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CAS Number: 4219-49-2

SMILES : O=C(OCCO)CCCCCCCCCCCCCCC

CHEM : GLYCOL PALMITATE

MOL FOR: C18 H36 O3

MOL WT : 300.49

------------------------------ 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) = 6.27

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

Boiling Pt (deg C): 380.84 (Adapted Stein & Brown method)

Melting Pt (deg C): 115.66 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 3.88E-007 (Modified Grain method)

VP (Pa, 25 deg C) : 5.17E-005 (Modified Grain method)

MP (exp database): 51 deg C

Subcooled liquid VP: 6.72E-007 mm Hg (25 deg C, Mod-Grain method)

: 8.96E-005 Pa (25 deg C, Mod-Grain method)

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

Water Solubility at 25 deg C (mg/L): 0.1728

log Kow used: 6.27 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 0.097826 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:

Esters

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

Bond Method : 4.49E-007 atm-m3/mole (4.55E-002 Pa-m3/mole)

Group Method: 2.28E-007 atm-m3/mole (2.31E-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: 8.878E-007 atm-m3/mole (8.995E-002 Pa-m3/mole)

VP: 3.88E-007 mm Hg (source: MPBPVP)

WS: 0.173 mg/L (source: WSKOWWIN)

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

Log Kow used: 6.27 (KowWin est)

Log Kaw used: -4.736 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 11.006

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 1.0458

Biowin2 (Non-Linear Model) : 0.9969

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 3.1337 (weeks )

Biowin4 (Primary Survey Model) : 4.0417 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 1.1141

Biowin6 (MITI Non-Linear Model): 0.9851

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 1.1592

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): 8.96E-005 Pa (6.72E-007 mm Hg)

Log Koa (Koawin est ): 11.006

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

Mackay model : 0.0335

Octanol/air (Koa) model: 0.0249

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 0.547

Mackay model : 0.728

Octanol/air (Koa) model: 0.666

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 24.6278 E-12 cm3/molecule-sec

Half-Life = 0.434 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 5.212 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Fraction sorbed to airborne particulates (phi):

0.638 (Junge-Pankow, Mackay avg)

0.666 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 2283 L/kg (MCI method)

Log Koc: 3.359 (MCI method)

Koc : 8245 L/kg (Kow method)

Log Koc: 3.916 (Kow method)

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

Total Kb for pH > 8 at 25 deg C : 2.848E-002 L/mol-sec

Kb Half-Life at pH 8: 281.632 days

Kb Half-Life at pH 7: 7.711 years

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

Bioaccumulation Estimates (BCFBAF v3.01):

Log BCF from regression-based method = 2.433 (BCF = 270.9 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -0.5350 days (HL = 0.2918 days)

Log BCF Arnot-Gobas method (upper trophic) = 1.951 (BCF = 89.4)

Log BAF Arnot-Gobas method (upper trophic) = 1.955 (BAF = 90.15)

log Kow used: 6.27 (estimated)

Volatilization from Water:

Henry LC: 2.28E-007 atm-m3/mole (estimated by Group SAR Method)

Half-Life from Model River: 4453 hours (185.5 days)

Half-Life from Model Lake : 4.873E+004 hours (2030 days)

Removal In Wastewater Treatment:

Total removal: 93.02 percent

Total biodegradation: 0.77 percent

Total sludge adsorption: 92.24 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 0.687 10.4 1000

Water 22.1 360 1000

Soil 75.7 720 1000

Sediment 1.5 3.24e+003 0

Persistence Time: 525 hr

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