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CAS Num: 000075-09-2
SMILES : CLCCL
CHEM : Methane, dichloro-
MOL FOR: C1 H2 CL2
MOL WT : 84.93
------------------------------ EPI SUMMARY (v4.00) --------------------------
Physical Property Inputs:
Water Solubility (mg/L): ------
Vapor Pressure (mm Hg) : ------
Henry LC (atm-m3/mole) : ------
Log Kow (octanol-water): ------
Boiling Point (deg C) : ------
Melting Point (deg C) : ------
Log Octanol-Water Partition Coef (SRC):
Log Kow (KOWWIN v1.67 estimate) = 1.34
Log Kow (Exper. database match) = 1.25
Exper. Ref: HANSCH,C ET AL. (1995)
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):
Boiling Pt (deg C): 80.42 (Adapted Stein & Brown method)
Melting Pt (deg C): -89.50 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 432 (Mean VP of Antoine & Grain methods)
VP (Pa, 25 deg C) : 5.75E+004 (Mean VP of Antoine & Grain methods)
MP (exp database): -95.1 deg C
BP (exp database): 40 deg C
VP (exp database): 4.35E+02 mm Hg (5.80E+004 Pa) at 25 deg C
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 1.095e+004
log Kow used: 1.25 (expkow database)
no-melting pt equation used
Water Sol (Exper. database match) = 1.3e+004 mg/L (25 deg C)
Exper. Ref: HORVATH,AL (1982)
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 11665 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Neutral Organics
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 9.14E-003 atm-m3/mole (9.26E+002 Pa-m3/mole)
Group Method: 3.01E-003 atm-m3/mole (3.05E+002 Pa-m3/mole)
Exper Database: 3.25E-03 atm-m3/mole (3.29E+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: 4.409E-003 atm-m3/mole (4.467E+002 Pa-m3/mole)
VP: 432 mm Hg (source: MPBPVP)
WS: 1.1E+004 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 1.25 (exp database)
Log Kaw used: -0.877 (exp database)
Log Koa (KOAWIN v1.10 estimate): 2.127
Log Koa (experimental database): 2.270
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.4843
Biowin2 (Non-Linear Model) : 0.1298
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.6651 (weeks-months)
Biowin4 (Primary Survey Model) : 3.5240 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.5111
Biowin6 (MITI Non-Linear Model): 0.3154
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.8328
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): 5.8E+004 Pa (435 mm Hg)
Log Koa (Exp database): 2.270
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 5.17E-011
Octanol/air (Koa) model: 4.57E-011
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 1.87E-009
Mackay model : 4.14E-009
Octanol/air (Koa) model: 3.66E-009
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 0.1349 E-12 cm3/molecule-sec
Half-Life = 79.306 Days (12-hr day; 1.5E6 OH/cm3)
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
3E-009 (Junge-Pankow, Mackay avg)
3.66E-009 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 21.73 L/kg (MCI method)
Log Koc: 1.337 (MCI method)
Koc : 12.15 L/kg (Kow method)
Log Koc: 1.084 (Kow method)
Experimental Log Koc: 1.44 (database)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Total Kb for pH > 8 at 25 deg C : 5.095E-009 L/mol-sec
Kb Half-Life at pH 8: 4.311E+006 years
Kb Half-Life at pH 7: 4.311E+007 years
(Total Kb applies only to esters, carbmates, alkyl halides)
Bioaccumulation Estimates (BCFBAF v3.00):
Log BCF from regression-based method = 0.492 (BCF = 3.103 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -0.6250 days (HL = 0.2371 days)
Log BCF Arnot-Gobas method (upper trophic) = 0.420 (BCF = 2.63)
Log BAF Arnot-Gobas method (upper trophic) = 0.420 (BAF = 2.63)
log Kow used: 1.25 (expkow database)
Volatilization from Water:
Henry LC: 0.00325 atm-m3/mole (Henry experimental database)
Half-Life from Model River: 1.106 hours
Half-Life from Model Lake : 89.34 hours (3.723 days)
Removal In Wastewater Treatment:
Total removal: 56.91 percent
Total biodegradation: 0.05 percent
Total sludge adsorption: 0.96 percent
Total to Air: 55.90 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 43.8 1.81e+003 1000
Water 45 900 1000
Soil 11 1.8e+003 1000
Sediment 0.132 8.1e+003 0
Persistence Time: 186 hr