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CAS Number: 25659-22-7
SMILES : O=C(C)CC=CC
CHEM : 4-HEXEN-2-ONE
MOL FOR: C6 H10 O1
MOL WT : 98.15
------------------------------ 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) = 1.02
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 125.92 (Adapted Stein & Brown method)
Melting Pt (deg C): -55.53 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 14 (Mean VP of Antoine & Grain methods)
VP (Pa, 25 deg C) : 1.86E+003 (Mean VP of Antoine & Grain methods)
BP (exp database): 127 deg C
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 1.583e+004
log Kow used: 1.02 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 24490 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Vinyl/Allyl Ketones
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 1.02E-004 atm-m3/mole (1.03E+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: 1.142E-004 atm-m3/mole (1.157E+001 Pa-m3/mole)
VP: 14 mm Hg (source: MPBPVP)
WS: 1.58E+004 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 1.02 (KowWin est)
Log Kaw used: -2.380 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 3.400
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.8161
Biowin2 (Non-Linear Model) : 0.9528
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 3.2581 (days-weeks )
Biowin4 (Primary Survey Model) : 3.9530 (days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.6005
Biowin6 (MITI Non-Linear Model): 0.7410
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): -0.1537
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): 1.73E+003 Pa (13 mm Hg)
Log Koa (Koawin est ): 3.400
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 1.73E-009
Octanol/air (Koa) model: 6.17E-010
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 6.25E-008
Mackay model : 1.38E-007
Octanol/air (Koa) model: 4.93E-008
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 57.3385 E-12 cm3/molecule-sec [Cis-isomer]
OVERALL OH Rate Constant = 64.9385 E-12 cm3/molecule-sec [Trans-isomer]
Half-Life = 2.238 Hrs (12-hr day; 1.5E6 OH/cm3) [Cis-isomer]
Half-Life = 1.977 Hrs (12-hr day; 1.5E6 OH/cm3) [Trans-isomer]
Ozone Reaction:
OVERALL Ozone Rate Constant = 13.000000 E-17 cm3/molecule-sec [Cis-]
OVERALL Ozone Rate Constant = 20.000000 E-17 cm3/molecule-sec [Trans-]
Half-Life = 2.116 Hrs (at 7E11 mol/cm3) [Cis-isomer]
Half-Life = 1.375 Hrs (at 7E11 mol/cm3) [Trans-isomer]
Reaction With Nitrate Radicals May Be Important!
Fraction sorbed to airborne particulates (phi):
1E-007 (Junge-Pankow, Mackay avg)
4.93E-008 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 14.98 L/kg (MCI method)
Log Koc: 1.175 (MCI method)
Koc : 48.4 L/kg (Kow method)
Log Koc: 1.685 (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 = 0.342 (BCF = 2.199 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -0.9081 days (HL = 0.1236 days)
Log BCF Arnot-Gobas method (upper trophic) = 0.259 (BCF = 1.815)
Log BAF Arnot-Gobas method (upper trophic) = 0.259 (BAF = 1.815)
log Kow used: 1.02 (estimated)
Volatilization from Water:
Henry LC: 0.000102 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 6.698 hours
Half-Life from Model Lake : 156.1 hours (6.506 days)
Removal In Wastewater Treatment:
Total removal: 6.78 percent
Total biodegradation: 0.09 percent
Total sludge adsorption: 1.72 percent
Total to Air: 4.97 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 0.487 1.44 1000
Water 38 208 1000
Soil 61.5 416 1000
Sediment 0.0869 1.87e+003 0
Persistence Time: 197 hr