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CAS Number: 625-28-5
SMILES : C(#N)CC(C)C
CHEM : Butanenitrile, 3-methyl-
MOL FOR: C5 H9 N1
MOL WT : 83.13
------------------------------ 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) = 1.25
Log Kow (Exper. database match) = 1.07
Exper. Ref: HANSCH,C ET AL. (1995)
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 129.33 (Adapted Stein & Brown method)
Melting Pt (deg C): -57.60 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 11.2 (Mean VP of Antoine & Grain methods)
VP (Pa, 25 deg C) : 1.49E+003 (Mean VP of Antoine & Grain methods)
MP (exp database): -101 deg C
BP (exp database): 127.5 deg C
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 8546
log Kow used: 1.07 (expkow database)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 18504 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Neutral Organics
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 7.15E-005 atm-m3/mole (7.24E+000 Pa-m3/mole)
Group Method: 9.09E-005 atm-m3/mole (9.21E+000 Pa-m3/mole)
For Henry LC Comparison Purposes:
User-Entered Henry LC: not entered
Henrys LC [via VP/WSol estimate using User-Entered or Estimated values]:
HLC: 1.434E-004 atm-m3/mole (1.452E+001 Pa-m3/mole)
VP: 11.2 mm Hg (source: MPBPVP)
WS: 8.55E+003 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 1.07 (exp database)
Log Kaw used: -2.534 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 3.604
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 1.0150
Biowin2 (Non-Linear Model) : 0.9985
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.9331 (weeks )
Biowin4 (Primary Survey Model) : 3.6626 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.5360
Biowin6 (MITI Non-Linear Model): 0.6744
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.5371
Ready Biodegradability Prediction: YES
Hydrocarbon Biodegradation (BioHCwin v1.01):
Structure incompatible with current estimation method!
Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
Vapor pressure (liquid/subcooled): 1.39E+003 Pa (10.4 mm Hg)
Log Koa (Koawin est ): 3.604
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 2.16E-009
Octanol/air (Koa) model: 9.86E-010
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 7.81E-008
Mackay model : 1.73E-007
Octanol/air (Koa) model: 7.89E-008
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 0.7856 E-12 cm3/molecule-sec
Half-Life = 13.614 Days (12-hr day; 1.5E6 OH/cm3)
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
1.26E-007 (Junge-Pankow, Mackay avg)
7.89E-008 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 23.78 L/kg (MCI method)
Log Koc: 1.376 (MCI method)
Koc : 81.12 L/kg (Kow method)
Log Koc: 1.909 (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 = 0.373 (BCF = 2.36 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -0.9440 days (HL = 0.1138 days)
Log BCF Arnot-Gobas method (upper trophic) = 0.279 (BCF = 1.902)
Log BAF Arnot-Gobas method (upper trophic) = 0.279 (BAF = 1.902)
log Kow used: 1.07 (expkow database)
Volatilization from Water:
Henry LC: 9.09E-005 atm-m3/mole (estimated by Group SAR Method)
Half-Life from Model River: 6.803 hours
Half-Life from Model Lake : 150.7 hours (6.278 days)
Removal In Wastewater Treatment:
Total removal: 6.31 percent
Total biodegradation: 0.09 percent
Total sludge adsorption: 1.73 percent
Total to Air: 4.49 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 11.6 327 1000
Water 32.4 360 1000
Soil 55.9 720 1000
Sediment 0.0915 3.24e+003 0
Persistence Time: 346 hr