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CAS Number: 51-78-5

SMILES : c(cc(c1)N(CL)(H)(H)(H))c(c1)O

CHEM : 4-Aminophenol hydrochloride

MOL FOR: C6 H8 CL1 N1 O1

MOL WT : 145.59

------------------------------ 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) = -3.09

Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):

Boiling Pt (deg C): 401.63 (Adapted Stein & Brown method)

Melting Pt (deg C): 166.65 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 1.17E-009 (Modified Grain method)

VP (Pa, 25 deg C) : 1.56E-007 (Modified Grain method)

MP (exp database): 305 dec deg C

Subcooled liquid VP: 1.59E-006 mm Hg (25 deg C, Mod-Grain method)

: 0.000212 Pa (25 deg C, Mod-Grain method)

Water Solubility Estimate from Log Kow (WSKOW v1.42):

Water Solubility at 25 deg C (mg/L): 1e+006

log Kow used: -3.09 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 44339 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:

Phenols

Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:

Bond Method : 1.84E-017 atm-m3/mole (1.86E-012 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: 2.241E-016 atm-m3/mole (2.271E-011 Pa-m3/mole)

VP: 1.17E-009 mm Hg (source: MPBPVP)

WS: 1E+006 mg/L (source: WSKOWWIN)

Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:

Log Kow used: -3.09 (KowWin est)

Log Kaw used: -15.124 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 12.034

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.7940

Biowin2 (Non-Linear Model) : 0.8641

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 2.9338 (weeks )

Biowin4 (Primary Survey Model) : 3.6774 (days-weeks )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.3668

Biowin6 (MITI Non-Linear Model): 0.3886

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.0974

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): 0.000212 Pa (1.59E-006 mm Hg)

Log Koa (Koawin est ): 12.034

Kp (particle/gas partition coef. (m3/ug)):

Mackay model : 0.0142

Octanol/air (Koa) model: 0.265

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 0.338

Mackay model : 0.531

Octanol/air (Koa) model: 0.955

Atmospheric Oxidation (25 deg C) [AopWin v1.92]:

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 7.2652 E-12 cm3/molecule-sec

Half-Life = 1.472 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 17.667 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Reaction With Nitrate Radicals May Be Important!

Fraction sorbed to airborne particulates (phi):

0.435 (Junge-Pankow, Mackay avg)

0.955 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 172.1 L/kg (MCI method)

Log Koc: 2.236 (MCI method)

Koc : 0.2297 L/kg (Kow method)

Log Koc: -0.639 (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) = -2.6942 days (HL = 0.002022 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: -3.09 (estimated)

Volatilization from Water:

Henry LC: 1.84E-017 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 3.839E+013 hours (1.6E+012 days)

Half-Life from Model Lake : 4.188E+014 hours (1.745E+013 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 1.04e-008 35.3 1000

Water 18.1 360 1000

Soil 81.8 720 1000

Sediment 0.154 3.24e+003 0

Persistence Time: 760 hr

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