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CAS Number: 68259-00-7
SMILES : n1(OS(=O)(=O)OC)(C)ccc(C=NN(C)c2ccccc2)cc1
CHEM : Pyridinium, 1-methyl-4-[(methylphenylhydrazono)methyl]-, methyl sulfa
te
MOL FOR: C15 H19 N3 O4 S1
MOL WT : 337.40
------------------------------ EPI SUMMARY (v4.11) --------------------------
Henry LC (atm-m3/mole) : ------
Log Kow (octanol-water): ------
Boiling Point (deg C) : ------
Water Solubility (mg/L): ------
Physical Property Inputs:
Vapor Pressure (mm Hg) : ------
Melting Point (deg C) : ------
Log Octanol-Water Partition Coef (SRC):
Log Kow (KOWWIN v1.68 estimate) = -1.39
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 454.74 (Adapted Stein & Brown method)
Melting Pt (deg C): 181.82 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 8.71E-009 (Modified Grain method)
VP (Pa, 25 deg C) : 1.16E-006 (Modified Grain method)
Subcooled liquid VP: 3.75E-007 mm Hg (25 deg C, Mod-Grain method)
: 5E-005 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 1.128e+005
log Kow used: -1.39 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 70193 mg/L
ECOSAR Class Program (ECOSAR v1.11):
Class(es) found:
Hydrazines
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : Incomplete
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: 3.428E-014 atm-m3/mole (3.473E-009 Pa-m3/mole)
VP: 8.71E-009 mm Hg (source: MPBPVP)
WS: 1.13E+005 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Can Not Estimate (can not calculate HenryLC)
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.7150
Biowin2 (Non-Linear Model) : 0.5042
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.4756 (weeks-months)
Biowin4 (Primary Survey Model) : 3.3658 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : -0.2262
Biowin6 (MITI Non-Linear Model): 0.0030
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): -0.0102
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): 5E-005 Pa (3.75E-007 mm Hg)
Log Koa (): not available
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 0.06
Octanol/air (Koa) model: not available
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.684
Mackay model : 0.828
Octanol/air (Koa) model: not available
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 26.7303 E-12 cm3/molecule-sec
Half-Life = 0.400 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 4.802 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
0.756 (Junge-Pankow, Mackay avg)
not available (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 8069 L/kg (MCI method)
Log Koc: 3.907 (MCI method)
Koc : 2.823 L/kg (Kow method)
Log Koc: 0.451 (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) = -1.1896 days (HL = 0.06462 days)
Log BCF Arnot-Gobas method (upper trophic) = -0.048 (BCF = 0.8962)
Log BAF Arnot-Gobas method (upper trophic) = -0.048 (BAF = 0.8962)
log Kow used: -1.39 (estimated)
Volatilization from Water:
Henry LC: 3.43E-014 atm-m3/mole (calculated from VP/WS)
Half-Life from Model River: 3.137E+010 hours (1.307E+009 days)
Half-Life from Model Lake : 3.422E+011 hours (1.426E+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 9.43e-007 9.6 1000
Water 10.5 900 1000
Soil 84.6 1.8e+003 1000
Sediment 4.9 8.1e+003 0
Persistence Time: 1.94e+003 hr