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CAS Number: 7631-94-9
SMILES : O([Na])S(=O)(=O)S(=O)(=O)O([Na])
CHEM :
MOL FOR: O6 S2 Na2
MOL WT : 206.10
------------------------------ EPI SUMMARY (v4.11) --------------------------
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):
*** WARNING: Inorganic Compound (Outside Estimation Domain)
Log Kow (KOWWIN v1.68 estimate) = -7.18
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
*** WARNING: Inorganic Compound (Outside Estimate Domain) ***
*** WARNING: Estimations NOT VALID ***
Boiling Pt (deg C): 867.92 (Adapted Stein & Brown method)
Melting Pt (deg C): 349.84 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 8.57E-022 (Modified Grain method)
VP (Pa, 25 deg C) : 1.14E-019 (Modified Grain method)
Subcooled liquid VP: 4.39E-018 mm Hg (25 deg C, Mod-Grain method)
: 5.86E-016 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.42):
*** WARNING: Inorganic Compound (Outside Estimation Domain)**
Water Solubility at 25 deg C (mg/L): 1e+006
log Kow used: -7.18 (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) = 3.6584e+005 mg/L
ECOSAR Class Program (ECOSAR v1.11):
Class(es) found:
Inorganic Compound
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
*** WARNING: Inorganic Compound (Outside Estimation Domain) **
*** WARNING: Estimation NOT VALID **
Bond Method : 3.14E-013 atm-m3/mole (3.18E-008 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: 2.324E-028 atm-m3/mole (2.355E-023 Pa-m3/mole)
VP: 8.57E-022 mm Hg (source: MPBPVP)
WS: 1E+006 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: -7.18 (KowWin est)
Log Kaw used: -10.892 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 3.712
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) : 0.6704
Biowin2 (Non-Linear Model) : 0.6696
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.8409 (weeks )
Biowin4 (Primary Survey Model) : 3.6138 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.2298
Biowin6 (MITI Non-Linear Model): 0.1039
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.8361
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): 5.85E-016 Pa (4.39E-018 mm Hg)
Log Koa (Koawin est ): 3.712
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 5.13E+009
Octanol/air (Koa) model: 1.26E-009
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 1
Mackay model : 1
Octanol/air (Koa) model: 1.01E-007
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)
1.01E-007 (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 : 1 L/kg (MCI method)
Log Koc: 0.000 (MCI method)
Koc : 0.00189 L/kg (Kow method)
Log Koc: -2.723 (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 v3.01):
Log BCF from regression-based method = 0.500 (BCF = 3.162 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -3.2569 days (HL = 0.0005534 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: -3.88 (estimated)
Volatilization from Water:
Henry LC: 3.14E-013 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 2.677E+009 hours (1.115E+008 days)
Half-Life from Model Lake : 2.92E+010 hours (1.217E+009 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 1.55 1e+005 1000
Water 38.5 360 1000
Soil 59.8 720 1000
Sediment 0.0721 3.24e+003 0
Persistence Time: 538 hr