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CAS Number: 6099-57-6
SMILES : c12c(S(=O)(=O)O)ccc(O)c1cccc2
CHEM : 1-NAPHTHOL-4-SULFONIC ACID
MOL FOR: C10 H8 O4 S1
MOL WT : 224.23
------------------------------ 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):
Log Kow (KOWWIN v1.68 estimate) = -0.47
Log Kow (Exper. database match) = -0.44
Exper. Ref: HANSCH,C ET AL. (1995)
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 426.42 (Adapted Stein & Brown method)
Melting Pt (deg C): 172.96 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 9.76E-010 (Modified Grain method)
VP (Pa, 25 deg C) : 1.3E-007 (Modified Grain method)
MP (exp database): 170 dec deg C
Subcooled liquid VP: 3.07E-008 mm Hg (25 deg C, Mod-Grain method)
: 4.1E-006 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 2.952e+005
log Kow used: -0.44 (expkow database)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 1e+006 mg/L
ECOSAR Class Program (ECOSAR v1.11):
Class(es) found:
Phenols-acid
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 2.56E-014 atm-m3/mole (2.59E-009 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: 9.755E-016 atm-m3/mole (9.884E-011 Pa-m3/mole)
VP: 9.76E-010 mm Hg (source: MPBPVP)
WS: 2.95E+005 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: -0.44 (exp database)
Log Kaw used: -11.980 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 11.540
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.5328
Biowin2 (Non-Linear Model) : 0.4268
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.9022 (weeks )
Biowin4 (Primary Survey Model) : 3.5855 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.1807
Biowin6 (MITI Non-Linear Model): 0.1130
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): -0.0326
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): 4.09E-006 Pa (3.07E-008 mm Hg)
Log Koa (Koawin est ): 11.540
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 0.733
Octanol/air (Koa) model: 0.0851
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.964
Mackay model : 0.983
Octanol/air (Koa) model: 0.872
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 16.1210 E-12 cm3/molecule-sec
Half-Life = 0.663 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 7.962 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Reaction With Nitrate Radicals May Be Important!
Fraction sorbed to airborne particulates (phi):
0.973 (Junge-Pankow, Mackay avg)
0.872 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 141.8 L/kg (MCI method)
Log Koc: 2.152 (MCI method)
Koc : 7.056 L/kg (Kow method)
Log Koc: 0.849 (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) = -1.8207 days (HL = 0.01511 days)
Log BCF Arnot-Gobas method (upper trophic) = -0.042 (BCF = 0.9076)
Log BAF Arnot-Gobas method (upper trophic) = -0.042 (BAF = 0.9076)
log Kow used: -0.44 (expkow database)
Volatilization from Water:
Henry LC: 2.56E-014 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 3.425E+010 hours (1.427E+009 days)
Half-Life from Model Lake : 3.736E+011 hours (1.557E+010 days)
Removal In Wastewater Treatment:
Total removal: 1.85 percent
Total biodegradation: 0.09 percent
Total sludge adsorption: 1.76 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 1.51e-005 15.9 1000
Water 18.5 360 1000
Soil 81.4 720 1000
Sediment 0.137 3.24e+003 0
Persistence Time: 755 hr