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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