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CAS Number: 762-26-5
SMILES : O=CCCC=C(C)CCC=C(C)C
CHEM : (4Z)-5,9-dimethyldeca-4,8-dienal
MOL FOR: C12 H20 O1
MOL WT : 180.29
------------------------------ 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) = 4.43
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 253.84 (Adapted Stein & Brown method)
Melting Pt (deg C): -4.84 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.0222 (Mean VP of Antoine & Grain methods)
VP (Pa, 25 deg C) : 2.96 (Mean VP of Antoine & Grain methods)
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 9.086
log Kow used: 4.43 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 109.95 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Aldehydes (Mono)
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 1.24E-003 atm-m3/mole (1.26E+002 Pa-m3/mole)
Group Method: 1.20E-004 atm-m3/mole (1.21E+001 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: 5.796E-004 atm-m3/mole (5.873E+001 Pa-m3/mole)
VP: 0.0222 mm Hg (source: MPBPVP)
WS: 9.09 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 4.43 (KowWin est)
Log Kaw used: -1.295 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 5.725
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.9463
Biowin2 (Non-Linear Model) : 0.9995
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.8231 (weeks )
Biowin4 (Primary Survey Model) : 3.7843 (days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.7984
Biowin6 (MITI Non-Linear Model): 0.8696
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.6768
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): 2.91 Pa (0.0218 mm Hg)
Log Koa (Koawin est ): 5.725
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 1.03E-006
Octanol/air (Koa) model: 1.3E-007
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 3.73E-005
Mackay model : 8.26E-005
Octanol/air (Koa) model: 1.04E-005
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 201.7698 E-12 cm3/molecule-sec
Half-Life = 0.053 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 0.636 Hrs
Ozone Reaction:
OVERALL Ozone Rate Constant = 86.000000 E-17 cm3/molecule-sec
Half-Life = 0.013 Days (at 7E11 mol/cm3)
Half-Life = 19.189 Min
Reaction With Nitrate Radicals May Be Important!
Fraction sorbed to airborne particulates (phi):
5.99E-005 (Junge-Pankow, Mackay avg)
1.04E-005 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 161.6 L/kg (MCI method)
Log Koc: 2.208 (MCI method)
Koc : 1400 L/kg (Kow method)
Log Koc: 3.146 (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 = 2.588 (BCF = 387.5 L/kg wet-wt)
Log Biotransformation Half-life (HL) = 0.6376 days (HL = 4.341 days)
Log BCF Arnot-Gobas method (upper trophic) = 3.034 (BCF = 1081)
Log BAF Arnot-Gobas method (upper trophic) = 3.044 (BAF = 1107)
log Kow used: 4.43 (estimated)
Volatilization from Water:
Henry LC: 0.00012 atm-m3/mole (estimated by Group SAR Method)
Half-Life from Model River: 7.921 hours
Half-Life from Model Lake : 199 hours (8.292 days)
Removal In Wastewater Treatment:
Total removal: 54.08 percent
Total biodegradation: 0.48 percent
Total sludge adsorption: 50.97 percent
Total to Air: 2.63 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 0.0428 0.256 1000
Water 24.4 360 1000
Soil 75.4 720 1000
Sediment 0.198 3.24e+003 0
Persistence Time: 384 hr