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CAS Number: 121-57-3
SMILES : O=S(=O)(O)c(ccc(N)c1)c1
CHEM : Benzenesulfonic acid, 4-amino-
MOL FOR: C6 H7 N1 O3 S1
MOL WT : 173.19
------------------------------ EPI SUMMARY (v4.10) --------------------------
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):
Log Kow (KOWWIN v1.68 estimate) = -2.08
Log Kow (Exper. database match) = -2.16
Exper. Ref: OKAMOTO,H ET AL. (1991)
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 363.26 (Adapted Stein & Brown method)
Melting Pt (deg C): 128.14 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 2.62E-009 (Modified Grain method)
VP (Pa, 25 deg C) : 3.49E-007 (Modified Grain method)
MP (exp database): 288 deg C
Subcooled liquid VP: 2.17E-006 mm Hg (25 deg C, Mod-Grain method)
: 0.000289 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 4.153e+004
log Kow used: -2.16 (expkow database)
no-melting pt equation used
Water Sol (Exper. database match) = 1.08e+004 mg/L (20 deg C)
Exper. Ref: YALKOWSKY,SH & DANNENFELSER,RM (1992)
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 1e+006 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Anilines (Aromatic Amines)-acid
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 8.89E-013 atm-m3/mole (9.01E-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: 1.438E-014 atm-m3/mole (1.457E-009 Pa-m3/mole)
VP: 2.62E-009 mm Hg (source: MPBPVP)
WS: 4.15E+004 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: -2.16 (exp database)
Log Kaw used: -10.440 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 8.280
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.2076
Biowin2 (Non-Linear Model) : 0.0843
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.8237 (weeks )
Biowin4 (Primary Survey Model) : 3.5111 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.0942
Biowin6 (MITI Non-Linear Model): 0.0730
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): -0.2003
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): 0.000289 Pa (2.17E-006 mm Hg)
Log Koa (Koawin est ): 8.280
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 0.0104
Octanol/air (Koa) model: 4.68E-005
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.272
Mackay model : 0.453
Octanol/air (Koa) model: 0.00373
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 23.1544 E-12 cm3/molecule-sec
Half-Life = 0.462 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 5.543 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
0.363 (Junge-Pankow, Mackay avg)
0.00373 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 10 L/kg (MCI method)
Log Koc: 1.000 (MCI method)
Koc : 0.5114 L/kg (Kow method)
Log Koc: -0.291 (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) = -2.2715 days (HL = 0.005352 days)
Log BCF Arnot-Gobas method (upper trophic) = -0.049 (BCF = 0.8931)
Log BAF Arnot-Gobas method (upper trophic) = -0.049 (BAF = 0.8931)
log Kow used: -2.16 (expkow database)
Volatilization from Water:
Henry LC: 8.89E-013 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 8.667E+008 hours (3.611E+007 days)
Half-Life from Model Lake : 9.455E+009 hours (3.94E+008 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 0.00064 11.1 1000
Water 30.6 360 1000
Soil 69.4 720 1000
Sediment 0.0688 3.24e+003 0
Persistence Time: 640 hr