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CAS Number: 43126-21-2
SMILES : CC1(C2(OC(C)CC2)CC(=CC1)C)C
CHEM : 1-Oxaspiro[4.5]dec-6-ene, 2,6,10,10-tetramethyl-, cis-
MOL FOR: C13 H22 O1
MOL WT : 194.32
------------------------------ 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) = 4.79
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 237.39 (Adapted Stein & Brown method)
Melting Pt (deg C): 39.41 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.0591 (Modified Grain method)
VP (Pa, 25 deg C) : 7.88 (Modified Grain method)
Subcooled liquid VP: 0.0798 mm Hg (25 deg C, Mod-Grain method)
: 10.6 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 3.796
log Kow used: 4.79 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 61.869 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Neutral Organics
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 4.94E-004 atm-m3/mole (5.01E+001 Pa-m3/mole)
Group Method: 1.58E-004 atm-m3/mole (1.60E+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: 3.981E-003 atm-m3/mole (4.033E+002 Pa-m3/mole)
VP: 0.0591 mm Hg (source: MPBPVP)
WS: 3.8 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 4.79 (KowWin est)
Log Kaw used: -1.695 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 6.485
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : -0.0602
Biowin2 (Non-Linear Model) : 0.0013
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.3368 (weeks-months)
Biowin4 (Primary Survey Model) : 3.2508 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.3699
Biowin6 (MITI Non-Linear Model): 0.1869
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): -0.9220
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): 10.6 Pa (0.0798 mm Hg)
Log Koa (Koawin est ): 6.485
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 2.82E-007
Octanol/air (Koa) model: 7.5E-007
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 1.02E-005
Mackay model : 2.26E-005
Octanol/air (Koa) model: 6E-005
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 104.7491 E-12 cm3/molecule-sec
Half-Life = 0.102 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 1.225 Hrs
Ozone Reaction:
OVERALL Ozone Rate Constant = 43.000000 E-17 cm3/molecule-sec
Half-Life = 0.027 Days (at 7E11 mol/cm3)
Half-Life = 38.378 Min
Reaction With Nitrate Radicals May Be Important!
Fraction sorbed to airborne particulates (phi):
1.64E-005 (Junge-Pankow, Mackay avg)
6E-005 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 1235 L/kg (MCI method)
Log Koc: 3.092 (MCI method)
Koc : 3048 L/kg (Kow method)
Log Koc: 3.484 (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 = 2.827 (BCF = 671.9 L/kg wet-wt)
Log Biotransformation Half-life (HL) = 0.9412 days (HL = 8.733 days)
Log BCF Arnot-Gobas method (upper trophic) = 3.341 (BCF = 2192)
Log BAF Arnot-Gobas method (upper trophic) = 3.416 (BAF = 2603)
log Kow used: 4.79 (estimated)
Volatilization from Water:
Henry LC: 0.000494 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 3.075 hours
Half-Life from Model Lake : 150.4 hours (6.268 days)
Removal In Wastewater Treatment:
Total removal: 72.57 percent
Total biodegradation: 0.58 percent
Total sludge adsorption: 66.90 percent
Total to Air: 5.10 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 0.0481 0.507 1000
Water 11.9 900 1000
Soil 87.2 1.8e+003 1000
Sediment 0.82 8.1e+003 0
Persistence Time: 827 hr