This page contains the EPI System Summary only.
For complete control of this information -
Download the free EPI SuiteTM v4.0 program : here
To Datasheet
CAS Num: 025395-31-7
SMILES : O=C(OCC(OC(=O)C)CO)C
CHEM : 1,2,3-Propanetriol, diacetate
MOL FOR: C7 H12 O5
MOL WT : 176.17
------------------------------ 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) = -0.64
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):
Boiling Pt (deg C): 228.79 (Adapted Stein & Brown method)
Melting Pt (deg C): -42.05 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.00181 (Mean VP of Antoine & Grain methods)
VP (Pa, 25 deg C) : 0.242 (Mean VP of Antoine & Grain methods)
BP (exp database): 259 deg C
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 6.577e+005
log Kow used: -0.64 (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:
Esters
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 2.69E-011 atm-m3/mole (2.73E-006 Pa-m3/mole)
Group Method: 1.58E-012 atm-m3/mole (1.60E-007 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: 6.379E-010 atm-m3/mole (6.464E-005 Pa-m3/mole)
VP: 0.00181 mm Hg (source: MPBPVP)
WS: 6.58E+005 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: -0.64 (KowWin est)
Log Kaw used: -8.959 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 8.319
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 1.1708
Biowin2 (Non-Linear Model) : 0.9999
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 3.2502 (days-weeks )
Biowin4 (Primary Survey Model) : 4.1809 (days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 1.0856
Biowin6 (MITI Non-Linear Model): 0.9842
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 1.0395
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): 0.241 Pa (0.00181 mm Hg)
Log Koa (Koawin est ): 8.319
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 1.24E-005
Octanol/air (Koa) model: 5.12E-005
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.000449
Mackay model : 0.000993
Octanol/air (Koa) model: 0.00408
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 10.7793 E-12 cm3/molecule-sec
Half-Life = 0.992 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 11.907 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
0.000721 (Junge-Pankow, Mackay avg)
0.00408 (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 : 1.068 L/kg (Kow method)
Log Koc: 0.028 (Kow method)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Total Kb for pH > 8 at 25 deg C : 3.540E-001 L/mol-sec
Kb Half-Life at pH 8: 22.659 days
Kb Half-Life at pH 7: 226.589 days
(Total Kb applies only to esters, carbmates, alkyl halides)
Bioaccumulation Estimates (BCFBAF v3.00):
Log BCF from regression-based method = 0.500 (BCF = 3.162 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -3.4215 days (HL = 0.0003789 days)
Log BCF Arnot-Gobas method (upper trophic) = -0.047 (BCF = 0.8974)
Log BAF Arnot-Gobas method (upper trophic) = -0.047 (BAF = 0.8974)
log Kow used: -0.64 (estimated)
Volatilization from Water:
Henry LC: 1.58E-012 atm-m3/mole (estimated by Group SAR Method)
Half-Life from Model River: 4.918E+008 hours (2.049E+007 days)
Half-Life from Model Lake : 5.366E+009 hours (2.236E+008 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 5.21e-005 23.8 1000
Water 28.1 208 1000
Soil 71.8 416 1000
Sediment 0.0592 1.87e+003 0
Persistence Time: 414 hr