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CAS Number: 28474-30-8

SMILES : O=C(OCC(O)CO)C(=C)C

CHEM :

MOL FOR: C7 H12 O4

MOL WT : 160.17

------------------------------ EPI SUMMARY (v4.10) --------------------------

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 v1.68 estimate) = -0.34

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

Boiling Pt (deg C): 268.48 (Adapted Stein & Brown method)

Melting Pt (deg C): 35.92 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 0.000469 (Modified Grain method)

VP (Pa, 25 deg C) : 0.0625 (Modified Grain method)

Subcooled liquid VP: 0.000588 mm Hg (25 deg C, Mod-Grain method)

: 0.0784 Pa (25 deg C, Mod-Grain method)

Water Solubility Estimate from Log Kow (WSKOW v1.42):

Water Solubility at 25 deg C (mg/L): 1.332e+005

log Kow used: -0.34 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 1e+006 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:

Methacrylates

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

Bond Method : 3.41E-010 atm-m3/mole (3.46E-005 Pa-m3/mole)

Group Method: 1.23E-013 atm-m3/mole (1.24E-008 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: 7.421E-010 atm-m3/mole (7.519E-005 Pa-m3/mole)

VP: 0.000469 mm Hg (source: MPBPVP)

WS: 1.33E+005 mg/L (source: WSKOWWIN)

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

Log Kow used: -0.34 (KowWin est)

Log Kaw used: -7.856 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 7.516

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 1.1629

Biowin2 (Non-Linear Model) : 0.9991

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 3.3054 (days-weeks )

Biowin4 (Primary Survey Model) : 4.1045 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.9626

Biowin6 (MITI Non-Linear Model): 0.9605

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.9330

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): 0.0784 Pa (0.000588 mm Hg)

Log Koa (Koawin est ): 7.516

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

Mackay model : 3.83E-005

Octanol/air (Koa) model: 8.05E-006

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 0.00138

Mackay model : 0.00305

Octanol/air (Koa) model: 0.000644

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 34.5376 E-12 cm3/molecule-sec

Half-Life = 0.310 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 3.716 Hrs

Ozone Reaction:

OVERALL Ozone Rate Constant = 1.137500 E-17 cm3/molecule-sec

Half-Life = 1.007 Days (at 7E11 mol/cm3)

Half-Life = 24.179 Hrs

Fraction sorbed to airborne particulates (phi):

0.00222 (Junge-Pankow, Mackay avg)

0.000644 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 10 L/kg (MCI method)

Log Koc: 1.000 (MCI method)

Koc : 0.7056 L/kg (Kow method)

Log Koc: -0.151 (Kow method)

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

Total Kb for pH > 8 at 25 deg C : 3.214E-003 L/mol-sec

Kb Half-Life at pH 8: 6.834 years

Kb Half-Life at pH 7: 68.343 years

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

Bioaccumulation Estimates (BCFBAF v3.01):

Log BCF from regression-based method = 0.500 (BCF = 3.162 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -2.6358 days (HL = 0.002313 days)

Log BCF Arnot-Gobas method (upper trophic) = -0.045 (BCF = 0.9019)

Log BAF Arnot-Gobas method (upper trophic) = -0.045 (BAF = 0.9019)

log Kow used: -0.34 (estimated)

Volatilization from Water:

Henry LC: 3.41E-010 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 2.173E+006 hours (9.054E+004 days)

Half-Life from Model Lake : 2.371E+007 hours (9.877E+005 days)

Removal In Wastewater Treatment:

Total removal: 1.85 percent

Total biodegradation: 0.09 percent

Total sludge adsorption: 1.76 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 0.0111 5.68 1000

Water 28.2 208 1000

Soil 71.7 416 1000

Sediment 0.0594 1.87e+003 0

Persistence Time: 411 hr

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