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CAS Num: 000105-67-9

SMILES : Oc(c(cc(c1)C)C)c1

CHEM : Phenol, 2,4-dimethyl-

MOL FOR: C8 H10 O1

MOL WT : 122.17

------------------------------ 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) = 2.61

Log Kow (Exper. database match) = 2.30

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

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

Boiling Pt (deg C): 210.67 (Adapted Stein & Brown method)

Melting Pt (deg C): 25.37 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 0.104 (Mean VP of Antoine & Grain methods)

VP (Pa, 25 deg C) : 13.9 (Mean VP of Antoine & Grain methods)

MP (exp database): 24.5 deg C

BP (exp database): 210.9 deg C

VP (exp database): 1.02E-01 mm Hg (1.36E+001 Pa) at 25 deg C

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

Water Solubility at 25 deg C (mg/L): 4068

log Kow used: 2.30 (expkow database)

no-melting pt equation used

Water Sol (Exper. database match) = 7870 mg/L (25 deg C)

Exper. Ref: BANERJEE,S ET AL. (1980)

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 5296.4 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:


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

Bond Method : 6.83E-007 atm-m3/mole (6.92E-002 Pa-m3/mole)

Group Method: 7.56E-007 atm-m3/mole (7.66E-002 Pa-m3/mole)

Exper Database: 9.51E-07 atm-m3/mole (9.64E-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: 4.110E-006 atm-m3/mole (4.164E-001 Pa-m3/mole)

VP: 0.104 mm Hg (source: MPBPVP)

WS: 4.07E+003 mg/L (source: WSKOWWIN)

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

Log Kow used: 2.30 (exp database)

Log Kaw used: -4.410 (exp database)

Log Koa (KOAWIN v1.10 estimate): 6.710

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.9145

Biowin2 (Non-Linear Model) : 0.9657

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 2.8359 (weeks )

Biowin4 (Primary Survey Model) : 3.5741 (days-weeks )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.5205

Biowin6 (MITI Non-Linear Model): 0.6135

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): -0.1130

Ready Biodegradability Prediction: YES

Hydrocarbon Biodegradation (BioHCwin v1.01):

Structure incompatible with current estimation method!

Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:

Vapor pressure (liquid/subcooled): 13.6 Pa (0.102 mm Hg)

Log Koa (Koawin est ): 6.710

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

Mackay model : 2.21E-007

Octanol/air (Koa) model: 1.26E-006

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 7.97E-006

Mackay model : 1.76E-005

Octanol/air (Koa) model: 0.000101

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 50.4938 E-12 cm3/molecule-sec

Half-Life = 0.212 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 2.542 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Reaction With Nitrate Radicals May Be Important!

Fraction sorbed to airborne particulates (phi):

1.28E-005 (Junge-Pankow, Mackay avg)

0.000101 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 491.8 L/kg (MCI method)

Log Koc: 2.692 (MCI method)

Koc : 231.3 L/kg (Kow method)

Log Koc: 2.364 (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 = 1.185 (BCF = 15.29 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -1.0630 days (HL = 0.0865 days)

Log BCF Arnot-Gobas method (upper trophic) = 1.091 (BCF = 12.33)

Log BAF Arnot-Gobas method (upper trophic) = 1.091 (BAF = 12.33)

log Kow used: 2.30 (expkow database)

Volatilization from Water:

Henry LC: 9.51E-007 atm-m3/mole (Henry experimental database)

Half-Life from Model River: 681.6 hours (28.4 days)

Half-Life from Model Lake : 7528 hours (313.7 days)

Removal In Wastewater Treatment:

Total removal: 2.69 percent

Total biodegradation: 0.10 percent

Total sludge adsorption: 2.54 percent

Total to Air: 0.05 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 0.352 3.59 1000

Water 25.2 360 1000

Soil 74 720 1000

Sediment 0.488 3.24e+003 0

Persistence Time: 462 hr

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