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CAS Number: 64742-60-5


CHEM : Hydrocarbon waxes (petroleum), hydrotreated microcryst.

MOL FOR: C25 H52

MOL WT : 352.69

------------------------------ EPI SUMMARY (v4.10) --------------------------

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) = 12.47

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

Boiling Pt (deg C): 378.45 (Adapted Stein & Brown method)

Melting Pt (deg C): 78.09 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 1.94E-005 (Modified Grain method)

VP (Pa, 25 deg C) : 0.00258 (Modified Grain method)

Subcooled liquid VP: 6.19E-005 mm Hg (25 deg C, Mod-Grain method)

: 0.00826 Pa (25 deg C, Mod-Grain method)

Water Solubility Estimate from Log Kow (WSKOW v1.42):

Water Solubility at 25 deg C (mg/L): 3.871e-008

log Kow used: 12.47 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 3.5269e-007 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:

Neutral Organics

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

Bond Method : 3.72E+002 atm-m3/mole (3.77E+007 Pa-m3/mole)

Group Method: 1.73E+003 atm-m3/mole (1.75E+008 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: 2.326E+002 atm-m3/mole (2.357E+007 Pa-m3/mole)

VP: 1.94E-005 mm Hg (source: MPBPVP)

WS: 3.87E-008 mg/L (source: WSKOWWIN)

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

Log Kow used: 12.47 (KowWin est)

Log Kaw used: 4.182 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 8.288

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 1.0134

Biowin2 (Non-Linear Model) : 0.9954

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 3.6131 (days-weeks )

Biowin4 (Primary Survey Model) : 4.4152 (hours-days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.5021

Biowin6 (MITI Non-Linear Model): 0.5945

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): -0.5910

Ready Biodegradability Prediction: YES

Hydrocarbon Biodegradation (BioHCwin v1.01):

LOG BioHC Half-Life (days) : 1.9458

BioHC Half-Life (days) : 88.2728

Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:

Vapor pressure (liquid/subcooled): 0.00825 Pa (6.19E-005 mm Hg)

Log Koa (Koawin est ): 8.288

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

Mackay model : 0.000363

Octanol/air (Koa) model: 4.76E-005

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 0.013

Mackay model : 0.0283

Octanol/air (Koa) model: 0.0038

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 33.6803 E-12 cm3/molecule-sec

Half-Life = 0.318 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 3.811 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Fraction sorbed to airborne particulates (phi):

0.0206 (Junge-Pankow, Mackay avg)

0.0038 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 1.001E+007 L/kg (MCI method)

Log Koc: 7.000 (MCI method)

Koc : 6.642E+010 L/kg (Kow method)

Log Koc: 10.822 (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 = 1.443 (BCF = 27.72 L/kg wet-wt)

Log Biotransformation Half-life (HL) = 2.5857 days (HL = 385.2 days)

Log BCF Arnot-Gobas method (upper trophic) = 0.012 (BCF = 1.029)

Log BAF Arnot-Gobas method (upper trophic) = 2.739 (BAF = 548.6)

log Kow used: 12.47 (estimated)

Volatilization from Water:

Henry LC: 372 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 1.916 hours

Half-Life from Model Lake : 178.4 hours (7.432 days)

Removal In Wastewater Treatment:

Total removal: 94.05 percent

Total biodegradation: 0.78 percent

Total sludge adsorption: 93.18 percent

Total to Air: 0.09 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 4.7 7.62 1000

Water 61.4 208 1000

Soil 33.9 416 1000

Sediment 0.0761 1.87e+003 0

Persistence Time: 126 hr

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