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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

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