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CAS Num: 000060-35-5


CHEM : Acetamide

MOL FOR: C2 H5 N1 O1

MOL WT : 59.07

------------------------------ 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) = -1.16

Log Kow (Exper. database match) = -1.26

Exper. Ref: HANSCH,C ET AL. (1995)

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

Boiling Pt (deg C): 177.41 (Adapted Stein & Brown method)

Melting Pt (deg C): 11.01 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 0.0323 (Modified Grain method)

VP (Pa, 25 deg C) : 4.3 (Modified Grain method)

MP (exp database): 81 deg C

BP (exp database): 222 deg C

VP (exp database): 4.00E-02 mm Hg (5.33E+000 Pa) at 25 deg C

Subcooled liquid VP: 0.143 mm Hg (25 deg C, exp database VP )

: 19.1 Pa (25 deg C, exp database VP )

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

Water Solubility at 25 deg C (mg/L): 1e+006

log Kow used: -1.26 (expkow database)

no-melting pt equation used

Water Sol (Exper. database match) = 2.25e+006 mg/L (25 deg C)


Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 1e+006 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:


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

Bond Method : 1.12E-008 atm-m3/mole (1.13E-003 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: 2.510E-009 atm-m3/mole (2.544E-004 Pa-m3/mole)

VP: 0.0323 mm Hg (source: MPBPVP)

WS: 1E+006 mg/L (source: WSKOWWIN)

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

Log Kow used: -1.26 (exp database)

Log Kaw used: -6.339 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 5.079

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.9296

Biowin2 (Non-Linear Model) : 0.9923

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 3.0144 (weeks )

Biowin4 (Primary Survey Model) : 3.9679 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.6635

Biowin6 (MITI Non-Linear Model): 0.8489

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.1886

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): 19.1 Pa (0.143 mm Hg)

Log Koa (Koawin est ): 5.079

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

Mackay model : 1.57E-007

Octanol/air (Koa) model: 2.94E-008

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 5.68E-006

Mackay model : 1.26E-005

Octanol/air (Koa) model: 2.36E-006

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 2.1020 E-12 cm3/molecule-sec

Half-Life = 5.088 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 61.062 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Fraction sorbed to airborne particulates (phi):

9.14E-006 (Junge-Pankow, Mackay avg)

2.36E-006 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 2.985 L/kg (MCI method)

Log Koc: 0.475 (MCI method)

Koc : 1.676 L/kg (Kow method)

Log Koc: 0.224 (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 = 0.500 (BCF = 3.162 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -2.4259 days (HL = 0.003751 days)

Log BCF Arnot-Gobas method (upper trophic) = -0.049 (BCF = 0.8941)

Log BAF Arnot-Gobas method (upper trophic) = -0.049 (BAF = 0.8941)

log Kow used: -1.26 (expkow database)

Volatilization from Water:

Henry LC: 1.12E-008 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 4.018E+004 hours (1674 days)

Half-Life from Model Lake : 4.384E+005 hours (1.827E+004 days)

Removal In Wastewater Treatment:

Total removal: 1.85 percent

Total biodegradation: 0.09 percent

Total sludge adsorption: 1.75 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 0.245 122 1000

Water 35.9 360 1000

Soil 63.7 720 1000

Sediment 0.0703 3.24e+003 0

Persistence Time: 587 hr

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