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CAS Number: 7541-59-5

SMILES : OCC(O)C(O)CO

CHEM :

MOL FOR: C4 H10 O4

MOL WT : 122.12

------------------------------ 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) = -2.11

Log Kow (Exper. database match) = -2.29

Exper. Ref: HANSCH,C ET AL. (1995)

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

Boiling Pt (deg C): 294.58 (Adapted Stein & Brown method)

Melting Pt (deg C): 66.65 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 5.25E-007 (Modified Grain method)

VP (Pa, 25 deg C) : 7E-005 (Modified Grain method)

MP (exp database): 121.5 deg C

BP (exp database): 330.5 deg C

Subcooled liquid VP: 4.77E-006 mm Hg (25 deg C, Mod-Grain method)

: 0.000636 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: -2.29 (expkow database)

no-melting pt equation used

Water Sol (Exper. database match) = 6.1e+005 mg/L (22 deg C)

Exper. Ref: YALKOWSKY,SH & DANNENFELSER,RM (1992)

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 1e+006 mg/L

ECOSAR Class Program (ECOSAR v1.11):

Class(es) found:

Neutral Organics

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

Bond Method : 3.08E-010 atm-m3/mole (3.12E-005 Pa-m3/mole)

Group Method: 4.06E-020 atm-m3/mole (4.11E-015 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: 8.436E-014 atm-m3/mole (8.548E-009 Pa-m3/mole)

VP: 5.25E-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: -2.29 (exp database)

Log Kaw used: -7.900 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 5.610

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 1.3243

Biowin2 (Non-Linear Model) : 0.9968

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 3.5692 (days-weeks )

Biowin4 (Primary Survey Model) : 4.1893 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.9909

Biowin6 (MITI Non-Linear Model): 0.9753

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 1.0874

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): 0.000636 Pa (4.77E-006 mm Hg)

Log Koa (Koawin est ): 5.610

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

Mackay model : 0.00472

Octanol/air (Koa) model: 1E-007

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 0.146

Mackay model : 0.274

Octanol/air (Koa) model: 8E-006

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 29.1469 E-12 cm3/molecule-sec

Half-Life = 0.367 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 4.404 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Fraction sorbed to airborne particulates (phi):

0.21 (Junge-Pankow, Mackay avg)

8E-006 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 1 L/kg (MCI method)

Log Koc: 0.000 (MCI method)

Koc : 0.06848 L/kg (Kow method)

Log Koc: -1.164 (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) = -3.1344 days (HL = 0.0007339 days)

Log BCF Arnot-Gobas method (upper trophic) = -0.049 (BCF = 0.8931)

Log BAF Arnot-Gobas method (upper trophic) = -0.049 (BAF = 0.8931)

log Kow used: -2.29 (expkow database)

Volatilization from Water:

Henry LC: 3.08E-010 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 2.101E+006 hours (8.753E+004 days)

Half-Life from Model Lake : 2.292E+007 hours (9.549E+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 0.0176 8.81 1000

Water 33.6 208 1000

Soil 66.3 416 1000

Sediment 0.0594 1.87e+003 0

Persistence Time: 388 hr

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