This page contains the EPI System Summary only.
For complete control of this information -
Download the free EPI SuiteTM v4.0 program : here
To Datasheet
CAS Number: 514-94-3
SMILES : C(C=C(C)C1C)=CC1(C)C
CHEM : 1,3-CYCLOHEXADIENE, 1,5,5,6-TETRAMETHYL-
MOL FOR: C10 H16
MOL WT : 136.24
------------------------------ 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) = 4.58
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 160.38 (Adapted Stein & Brown method)
Melting Pt (deg C): -24.82 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 3.23 (Mean VP of Antoine & Grain methods)
VP (Pa, 25 deg C) : 431 (Mean VP of Antoine & Grain methods)
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 3.082
log Kow used: 4.58 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 34.21 mg/L
ECOSAR Class Program (ECOSAR v1.11):
Class(es) found:
Neutral Organics
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 3.09E-001 atm-m3/mole (3.13E+004 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: 1.879E-001 atm-m3/mole (1.904E+004 Pa-m3/mole)
VP: 3.23 mm Hg (source: MPBPVP)
WS: 3.08 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 4.58 (KowWin est)
Log Kaw used: 1.102 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 3.478
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.4988
Biowin2 (Non-Linear Model) : 0.3432
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.6860 (weeks-months)
Biowin4 (Primary Survey Model) : 3.4977 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.4071
Biowin6 (MITI Non-Linear Model): 0.2740
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.0024
Ready Biodegradability Prediction: NO
Hydrocarbon Biodegradation (BioHCwin v1.01):
LOG BioHC Half-Life (days) : 0.7841
BioHC Half-Life (days) : 6.0821
Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
Vapor pressure (liquid/subcooled): 395 Pa (2.96 mm Hg)
Log Koa (Koawin est ): 3.478
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 7.6E-009
Octanol/air (Koa) model: 7.38E-010
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 2.75E-007
Mackay model : 6.08E-007
Octanol/air (Koa) model: 5.9E-008
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 193.0240 E-12 cm3/molecule-sec
Half-Life = 0.055 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 0.665 Hrs
Ozone Reaction:
OVERALL Ozone Rate Constant = 34.222500 E-17 cm3/molecule-sec
Half-Life = 0.033 Days (at 7E11 mol/cm3)
Half-Life = 48.221 Min
Fraction sorbed to airborne particulates (phi):
4.41E-007 (Junge-Pankow, Mackay avg)
5.9E-008 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 924.1 L/kg (MCI method)
Log Koc: 2.966 (MCI method)
Koc : 9432 L/kg (Kow method)
Log Koc: 3.975 (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 = 2.690 (BCF = 489.7 L/kg wet-wt)
Log Biotransformation Half-life (HL) = 0.5128 days (HL = 3.257 days)
Log BCF Arnot-Gobas method (upper trophic) = 2.999 (BCF = 997.8)
Log BAF Arnot-Gobas method (upper trophic) = 3.008 (BAF = 1018)
log Kow used: 4.58 (estimated)
Volatilization from Water:
Henry LC: 0.309 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 1.193 hours
Half-Life from Model Lake : 110.9 hours (4.62 days)
Removal In Wastewater Treatment (recommended maximum 95%):
Total removal: 99.40 percent
Total biodegradation: 0.12 percent
Total sludge adsorption: 36.42 percent
Total to Air: 62.86 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 0.69 0.501 1000
Water 87.5 900 1000
Soil 7.35 1.8e+003 1000
Sediment 4.47 8.1e+003 0
Persistence Time: 89.3 hr