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CAS Number: 56-23-5


CHEM : Methane, tetrachloro-


MOL WT : 153.82

------------------------------ EPI SUMMARY (v4.00) --------------------------

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 v1.67 estimate) = 2.44

Log Kow (Exper. database match) = 2.83

Exper. Ref: HANSCH,C ET AL. (1995)

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

Boiling Pt (deg C): 80.36 (Adapted Stein & Brown method)

Melting Pt (deg C): -58.38 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 99.5 (Mean VP of Antoine & Grain methods)

VP (Pa, 25 deg C) : 1.33E+004 (Mean VP of Antoine & Grain methods)

MP (exp database): -23 deg C

BP (exp database): 76.8 deg C

VP (exp database): 1.15E+02 mm Hg (1.53E+004 Pa) at 25 deg C

Water Solubility Estimate from Log Kow (WSKOW v1.41):

Water Solubility at 25 deg C (mg/L): 279.5

log Kow used: 2.83 (expkow database)

no-melting pt equation used

Water Sol (Exper. database match) = 793 mg/L (25 deg C)

Exper. Ref: HORVATH,AL (1982)

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 1721.1 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:

Neutral Organics

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

Bond Method : 2.54E-002 atm-m3/mole (2.57E+003 Pa-m3/mole)

Group Method: 3.00E-002 atm-m3/mole (3.04E+003 Pa-m3/mole)

Exper Database: 2.76E-02 atm-m3/mole (2.80E+003 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: 7.205E-002 atm-m3/mole (7.301E+003 Pa-m3/mole)

VP: 99.5 mm Hg (source: MPBPVP)

WS: 280 mg/L (source: WSKOWWIN)

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

Log Kow used: 2.83 (exp database)

Log Kaw used: 0.052 (exp database)

Log Koa (KOAWIN v1.10 estimate): 2.778

Log Koa (experimental database): 2.790

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.0448

Biowin2 (Non-Linear Model) : 0.0002

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 1.9544 (months )

Biowin4 (Primary Survey Model) : 3.0699 (weeks )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.3265

Biowin6 (MITI Non-Linear Model): 0.0167

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.4432

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): 1.53E+004 Pa (115 mm Hg)

Log Koa (Exp database): 2.790

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

Mackay model : 1.96E-010

Octanol/air (Koa) model: 1.51E-010

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 7.07E-009

Mackay model : 1.57E-008

Octanol/air (Koa) model: 1.21E-008

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 0.0000 E-12 cm3/molecule-sec

Half-Life = -------

Ozone Reaction:

No Ozone Reaction Estimation

Fraction sorbed to airborne particulates (phi):

1.14E-008 (Junge-Pankow, Mackay avg)

1.21E-008 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 43.89 L/kg (MCI method)

Log Koc: 1.642 (MCI method)

Koc : 285.6 L/kg (Kow method)

Log Koc: 2.456 (Kow method)

Experimental Log Koc: 1.85 (database)

Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:

Rate constants can NOT be estimated for this structure!

Bioaccumulation Estimates (BCFBAF v3.00):

Log BCF from regression-based method = 1.534 (BCF = 34.22 L/kg wet-wt)

Log Biotransformation Half-life (HL) = 0.0829 days (HL = 1.21 days)

Log BCF Arnot-Gobas method (upper trophic) = 1.275 (BCF = 18.82)

Log BAF Arnot-Gobas method (upper trophic) = 1.275 (BAF = 18.82)

log Kow used: 2.83 (expkow database)

Volatilization from Water:

Henry LC: 0.0276 atm-m3/mole (Henry experimental database)

Half-Life from Model River: 1.292 hours

Half-Life from Model Lake : 118.1 hours (4.92 days)

Removal In Wastewater Treatment:

Total removal: 91.57 percent

Total biodegradation: 0.03 percent

Total sludge adsorption: 2.02 percent

Total to Air: 89.51 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 49.4 1e+005 1000

Water 47.8 1.44e+003 1000

Soil 2.64 2.88e+003 1000

Sediment 0.196 1.3e+004 0

Persistence Time: 177 hr

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