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CAS Number: 1074-17-5
SMILES : c(c(ccc1)C)(c1)CCC
CHEM : Benzene, 1-methyl-2-propyl-
MOL FOR: C10 H14
MOL WT : 134.22
------------------------------ EPI SUMMARY (v4.11) --------------------------
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 v1.68 estimate) = 4.07
Log Kow (Exper. database match) = 4.50
Exper. Ref: SHERBLOM,PM & EGANHOUSE,RP (1988)
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 190.75 (Adapted Stein & Brown method)
Melting Pt (deg C): -17.02 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.757 (Mean VP of Antoine & Grain methods)
VP (Pa, 25 deg C) : 101 (Mean VP of Antoine & Grain methods)
MP (exp database): -60.3 deg C
BP (exp database): 185 deg C
VP (exp database): 9.94E-01 mm Hg (1.33E+002 Pa) at 25 deg C
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 12.7
log Kow used: 4.50 (expkow database)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 17.262 mg/L
ECOSAR Class Program (ECOSAR v1.11):
Class(es) found:
Neutral Organics
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 1.16E-002 atm-m3/mole (1.17E+003 Pa-m3/mole)
Group Method: 1.34E-002 atm-m3/mole (1.36E+003 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: 1.053E-002 atm-m3/mole (1.067E+003 Pa-m3/mole)
VP: 0.757 mm Hg (source: MPBPVP)
WS: 12.7 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 4.50 (exp database)
Log Kaw used: -0.324 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 4.824
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.7930
Biowin2 (Non-Linear Model) : 0.9052
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.7529 (weeks )
Biowin4 (Primary Survey Model) : 3.5170 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.3813
Biowin6 (MITI Non-Linear Model): 0.4410
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): -0.0928
Ready Biodegradability Prediction: NO
Hydrocarbon Biodegradation (BioHCwin v1.01):
LOG BioHC Half-Life (days) : 0.7576
BioHC Half-Life (days) : 5.7225
Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
Vapor pressure (liquid/subcooled): 133 Pa (0.994 mm Hg)
Log Koa (Koawin est ): 4.824
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 2.26E-008
Octanol/air (Koa) model: 1.64E-008
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 8.18E-007
Mackay model : 1.81E-006
Octanol/air (Koa) model: 1.31E-006
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 8.8025 E-12 cm3/molecule-sec
Half-Life = 1.215 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 14.581 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
1.31E-006 (Junge-Pankow, Mackay avg)
1.31E-006 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 1331 L/kg (MCI method)
Log Koc: 3.124 (MCI method)
Koc : 8038 L/kg (Kow method)
Log Koc: 3.905 (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 v3.01):
Log BCF from regression-based method = 2.636 (BCF = 432.6 L/kg wet-wt)
Log Biotransformation Half-life (HL) = 0.3413 days (HL = 2.194 days)
Log BCF Arnot-Gobas method (upper trophic) = 2.853 (BCF = 713.2)
Log BAF Arnot-Gobas method (upper trophic) = 2.857 (BAF = 718.7)
log Kow used: 4.50 (expkow database)
Volatilization from Water:
Henry LC: 0.0134 atm-m3/mole (estimated by Group SAR Method)
Half-Life from Model River: 1.233 hours
Half-Life from Model Lake : 110.6 hours (4.608 days)
Removal In Wastewater Treatment:
Total removal: 89.21 percent
Total biodegradation: 0.21 percent
Total sludge adsorption: 38.77 percent
Total to Air: 50.24 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 9.78 29.2 1000
Water 29.4 360 1000
Soil 59.4 720 1000
Sediment 1.34 3.24e+003 0
Persistence Time: 211 hr