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CAS Num: 000661-19-8

SMILES : OCCCCCCCCCCCCCCCCCCCCCC

CHEM : 1-Docosanol

MOL FOR: C22 H46 O1

MOL WT : 326.61

------------------------------ 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) = 9.68

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

Boiling Pt (deg C): 401.08 (Adapted Stein & Brown method)

Melting Pt (deg C): 122.94 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 6.13E-008 (Modified Grain method)

VP (Pa, 25 deg C) : 8.17E-006 (Modified Grain method)

MP (exp database): 72.5 deg C

BP (exp database): 180 @ 0.22 mm Hg deg C

Subcooled liquid VP: 1.72E-007 mm Hg (25 deg C, Mod-Grain method)

: 2.29E-005 Pa (25 deg C, Mod-Grain method)

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

Water Solubility at 25 deg C (mg/L): 0.0001496

log Kow used: 9.68 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 5.832e-005 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:

Neutral Organics

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

Bond Method : 1.64E-003 atm-m3/mole (1.66E+002 Pa-m3/mole)

Group Method: 4.88E-003 atm-m3/mole (4.95E+002 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: 1.761E-004 atm-m3/mole (1.784E+001 Pa-m3/mole)

VP: 6.13E-008 mm Hg (source: MPBPVP)

WS: 0.00015 mg/L (source: WSKOWWIN)

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

Log Kow used: 9.68 (KowWin est)

Log Kaw used: -1.174 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 10.854

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.8592

Biowin2 (Non-Linear Model) : 0.7912

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 2.9357 (weeks )

Biowin4 (Primary Survey Model) : 3.7750 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.9398

Biowin6 (MITI Non-Linear Model): 0.9585

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 1.1173

Ready Biodegradability Prediction: YES

Hydrocarbon Biodegradation (BioHCwin v1.01):

Structure incompatible with current estimation method!

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

Vapor pressure (liquid/subcooled): 2.29E-005 Pa (1.72E-007 mm Hg)

Log Koa (Koawin est ): 10.854

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

Mackay model : 0.131

Octanol/air (Koa) model: 0.0175

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 0.825

Mackay model : 0.913

Octanol/air (Koa) model: 0.584

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 32.3249 E-12 cm3/molecule-sec

Half-Life = 0.331 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 3.971 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Fraction sorbed to airborne particulates (phi):

0.869 (Junge-Pankow, Mackay avg)

0.584 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 1.707E+005 L/kg (MCI method)

Log Koc: 5.232 (MCI method)

Koc : 7.378E+005 L/kg (Kow method)

Log Koc: 5.868 (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 = 2.214 (BCF = 163.6 L/kg wet-wt)

Log Biotransformation Half-life (HL) = 1.3263 days (HL = 21.2 days)

Log BCF Arnot-Gobas method (upper trophic) = 0.966 (BCF = 9.255)

Log BAF Arnot-Gobas method (upper trophic) = 3.602 (BAF = 4000)

log Kow used: 9.68 (estimated)

Volatilization from Water:

Henry LC: 0.00164 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 2.489 hours

Half-Life from Model Lake : 178.7 hours (7.446 days)

Removal In Wastewater Treatment:

Total removal: 94.04 percent

Total biodegradation: 0.78 percent

Total sludge adsorption: 93.26 percent

Total to Air: 0.00 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 0.561 7.94 1000

Water 22.3 360 1000

Soil 76.6 720 1000

Sediment 0.469 3.24e+003 0

Persistence Time: 516 hr

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