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CAS Num: 072429-08-4


CHEM : 1H-2-Benzopyran, 3,4,4a,5,8,8a(or 3,4,4a,7,8,8a)-hexahydro-3,3,6,7-te


MOL FOR: C13 H22 O1

MOL WT : 194.32

------------------------------ 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) = 4.41

Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):

Boiling Pt (deg C): 241.68 (Adapted Stein & Brown method)

Melting Pt (deg C): 33.82 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 0.054 (Modified Grain method)

VP (Pa, 25 deg C) : 7.2 (Modified Grain method)

Subcooled liquid VP: 0.0648 mm Hg (25 deg C, Mod-Grain method)

: 8.63 Pa (25 deg C, Mod-Grain method)

Water Solubility Estimate from Log Kow (WSKOW v1.41):

Water Solubility at 25 deg C (mg/L): 7.983

log Kow used: 4.41 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 43.916 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:

Vinyl/Allyl Ethers

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: 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: 1.730E-003 atm-m3/mole (1.752E+002 Pa-m3/mole)

VP: 0.054 mm Hg (source: MPBPVP)

WS: 7.98 mg/L (source: WSKOWWIN)

Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:

Log Kow used: 4.41 (KowWin est)

Log Kaw used: -1.695 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 6.105

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.1237

Biowin2 (Non-Linear Model) : 0.0074

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 2.5490 (weeks-months)

Biowin4 (Primary Survey Model) : 3.4042 (days-weeks )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.3075

Biowin6 (MITI Non-Linear Model): 0.0859

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): -0.3889

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): 8.64 Pa (0.0648 mm Hg)

Log Koa (Koawin est ): 6.105

Kp (particle/gas partition coef. (m3/ug)):

Mackay model : 3.47E-007

Octanol/air (Koa) model: 3.13E-007

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 1.25E-005

Mackay model : 2.78E-005

Octanol/air (Koa) model: 2.5E-005

Atmospheric Oxidation (25 deg C) [AopWin v1.92]:

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 115.5544 E-12 cm3/molecule-sec

Half-Life = 0.093 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 1.111 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):

2.02E-005 (Junge-Pankow, Mackay avg)

2.5E-005 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 1274 L/kg (MCI method)

Log Koc: 3.105 (MCI method)

Koc : 1878 L/kg (Kow method)

Log Koc: 3.274 (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 = 2.578 (BCF = 378.4 L/kg wet-wt)

Log Biotransformation Half-life (HL) = 1.0524 days (HL = 11.28 days)

Log BCF Arnot-Gobas method (upper trophic) = 3.219 (BCF = 1656)

Log BAF Arnot-Gobas method (upper trophic) = 3.268 (BAF = 1855)

log Kow used: 4.41 (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: 57.27 percent

Total biodegradation: 0.44 percent

Total sludge adsorption: 48.09 percent

Total to Air: 8.74 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 0.0468 0.497 1000

Water 11.9 900 1000

Soil 87.2 1.8e+003 1000

Sediment 0.843 8.1e+003 0

Persistence Time: 831 hr

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