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CAS Num: 065405-72-3


CHEM : 1-Naphthalenol, 1,2,3,4,4a,7,8,8a-octahydro-2,4a,5,8a-tetramethyl-, f


MOL FOR: C15 H24 O2

MOL WT : 236.36

------------------------------ 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) = 4.77

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

Boiling Pt (deg C): 284.44 (Adapted Stein & Brown method)

Melting Pt (deg C): 74.53 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 0.00151 (Modified Grain method)

VP (Pa, 25 deg C) : 0.201 (Modified Grain method)

Subcooled liquid VP: 0.00444 mm Hg (25 deg C, Mod-Grain method)

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

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

Water Solubility at 25 deg C (mg/L): 2.359

log Kow used: 4.77 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 4.4582 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:


Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:

Bond Method : 1.93E-003 atm-m3/mole (1.95E+002 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: 1.991E-004 atm-m3/mole (2.017E+001 Pa-m3/mole)

VP: 0.00151 mm Hg (source: MPBPVP)

WS: 2.36 mg/L (source: WSKOWWIN)

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

Log Kow used: 4.77 (KowWin est)

Log Kaw used: -1.103 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 5.873

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.4413

Biowin2 (Non-Linear Model) : 0.5709

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 2.3928 (weeks-months)

Biowin4 (Primary Survey Model) : 3.4288 (days-weeks )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.5996

Biowin6 (MITI Non-Linear Model): 0.4353

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): -0.4535

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): 0.592 Pa (0.00444 mm Hg)

Log Koa (Koawin est ): 5.873

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

Mackay model : 5.07E-006

Octanol/air (Koa) model: 1.83E-007

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 0.000183

Mackay model : 0.000405

Octanol/air (Koa) model: 1.47E-005

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 100.5569 E-12 cm3/molecule-sec

Half-Life = 0.106 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 1.276 Hrs

Ozone Reaction:

OVERALL Ozone Rate Constant = 7.393750 E-17 cm3/molecule-sec

Half-Life = 0.155 Days (at 7E11 mol/cm3)

Half-Life = 3.720 Hrs

Fraction sorbed to airborne particulates (phi):

0.000294 (Junge-Pankow, Mackay avg)

1.47E-005 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 2815 L/kg (MCI method)

Log Koc: 3.449 (MCI method)

Koc : 3147 L/kg (Kow method)

Log Koc: 3.498 (Kow method)

Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:

Total Kb for pH > 8 at 25 deg C : 3.697E+000 L/mol-sec

Kb Half-Life at pH 8: 2.170 days

Kb Half-Life at pH 7: 21.696 days

(Total Kb applies only to esters, carbmates, alkyl halides)

Bioaccumulation Estimates (BCFBAF v3.00):

Log BCF from regression-based method = 2.816 (BCF = 655.1 L/kg wet-wt)

Log Biotransformation Half-life (HL) = 0.1036 days (HL = 1.269 days)

Log BCF Arnot-Gobas method (upper trophic) = 2.687 (BCF = 486.8)

Log BAF Arnot-Gobas method (upper trophic) = 2.690 (BAF = 489.3)

log Kow used: 4.77 (estimated)

Volatilization from Water:

Henry LC: 0.00193 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 2.035 hours

Half-Life from Model Lake : 151.1 hours (6.296 days)

Removal In Wastewater Treatment:

Total removal: 77.07 percent

Total biodegradation: 0.49 percent

Total sludge adsorption: 61.55 percent

Total to Air: 15.03 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 0.168 1.51 1000

Water 11.1 900 1000

Soil 87 1.8e+003 1000

Sediment 1.78 8.1e+003 0

Persistence Time: 759 hr

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