This page contains the EPI System Summary only.
For complete control of this information -
Download the free EPI SuiteTM v4.0 program : here
also you can go back to the Datasheet
CAS Number: 639-97-4
SMILES : C(C(CO)(C(C(=O))O)O)O
CHEM :
MOL FOR: C5 H10 O5
MOL WT : 150.13
------------------------------ EPI SUMMARY (v4.11) --------------------------
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) = -1.54
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 331.47 (Adapted Stein & Brown method)
Melting Pt (deg C): 101.81 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 7.95E-007 (Modified Grain method)
VP (Pa, 25 deg C) : 0.000106 (Modified Grain method)
Subcooled liquid VP: 4.46E-006 mm Hg (25 deg C, Mod-Grain method)
: 0.000594 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 1e+006
log Kow used: -1.54 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 1e+006 mg/L
ECOSAR Class Program (ECOSAR v1.11):
Class(es) found:
Aldehydes (Mono)
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 1.21E-009 atm-m3/mole (1.23E-004 Pa-m3/mole)
Group Method: Incomplete
For Henry LC Comparison Purposes:
User-Entered Henry LC: not entered
Henrys LC [via VP/WSol estimate using User-Entered or Estimated values]:
HLC: 1.570E-013 atm-m3/mole (1.591E-008 Pa-m3/mole)
VP: 7.95E-007 mm Hg (source: MPBPVP)
WS: 1E+006 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: -1.54 (KowWin est)
Log Kaw used: -7.306 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 5.766
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 1.2530
Biowin2 (Non-Linear Model) : 0.9999
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 3.1575 (weeks )
Biowin4 (Primary Survey Model) : 4.0627 (days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 1.2761
Biowin6 (MITI Non-Linear Model): 0.9940
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.9088
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): 0.000595 Pa (4.46E-006 mm Hg)
Log Koa (Koawin est ): 5.766
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 0.00504
Octanol/air (Koa) model: 1.43E-007
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.154
Mackay model : 0.288
Octanol/air (Koa) model: 1.15E-005
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 65.5158 E-12 cm3/molecule-sec
Half-Life = 0.163 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 1.959 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
0.221 (Junge-Pankow, Mackay avg)
1.15E-005 (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 : 0.105 L/kg (Kow method)
Log Koc: -0.979 (Kow method)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Rate constants can NOT be estimated for this structure!
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) = -2.7735 days (HL = 0.001685 days)
Log BCF Arnot-Gobas method (upper trophic) = -0.049 (BCF = 0.8936)
Log BAF Arnot-Gobas method (upper trophic) = -0.049 (BAF = 0.8936)
log Kow used: -1.54 (estimated)
Volatilization from Water:
Henry LC: 1.21E-009 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 5.929E+005 hours (2.47E+004 days)
Half-Life from Model Lake : 6.468E+006 hours (2.695E+005 days)
Removal In Wastewater Treatment:
Total removal: 1.85 percent
Total biodegradation: 0.09 percent
Total sludge adsorption: 1.75 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 0.0289 3.92 1000
Water 31.1 360 1000
Soil 68.8 720 1000
Sediment 0.07 3.24e+003 0
Persistence Time: 615 hr