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CAS Num: 000109-06-8

SMILES : n(c(ccc1)C)c1

CHEM : Pyridine, 2-methyl-

MOL FOR: C6 H7 N1

MOL WT : 93.13

------------------------------ 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) = 1.35

Log Kow (Exper. database match) = 1.11

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

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

Boiling Pt (deg C): 136.41 (Adapted Stein & Brown method)

Melting Pt (deg C): -25.92 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 10.3 (Mean VP of Antoine & Grain methods)

VP (Pa, 25 deg C) : 1.38E+003 (Mean VP of Antoine & Grain methods)

MP (exp database): -66.7 deg C

BP (exp database): 129.3 deg C

VP (exp database): 1.12E+01 mm Hg (1.49E+003 Pa) at 25 deg C

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

Water Solubility at 25 deg C (mg/L): 2.749e+005

log Kow used: 1.11 (expkow database)

no-melting pt equation used

Water Sol (Exper. database match) = 1e+006 mg/L ( deg C)

Exper. Ref: RIDDICK,JA ET AL. (1986)

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 86928 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:

Neutral Organics

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

Bond Method : 7.78E-006 atm-m3/mole (7.88E-001 Pa-m3/mole)

Group Method: 8.29E-006 atm-m3/mole (8.40E-001 Pa-m3/mole)

Exper Database: 9.96E-06 atm-m3/mole (1.01E+000 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: 4.591E-006 atm-m3/mole (4.652E-001 Pa-m3/mole)

VP: 10.3 mm Hg (source: MPBPVP)

WS: 2.75E+005 mg/L (source: WSKOWWIN)

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

Log Kow used: 1.11 (exp database)

Log Kaw used: -3.390 (exp database)

Log Koa (KOAWIN v1.10 estimate): 4.500

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.6033

Biowin2 (Non-Linear Model) : 0.6514

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 2.7043 (weeks-months)

Biowin4 (Primary Survey Model) : 3.6261 (days-weeks )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.4759

Biowin6 (MITI Non-Linear Model): 0.5412

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.7237

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): 1.49E+003 Pa (11.2 mm Hg)

Log Koa (Koawin est ): 4.500

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

Mackay model : 2.01E-009

Octanol/air (Koa) model: 7.76E-009

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 7.26E-008

Mackay model : 1.61E-007

Octanol/air (Koa) model: 6.21E-007

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 1.1019 E-12 cm3/molecule-sec

Half-Life = 9.707 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 116.480 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Fraction sorbed to airborne particulates (phi):

1.17E-007 (Junge-Pankow, Mackay avg)

6.21E-007 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 115.1 L/kg (MCI method)

Log Koc: 2.061 (MCI method)

Koc : 51.93 L/kg (Kow method)

Log Koc: 1.715 (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 v3.00):

Log BCF from regression-based method = 0.399 (BCF = 2.508 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -1.1804 days (HL = 0.066 days)

Log BCF Arnot-Gobas method (upper trophic) = 0.269 (BCF = 1.858)

Log BAF Arnot-Gobas method (upper trophic) = 0.269 (BAF = 1.858)

log Kow used: 1.11 (expkow database)

Volatilization from Water:

Henry LC: 9.96E-006 atm-m3/mole (Henry experimental database)

Half-Life from Model River: 57.71 hours (2.405 days)

Half-Life from Model Lake : 710.5 hours (29.6 days)

Removal In Wastewater Treatment:

Total removal: 2.45 percent

Total biodegradation: 0.09 percent

Total sludge adsorption: 1.80 percent

Total to Air: 0.56 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 2.93 233 1000

Water 23.2 900 1000

Soil 73.7 1.8e+003 1000

Sediment 0.173 8.1e+003 0

Persistence Time: 931 hr

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