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CAS Num: 000091-51-0

SMILES : O=C(OC)c(cccc1)c1N=CC(Cc(ccc(c2)C(C)(C)C)c2)C

CHEM : Benzoic acid, 2- 3- 4-(1,1-dimethylethyl)phenyl -2-methylpropylidene

amino -, methyl ester

MOL FOR: C22 H27 N1 O2

MOL WT : 337.47

------------------------------ 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) = 6.35

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

Boiling Pt (deg C): 411.05 (Adapted Stein & Brown method)

Melting Pt (deg C): 140.78 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 3.03E-007 (Modified Grain method)

VP (Pa, 25 deg C) : 4.04E-005 (Modified Grain method)

Subcooled liquid VP: 4.47E-006 mm Hg (25 deg C, Mod-Grain method)

: 0.000596 Pa (25 deg C, Mod-Grain method)

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

Water Solubility at 25 deg C (mg/L): 0.02806

log Kow used: 6.35 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 0.13441 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:


Schiff Bases

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

Bond Method : 3.83E-006 atm-m3/mole (3.88E-001 Pa-m3/mole)

Group Method: Incomplete

For Henry LC Comparison Purposes:

User-Entered Henry LC: not entered

Henrys LC [via VP/WSol estimate using User-Entered or Estimated values]:

HLC: 4.795E-006 atm-m3/mole (4.858E-001 Pa-m3/mole)

VP: 3.03E-007 mm Hg (source: MPBPVP)

WS: 0.0281 mg/L (source: WSKOWWIN)

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

Log Kow used: 6.35 (KowWin est)

Log Kaw used: -3.805 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 10.155

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.6318

Biowin2 (Non-Linear Model) : 0.7595

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 2.3067 (weeks-months)

Biowin4 (Primary Survey Model) : 3.3678 (days-weeks )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.0303

Biowin6 (MITI Non-Linear Model): 0.0256

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): -0.9411

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): 0.000596 Pa (4.47E-006 mm Hg)

Log Koa (Koawin est ): 10.155

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

Mackay model : 0.00503

Octanol/air (Koa) model: 0.00351

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 0.154

Mackay model : 0.287

Octanol/air (Koa) model: 0.219

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 13.6423 E-12 cm3/molecule-sec

Half-Life = 0.784 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 9.408 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Fraction sorbed to airborne particulates (phi):

0.22 (Junge-Pankow, Mackay avg)

0.219 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 2.873E+005 L/kg (MCI method)

Log Koc: 5.458 (MCI method)

Koc : 2.354E+004 L/kg (Kow method)

Log Koc: 4.372 (Kow method)

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

Total Kb for pH > 8 at 25 deg C : 3.998E-002 L/mol-sec

Kb Half-Life at pH 8: 200.670 days

Kb Half-Life at pH 7: 5.494 years

(Total Kb applies only to esters, carbmates, alkyl halides)

Bioaccumulation Estimates (BCFBAF v3.00):

Log BCF from regression-based method = 3.854 (BCF = 7145 L/kg wet-wt)

Log Biotransformation Half-life (HL) = 0.4491 days (HL = 2.813 days)

Log BCF Arnot-Gobas method (upper trophic) = 2.895 (BCF = 784.3)

Log BAF Arnot-Gobas method (upper trophic) = 3.156 (BAF = 1433)

log Kow used: 6.35 (estimated)

Volatilization from Water:

Henry LC: 3.83E-006 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 282.7 hours (11.78 days)

Half-Life from Model Lake : 3238 hours (134.9 days)

Removal In Wastewater Treatment:

Total removal: 93.19 percent

Total biodegradation: 0.77 percent

Total sludge adsorption: 92.41 percent

Total to Air: 0.00 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 0.27 18.8 1000

Water 4.88 900 1000

Soil 40.6 1.8e+003 1000

Sediment 54.2 8.1e+003 0

Persistence Time: 2.35e+003 hr

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