This page contains the EPI System Summary only.
For complete control of this information -
Download the free EPI SuiteTM v4.0 program : here
also you can go back to the Datasheet
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