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CAS Number: 7249-54-9

SMILES : OC(C)COC(=O)CCCCCC

CHEM : 2-hydroxypropyl heptanoate

MOL FOR: C10 H20 O3

MOL WT : 188.27

------------------------------ 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) = 2.27

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

Boiling Pt (deg C): 261.85 (Adapted Stein & Brown method)

Melting Pt (deg C): 28.34 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 0.00141 (Modified Grain method)

VP (Pa, 25 deg C) : 0.188 (Modified Grain method)

Subcooled liquid VP: 0.00151 mm Hg (25 deg C, Mod-Grain method)

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

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

Water Solubility at 25 deg C (mg/L): 1860

log Kow used: 2.27 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 2031.5 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:

Esters

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

Bond Method : 4.66E-008 atm-m3/mole (4.72E-003 Pa-m3/mole)

Group Method: 2.39E-008 atm-m3/mole (2.42E-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: 1.878E-007 atm-m3/mole (1.903E-002 Pa-m3/mole)

VP: 0.00141 mm Hg (source: MPBPVP)

WS: 1.86E+003 mg/L (source: WSKOWWIN)

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

Log Kow used: 2.27 (KowWin est)

Log Kaw used: -5.720 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 7.990

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 1.0993

Biowin2 (Non-Linear Model) : 0.9994

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 3.3816 (days-weeks )

Biowin4 (Primary Survey Model) : 4.2036 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.9036

Biowin6 (MITI Non-Linear Model): 0.9551

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.6539

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): 0.201 Pa (0.00151 mm Hg)

Log Koa (Koawin est ): 7.990

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

Mackay model : 1.49E-005

Octanol/air (Koa) model: 2.4E-005

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 0.000538

Mackay model : 0.00119

Octanol/air (Koa) model: 0.00192

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 16.4085 E-12 cm3/molecule-sec

Half-Life = 0.652 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 7.822 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Fraction sorbed to airborne particulates (phi):

0.000864 (Junge-Pankow, Mackay avg)

0.00192 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 15.78 L/kg (MCI method)

Log Koc: 1.198 (MCI method)

Koc : 50.54 L/kg (Kow method)

Log Koc: 1.704 (Kow method)

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

Total Kb for pH > 8 at 25 deg C : 6.266E-002 L/mol-sec

Kb Half-Life at pH 8: 128.021 days

Kb Half-Life at pH 7: 3.505 years

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

Bioaccumulation Estimates (BCFBAF v3.00):

Log BCF from regression-based method = 1.166 (BCF = 14.67 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -1.6653 days (HL = 0.02161 days)

Log BCF Arnot-Gobas method (upper trophic) = 0.743 (BCF = 5.528)

Log BAF Arnot-Gobas method (upper trophic) = 0.743 (BAF = 5.528)

log Kow used: 2.27 (estimated)

Volatilization from Water:

Henry LC: 2.39E-008 atm-m3/mole (estimated by Group SAR Method)

Half-Life from Model River: 3.361E+004 hours (1401 days)

Half-Life from Model Lake : 3.668E+005 hours (1.528E+004 days)

Removal In Wastewater Treatment:

Total removal: 2.59 percent

Total biodegradation: 0.10 percent

Total sludge adsorption: 2.49 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 0.579 15.6 1000

Water 28.5 208 1000

Soil 70.9 416 1000

Sediment 0.0659 1.87e+003 0

Persistence Time: 367 hr

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