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CAS Num: 000540-69-2

SMILES : O=CON(H)(H)(H)H

CHEM : Formic acid, ammonium salt

MOL FOR: C1 H5 N1 O2

MOL WT : 63.06

------------------------------ 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) = -3.34

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

Boiling Pt (deg C): 299.80 (Adapted Stein & Brown method)

Melting Pt (deg C): 106.78 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 0.000249 (Modified Grain method)

VP (Pa, 25 deg C) : 0.0332 (Modified Grain method)

MP (exp database): 116 deg C

Subcooled liquid VP: 0.00197 mm Hg (25 deg C, Mod-Grain method)

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

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

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

log Kow used: -3.34 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 3.1723e+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 : 3.60E-015 atm-m3/mole (3.65E-010 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: 2.066E-011 atm-m3/mole (2.093E-006 Pa-m3/mole)

VP: 0.000249 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: -3.34 (KowWin est)

Log Kaw used: -12.832 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 9.492

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.7175

Biowin2 (Non-Linear Model) : 0.8922

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 3.0598 (weeks )

Biowin4 (Primary Survey Model) : 3.7568 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.5153

Biowin6 (MITI Non-Linear Model): 0.7232

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.3984

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): 0.263 Pa (0.00197 mm Hg)

Log Koa (Koawin est ): 9.492

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

Mackay model : 1.14E-005

Octanol/air (Koa) model: 0.000762

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 0.000412

Mackay model : 0.000913

Octanol/air (Koa) model: 0.0575

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 0.0000 E-12 cm3/molecule-sec

Half-Life = -------

Ozone Reaction:

No Ozone Reaction Estimation

Fraction sorbed to airborne particulates (phi):

0.000663 (Junge-Pankow, Mackay avg)

0.0575 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 1 L/kg (MCI method)

Log Koc: 0.000 (MCI method)

Koc : 0.07053 L/kg (Kow method)

Log Koc: -1.152 (Kow method)

Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:

Total Kb for pH > 8 at 25 deg C : 6.024E+002 L/mol-sec

Kb Half-Life at pH 8: 19.175 minutes

Kb Half-Life at pH 7: 3.196 hours

(Total Kb applies only to esters, carbmates, alkyl halides)

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) = -2.7242 days (HL = 0.001887 days)

Log BCF Arnot-Gobas method (upper trophic) = -0.049 (BCF = 0.893)

Log BAF Arnot-Gobas method (upper trophic) = -0.049 (BAF = 0.893)

log Kow used: -3.34 (estimated)

Volatilization from Water:

Henry LC: 3.6E-015 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 1.291E+011 hours (5.381E+009 days)

Half-Life from Model Lake : 1.409E+012 hours (5.87E+010 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 8.37e-008 1e+005 1000

Water 37.7 360 1000

Soil 62.2 720 1000

Sediment 0.0706 3.24e+003 0

Persistence Time: 587 hr

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