SMILES : O=CC=C(C)C
CHEM : 2-BUTENAL, 3-METHYL-
CAS NUM: 000107-86-8
MOL FOR: C5 H8 O1
MOL WT : 84.12
------------------------------ EPI SUMMARY (v3.20) --------------------------
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) = 1.15
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
Boiling Pt (deg C): 109.79 (Adapted Stein & Brown method)
Melting Pt (deg C): -76.82 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 8.35 (Mean VP of Antoine & Grain methods)
BP (exp database): 134 deg C
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 1.342e+004
log Kow used: 1.15 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 81031 mg/L
ECOSAR Class Program (ECOSAR v0.99h):
Class(es) found:
Aldehydes
Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
Bond Method : 8.79E-005 atm-m3/mole
Group Method: 2.81E-005 atm-m3/mole
Henrys LC [VP/WSol estimate using EPI values]: 6.887E-005 atm-m3/mole
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 1.15 (KowWin est)
Log Kaw used: -2.444 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 3.594
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.9921
Biowin2 (Non-Linear Model) : 0.9999
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 3.0356 (weeks )
Biowin4 (Primary Survey Model) : 3.9230 (days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.8803
Biowin6 (MITI Non-Linear Model): 0.9483
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.7260
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): 1.03E+003 Pa (7.71 mm Hg)
Log Koa (Koawin est ): 3.594
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 2.92E-009
Octanol/air (Koa) model: 9.64E-010
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 1.05E-007
Mackay model : 2.33E-007
Octanol/air (Koa) model: 7.71E-008
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 46.6960 E-12 cm3/molecule-sec
Half-Life = 0.229 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 2.749 Hrs
Ozone Reaction:
OVERALL Ozone Rate Constant = 1.183000 E-17 cm3/molecule-sec
Half-Life = 0.969 Days (at 7E11 mol/cm3)
Half-Life = 23.249 Hrs
Fraction sorbed to airborne particulates (phi): 1.69E-007 (Junge,Mackay)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (PCKOCWIN v1.66):
Koc : 7.878
Log Koc: 0.896
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
Rate constants can NOT be estimated for this structure!
Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
Log BCF from regression-based method = 0.184 (BCF = 1.529)
log Kow used: 1.15 (estimated)
Volatilization from Water:
Henry LC: 2.81E-005 atm-m3/mole (estimated by Group SAR Method)
Half-Life from Model River: 31.34 hours (1.306 days)
Half-Life from Model Lake : 295.6 hours (12.32 days)
Removal In Wastewater Treatment:
Total removal: 3.40 percent
Total biodegradation: 0.09 percent
Total sludge adsorption: 1.79 percent
Total to Air: 1.52 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 0.829 4.45 1000
Water 43.4 360 1000
Soil 55.7 720 1000
Sediment 0.09 3.24e+003 0
Persistence Time: 314 hr