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CAS Num: 003386-97-8

SMILES : S=C=NCCC=C

CHEM : 1-BUTENE, 4-ISOTHIOCYANATO-

MOL FOR: C5 H7 N1 S1

MOL WT : 113.18

------------------------------ 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) = 2.64

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

Boiling Pt (deg C): 158.03 (Adapted Stein & Brown method)

Melting Pt (deg C): -27.55 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 2.76 (Mean VP of Antoine & Grain methods)

VP (Pa, 25 deg C) : 367 (Mean VP of Antoine & Grain methods)

Water Solubility Estimate from Log Kow (WSKOW v1.41):

Water Solubility at 25 deg C (mg/L): 594.3

log Kow used: 2.64 (estimated)

no-melting pt equation used

Water Sol (Exper. database match) = 460 mg/L (20 deg C)

Exper. Ref: BEILSTEIN

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 570.34 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:

Thiocyanates

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

Bond Method : 5.42E-003 atm-m3/mole (5.49E+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: 6.916E-004 atm-m3/mole (7.008E+001 Pa-m3/mole)

VP: 2.76 mm Hg (source: MPBPVP)

WS: 594 mg/L (source: WSKOWWIN)

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

Log Kow used: 2.64 (KowWin est)

Log Kaw used: -0.654 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 3.294

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.6937

Biowin2 (Non-Linear Model) : 0.8024

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 2.9491 (weeks )

Biowin4 (Primary Survey Model) : 3.6844 (days-weeks )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.4928

Biowin6 (MITI Non-Linear Model): 0.5505

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.6675

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): 335 Pa (2.51 mm Hg)

Log Koa (Koawin est ): 3.294

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

Mackay model : 8.96E-009

Octanol/air (Koa) model: 4.83E-010

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 3.24E-007

Mackay model : 7.17E-007

Octanol/air (Koa) model: 3.86E-008

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 28.5976 E-12 cm3/molecule-sec

Half-Life = 0.374 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 4.488 Hrs

Ozone Reaction:

OVERALL Ozone Rate Constant = 1.200000 E-17 cm3/molecule-sec

Half-Life = 0.955 Days (at 7E11 mol/cm3)

Half-Life = 22.920 Hrs

Fraction sorbed to airborne particulates (phi):

5.2E-007 (Junge-Pankow, Mackay avg)

3.86E-008 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 64.49 L/kg (MCI method)

Log Koc: 1.810 (MCI method)

Koc : 485.1 L/kg (Kow method)

Log Koc: 2.686 (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 = 1.407 (BCF = 25.51 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -0.6720 days (HL = 0.2128 days)

Log BCF Arnot-Gobas method (upper trophic) = 1.468 (BCF = 29.37)

Log BAF Arnot-Gobas method (upper trophic) = 1.468 (BAF = 29.37)

log Kow used: 2.64 (estimated)

Volatilization from Water:

Henry LC: 0.00542 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 1.201 hours

Half-Life from Model Lake : 102.3 hours (4.263 days)

Removal In Wastewater Treatment:

Total removal: 68.65 percent

Total biodegradation: 0.05 percent

Total sludge adsorption: 1.97 percent

Total to Air: 66.63 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 6.97 6.45 1000

Water 65.7 360 1000

Soil 27 720 1000

Sediment 0.294 3.24e+003 0

Persistence Time: 96.4 hr

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