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CAS Number: 74-89-5

SMILES : NC

CHEM : Methanamine

MOL FOR: C1 H5 N1

MOL WT : 31.06

------------------------------ EPI SUMMARY (v4.00) --------------------------

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 v1.67 estimate) = -0.64

Log Kow (Exper. database match) = -0.57

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

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

Boiling Pt (deg C): 10.16 (Adapted Stein & Brown method)

Melting Pt (deg C): -98.30 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 2.3E+003 (Mean VP of Antoine & Grain methods)

VP (Pa, 25 deg C) : 3.07E+005 (Mean VP of Antoine & Grain methods)

MP (exp database): -93.4 deg C

BP (exp database): -6.3 deg C

VP (exp database): 2.65E+03 mm Hg (3.53E+005 Pa) at 25 deg C

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

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

log Kow used: -0.57 (expkow database)

no-melting pt equation used

Water Sol (Exper. database match) = 1.08e+006 mg/L (25 deg C)

Exper. Ref: SCHWEIZER,AE ET AL. (1978)

Water Sol Estimate from Fragments:

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

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:

Aliphatic Amines

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

Bond Method : 7.58E-006 atm-m3/mole (7.68E-001 Pa-m3/mole)

Group Method: 7.22E-006 atm-m3/mole (7.31E-001 Pa-m3/mole)

Exper Database: 1.11E-05 atm-m3/mole (1.12E+000 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: 3.106E-005 atm-m3/mole (3.147E+000 Pa-m3/mole)

VP: 2.3E+003 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: -0.57 (exp database)

Log Kaw used: -3.343 (exp database)

Log Koa (KOAWIN v1.10 estimate): 2.773

Log Koa (experimental database): 1.900

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.8866

Biowin2 (Non-Linear Model) : 0.9753

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 3.1550 (weeks )

Biowin4 (Primary Survey Model) : 3.8462 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.6534

Biowin6 (MITI Non-Linear Model): 0.7964

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.9338

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): 3.53E+005 Pa (2.65E+003 mm Hg)

Log Koa (Exp database): 1.900

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

Mackay model : 8.49E-012

Octanol/air (Koa) model: 1.95E-011

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 3.07E-010

Mackay model : 6.79E-010

Octanol/air (Koa) model: 1.56E-009

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 22.2648 E-12 cm3/molecule-sec

Half-Life = 0.480 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 5.765 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Fraction sorbed to airborne particulates (phi):

4.93E-010 (Junge-Pankow, Mackay avg)

1.56E-009 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 8.098 L/kg (MCI method)

Log Koc: 0.908 (MCI method)

Koc : 3.873 L/kg (Kow method)

Log Koc: 0.588 (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) = -1.1401 days (HL = 0.07244 days)

Log BCF Arnot-Gobas method (upper trophic) = -0.039 (BCF = 0.9144)

Log BAF Arnot-Gobas method (upper trophic) = -0.039 (BAF = 0.9144)

log Kow used: -0.57 (expkow database)

Volatilization from Water:

Henry LC: 1.11E-005 atm-m3/mole (Henry experimental database)

Half-Life from Model River: 29.96 hours (1.249 days)

Half-Life from Model Lake : 373.6 hours (15.57 days)

Removal In Wastewater Treatment:

Total removal: 2.46 percent

Total biodegradation: 0.09 percent

Total sludge adsorption: 1.75 percent

Total to Air: 0.62 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 1.57 11.7 1000

Water 41 360 1000

Soil 57.3 720 1000

Sediment 0.0891 3.24e+003 0

Persistence Time: 352 hr

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