.43 percent
Total biodegradation: 0.10 percent
Total sludge adsorption: 2.14 percent
Total to Air: 0.20 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 1.66 21.2 1000
Water 25.3 360 1000
Soil 72.7 720 1000
Sediment 0.345 3.24e+003 0
Persistence Time: 465 hr