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CAS Num: 007783-20-2
SMILES : N(H)(H)(H)(H)OS(=O)(=O)ON(H)(H)(H)(H)
CHEM : AMMONIUM SULFATE
MOL FOR: H8 N2 O4 S1
MOL WT : 132.13
------------------------------ 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):
*** WARNING: Inorganic Compound (Outside Estimation Domain)
Log Kow (KOWWIN v1.67 estimate) = 0.48
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):
*** WARNING: Inorganic Compound (Outside Estimate Domain) ***
*** WARNING: Estimations NOT VALID ***
Boiling Pt (deg C): 871.96 (Adapted Stein & Brown method)
Melting Pt (deg C): 349.84 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 6.63E-022 (Modified Grain method)
VP (Pa, 25 deg C) : 8.83E-020 (Modified Grain method)
Subcooled liquid VP: 3.4E-018 mm Hg (25 deg C, Mod-Grain method)
: 4.53E-016 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.41):
*** WARNING: Inorganic Compound (Outside Estimation Domain)**
Water Solubility at 25 deg C (mg/L): 3.516e+004
log Kow used: 0.48 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
*** WARNING: Inorganic Compound (Outside Estimation Domain)***
*** WARNING: Wat Sol Estimation NOT Valid ***
Wat Sol (v1.01 est) = 565.9 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Neutral Organics
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
*** WARNING: Inorganic Compound (Outside Estimation Domain) **
*** WARNING: Estimation NOT VALID **
Bond Method : 5.87E-022 atm-m3/mole (5.95E-017 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: 3.278E-027 atm-m3/mole (3.322E-022 Pa-m3/mole)
VP: 6.63E-022 mm Hg (source: MPBPVP)
WS: 3.52E+004 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
*** WARNING: Inorganic Compound (Outside Estimation Domain)**
*** WARNING: Estimation NOT VALID ***
Log Kow used: 0.48 (KowWin est)
Log Kaw used: -19.620 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 20.100
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
*** WARNING: Inorganic Compound (Outside Estimation Domain)**
*** WARNING: Estimation NOT VALID ***
Biowin1 (Linear Model) : 0.6846
Biowin2 (Non-Linear Model) : 0.7563
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.9072 (weeks )
Biowin4 (Primary Survey Model) : 3.6571 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.3098
Biowin6 (MITI Non-Linear Model): 0.2623
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.3984
Ready Biodegradability Prediction: NO
Hydrocarbon Biodegradation (BioHCwin v1.01):
Structure incompatible with current estimation method!
Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
Vapor pressure (liquid/subcooled): 4.53E-016 Pa (3.4E-018 mm Hg)
Log Koa (Koawin est ): 20.100
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 6.62E+009
Octanol/air (Koa) model: 3.09E+007
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 1
Mackay model : 1
Octanol/air (Koa) model: 1
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
*** WARNING: Inorganic Compound (Outside Estimation Domain)***
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):
1 (Junge-Pankow, Mackay avg)
1 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
*** WARNING: Inorganic Coumpound (Outside Estimation Domain) **
*** WARNING: Estimation NOT VALID **
Koc : 8.491 L/kg (MCI method)
Log Koc: 0.929 (MCI method)
Koc : 22.49 L/kg (Kow method)
Log Koc: 1.352 (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) = -1.7287 days (HL = 0.01868 days)
Log BCF Arnot-Gobas method (upper trophic) = 0.012 (BCF = 1.029)
Log BAF Arnot-Gobas method (upper trophic) = 0.012 (BAF = 1.029)
log Kow used: 0.48 (estimated)
Volatilization from Water:
Henry LC: 5.87E-022 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 1.147E+018 hours (4.777E+016 days)
Half-Life from Model Lake : 1.251E+019 hours (5.211E+017 days)
Removal In Wastewater Treatment:
Total removal: 1.86 percent
Total biodegradation: 0.09 percent
Total sludge adsorption: 1.77 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 0.0104 1e+005 1000
Water 31.4 360 1000
Soil 68.5 720 1000
Sediment 0.0687 3.24e+003 0
Persistence Time: 633 hr