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CAS Num: 000103-95-7
SMILES : O=CC(C)Cc(ccc(c1)C(C)C)c1
CHEM : Benzenepropanal, .alpha.-methyl-4-(1-methylethyl)-
MOL FOR: C13 H18 O1
MOL WT : 190.29
------------------------------ 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) = 3.91
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):
Boiling Pt (deg C): 270.29 (Adapted Stein & Brown method)
Melting Pt (deg C): 29.10 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 22.7 (Modified Grain method)
VP (Pa, 25 deg C) : 3.03E+003 (Modified Grain method)
BP (exp database): 108.25 deg C
Subcooled liquid VP: 24.7 mm Hg (25 deg C, Mod-Grain method)
: 3.3E+003 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 22.59
log Kow used: 3.91 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 45.048 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Aldehydes (Mono)
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 1.88E-005 atm-m3/mole (1.90E+000 Pa-m3/mole)
Group Method: 8.88E-006 atm-m3/mole (9.00E-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: 2.516E-001 atm-m3/mole (2.549E+004 Pa-m3/mole)
VP: 22.7 mm Hg (source: MPBPVP)
WS: 22.6 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 3.91 (KowWin est)
Log Kaw used: -3.114 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 7.024
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 1.0509
Biowin2 (Non-Linear Model) : 0.9998
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.6513 (weeks-months)
Biowin4 (Primary Survey Model) : 3.6328 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.4754
Biowin6 (MITI Non-Linear Model): 0.5873
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): -0.0308
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): 3.29E+003 Pa (24.7 mm Hg)
Log Koa (Koawin est ): 7.024
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 9.11E-010
Octanol/air (Koa) model: 2.59E-006
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 3.29E-008
Mackay model : 7.29E-008
Octanol/air (Koa) model: 0.000207
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 34.8276 E-12 cm3/molecule-sec
Half-Life = 0.307 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 3.685 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
5.29E-008 (Junge-Pankow, Mackay avg)
0.000207 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 282.8 L/kg (MCI method)
Log Koc: 2.451 (MCI method)
Koc : 722 L/kg (Kow method)
Log Koc: 2.859 (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 = 2.245 (BCF = 175.6 L/kg wet-wt)
Log Biotransformation Half-life (HL) = 0.1607 days (HL = 1.448 days)
Log BCF Arnot-Gobas method (upper trophic) = 2.550 (BCF = 354.4)
Log BAF Arnot-Gobas method (upper trophic) = 2.550 (BAF = 354.7)
log Kow used: 3.91 (estimated)
Volatilization from Water:
Henry LC: 8.88E-006 atm-m3/mole (estimated by Group SAR Method)
Half-Life from Model River: 92.36 hours (3.848 days)
Half-Life from Model Lake : 1123 hours (46.8 days)
Removal In Wastewater Treatment:
Total removal: 26.44 percent
Total biodegradation: 0.29 percent
Total sludge adsorption: 25.79 percent
Total to Air: 0.37 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 0.352 7.37 1000
Water 20 900 1000
Soil 79.3 1.8e+003 1000
Sediment 0.32 8.1e+003 0
Persistence Time: 975 hr