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CAS Number: 61790-31-6


CHEM : Amides, tallow, hydrogenated

MOL FOR: C18 H37 N1 O1

MOL WT : 283.50

------------------------------ EPI SUMMARY (v4.11) --------------------------

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) = 6.70

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

Boiling Pt (deg C): 411.06 (Adapted Stein & Brown method)

Melting Pt (deg C): 152.00 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 6.69E-007 (Modified Grain method)

VP (Pa, 25 deg C) : 8.92E-005 (Modified Grain method)

MP (exp database): 109 deg C

Subcooled liquid VP: 4.47E-006 mm Hg (25 deg C, Mod-Grain method)

: 0.000596 Pa (25 deg C, Mod-Grain method)

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

Water Solubility at 25 deg C (mg/L): 0.02929

log Kow used: 6.70 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 0.032448 mg/L

ECOSAR Class Program (ECOSAR v1.11):

Class(es) found:


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

Bond Method : 1.04E-006 atm-m3/mole (1.05E-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: 8.520E-006 atm-m3/mole (8.633E-001 Pa-m3/mole)

VP: 6.69E-007 mm Hg (source: MPBPVP)

WS: 0.0293 mg/L (source: WSKOWWIN)

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

Log Kow used: 6.70 (KowWin est)

Log Kaw used: -4.371 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 11.071

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.9312

Biowin2 (Non-Linear Model) : 0.9712

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 2.8168 (weeks )

Biowin4 (Primary Survey Model) : 3.9132 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.7864

Biowin6 (MITI Non-Linear Model): 0.8927

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.2867

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): 0.000596 Pa (4.47E-006 mm Hg)

Log Koa (Koawin est ): 11.071

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

Mackay model : 0.00503

Octanol/air (Koa) model: 0.0289

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 0.154

Mackay model : 0.287

Octanol/air (Koa) model: 0.698

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 27.0277 E-12 cm3/molecule-sec

Half-Life = 0.396 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 4.749 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Fraction sorbed to airborne particulates (phi):

0.22 (Junge-Pankow, Mackay avg)

0.698 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 4.626E+004 L/kg (MCI method)

Log Koc: 4.665 (MCI method)

Koc : 4.239E+004 L/kg (Kow method)

Log Koc: 4.627 (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 = 2.710 (BCF = 513.3 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -0.1352 days (HL = 0.7324 days)

Log BCF Arnot-Gobas method (upper trophic) = 2.180 (BCF = 151.2)

Log BAF Arnot-Gobas method (upper trophic) = 2.232 (BAF = 170.5)

log Kow used: 6.70 (estimated)

Volatilization from Water:

Henry LC: 1.04E-006 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 949.6 hours (39.57 days)

Half-Life from Model Lake : 1.05E+004 hours (437.5 days)

Removal In Wastewater Treatment:

Total removal: 93.66 percent

Total biodegradation: 0.78 percent

Total sludge adsorption: 92.88 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 0.653 9.5 1000

Water 18.2 360 1000

Soil 62.2 720 1000

Sediment 19 3.24e+003 0

Persistence Time: 582 hr

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