SMILES : C=CC(C)=CCCC(C)=C
CHEM : trans-Ocimene
CAS NUM: 003779-61-1
MOL FOR: C10 H16
MOL WT : 136.24
------------------------------ 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) = 4.88
Log Kow (Exper. database match) = 4.17
Exper. Ref: Chem Inspect Test Inst (1992)
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
Boiling Pt (deg C): 156.22 (Adapted Stein & Brown method)
Melting Pt (deg C): -64.83 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 2.4 (Mean VP of Antoine & Grain methods)
MP (exp database): <-10 deg C
BP (exp database): 167 deg C
VP (exp database): 2.01E+00 mm Hg at 25 deg C
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 6.923
log Kow used: 4.17 (expkow database)
no-melting pt equation used
Water Sol (Exper. database match) = 5.6 mg/L (25 deg C)
Exper. Ref: CHEM INSPECT TEST INST (1992)
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 17.814 mg/L
Wat Sol (Exper. database match) = 5.60
Exper. Ref: CHEM INSPECT TEST INST (1992)
ECOSAR Class Program (ECOSAR v0.99h):
Class(es) found:
Neutral Organics
Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
Bond Method : 5.23E-001 atm-m3/mole
Group Method: 9.52E-002 atm-m3/mole
Exper Database: 6.43E-02 atm-m3/mole
Henrys LC [VP/WSol estimate using EPI values]: 6.215E-002 atm-m3/mole
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 4.17 (exp database)
Log Kaw used: 0.420 (exp database)
Log Koa (KOAWIN v1.10 estimate): 3.750
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.6827
Biowin2 (Non-Linear Model) : 0.7454
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.8981 (weeks )
Biowin4 (Primary Survey Model) : 3.6512 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.4436
Biowin6 (MITI Non-Linear Model): 0.4162
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.2878
Ready Biodegradability Prediction: NO
Hydrocarbon Biodegradation (BioHCwin v1.01):
LOG BioHC Half-Life (days) : 0.3890
BioHC Half-Life (days) : 2.4489
Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
Vapor pressure (liquid/subcooled): 268 Pa (2.01 mm Hg)
Log Koa (Koawin est ): 3.750
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 1.12E-008
Octanol/air (Koa) model: 1.38E-009
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 4.04E-007
Mackay model : 8.96E-007
Octanol/air (Koa) model: 1.1E-007
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 195.9696 E-12 cm3/molecule-sec
Half-Life = 0.055 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 0.655 Hrs
Ozone Reaction:
OVERALL Ozone Rate Constant = 19.200001 E-17 cm3/molecule-sec
Half-Life = 0.060 Days (at 7E11 mol/cm3)
Half-Life = 1.432 Hrs
Reaction With Nitrate Radicals May Be Important!
Fraction sorbed to airborne particulates (phi): 6.5E-007 (Junge,Mackay)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (PCKOCWIN v1.66):
Koc : 1269
Log Koc: 3.103
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 = 2.511 (BCF = 324.3)
log Kow used: 4.17 (expkow database)
Volatilization from Water:
Henry LC: 0.0643 atm-m3/mole (Henry experimental database)
Half-Life from Model River: 3.426 hours
Half-Life from Model Lake : 111 hours (4.624 days)
Removal In Wastewater Treatment (recommended maximum 95%):
Total removal: 96.84 percent
Total biodegradation: 0.09 percent
Total sludge adsorption: 23.05 percent
Total to Air: 73.69 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 0.0967 0.186 1000
Water 31.7 360 1000
Soil 62.4 720 1000
Sediment 5.84 3.24e+003 0
Persistence Time: 194 hr