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CAS Number: 133-53-9
SMILES : Oc(c(c(c(c1C)CL)C)CL)c1
CHEM : Phenol, 2,4-dichloro-3,5-dimethyl-
MOL FOR: C8 H8 CL2 O1
MOL WT : 191.06
------------------------------ 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) = 3.90
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 268.55 (Adapted Stein & Brown method)
Melting Pt (deg C): 67.93 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.0011 (Modified Grain method)
VP (Pa, 25 deg C) : 0.146 (Modified Grain method)
MP (exp database): 83 deg C
Subcooled liquid VP: 0.00393 mm Hg (25 deg C, Mod-Grain method)
: 0.524 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 86.84
log Kow used: 3.90 (estimated)
no-melting pt equation used
Water Sol (Exper. database match) = 200 mg/L ( deg C)
Exper. Ref: MERCK INDEX (1996)
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 342.29 mg/L
ECOSAR Class Program (ECOSAR v1.11):
Class(es) found:
Phenols
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 3.75E-007 atm-m3/mole (3.80E-002 Pa-m3/mole)
Group Method: 5.48E-007 atm-m3/mole (5.55E-002 Pa-m3/mole)
For Henry LC Comparison Purposes:
User-Entered Henry LC: not entered
Henrys LC [via VP/WSol estimate using User-Entered or Estimated values]:
HLC: 3.184E-006 atm-m3/mole (3.227E-001 Pa-m3/mole)
VP: 0.0011 mm Hg (source: MPBPVP)
WS: 86.8 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 3.90 (KowWin est)
Log Kaw used: -4.814 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 8.714
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.5169
Biowin2 (Non-Linear Model) : 0.1581
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.2704 (weeks-months)
Biowin4 (Primary Survey Model) : 3.1440 (weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.3115
Biowin6 (MITI Non-Linear Model): 0.0993
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): -0.7267
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): 0.524 Pa (0.00393 mm Hg)
Log Koa (Koawin est ): 8.714
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 5.73E-006
Octanol/air (Koa) model: 0.000127
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.000207
Mackay model : 0.000458
Octanol/air (Koa) model: 0.0101
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 19.7744 E-12 cm3/molecule-sec
Half-Life = 0.541 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 6.491 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Reaction With Nitrate Radicals May Be Important!
Fraction sorbed to airborne particulates (phi):
0.000332 (Junge-Pankow, Mackay avg)
0.0101 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 1345 L/kg (MCI method)
Log Koc: 3.129 (MCI method)
Koc : 1775 L/kg (Kow method)
Log Koc: 3.249 (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 = 2.238 (BCF = 172.9 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -0.5261 days (HL = 0.2978 days)
Log BCF Arnot-Gobas method (upper trophic) = 2.041 (BCF = 109.9)
Log BAF Arnot-Gobas method (upper trophic) = 2.041 (BAF = 109.9)
log Kow used: 3.90 (estimated)
Volatilization from Water:
Henry LC: 5.48E-007 atm-m3/mole (estimated by Group SAR Method)
Half-Life from Model River: 1478 hours (61.59 days)
Half-Life from Model Lake : 1.624E+004 hours (676.7 days)
Removal In Wastewater Treatment:
Total removal: 25.74 percent
Total biodegradation: 0.29 percent
Total sludge adsorption: 25.43 percent
Total to Air: 0.02 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 0.439 13 1000
Water 17.4 900 1000
Soil 80.9 1.8e+003 1000
Sediment 1.31 8.1e+003 0
Persistence Time: 1.11e+003 hr