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CAS Number: 1555-56-2

SMILES : O([Na])P(O([Na]))(=O)OCC(O)CO

CHEM : Disodium alpha-glycerophosphate

MOL FOR: C3 H7 O6 P1 Na2

MOL WT : 216.04

------------------------------ 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) = -6.96

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

Boiling Pt (deg C): 480.00 (Adapted Stein & Brown method)

Melting Pt (deg C): 90.27 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 6.06E-011 (Modified Grain method)

VP (Pa, 25 deg C) : 8.07E-009 (Modified Grain method)

Subcooled liquid VP: 2.58E-010 mm Hg (25 deg C, Mod-Grain method)

: 3.44E-008 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: -6.96 (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:

Neutral Organics

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

Bond Method : 5.78E-018 atm-m3/mole (5.85E-013 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: 1.723E-017 atm-m3/mole (1.745E-012 Pa-m3/mole)

VP: 6.06E-011 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: -6.96 (KowWin est)

Log Kaw used: -15.627 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 8.667

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.9831

Biowin2 (Non-Linear Model) : 0.9427

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 3.1388 (weeks )

Biowin4 (Primary Survey Model) : 3.8584 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.5707

Biowin6 (MITI Non-Linear Model): 0.5807

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.9877

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): 3.44E-008 Pa (2.58E-010 mm Hg)

Log Koa (Koawin est ): 8.667

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

Mackay model : 87.2

Octanol/air (Koa) model: 0.000114

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 1

Mackay model : 1

Octanol/air (Koa) model: 0.00904

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 38.1243 E-12 cm3/molecule-sec

Half-Life = 0.281 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 3.367 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Fraction sorbed to airborne particulates (phi):

1 (Junge-Pankow, Mackay avg)

0.00904 (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 : 0.0002269 L/kg (Kow method)

Log Koc: -3.644 (Kow method)

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) = -2.9497 days (HL = 0.001123 days)

Log BCF Arnot-Gobas method (upper trophic) = -0.049 (BCF = 0.8932)

Log BAF Arnot-Gobas method (upper trophic) = -0.049 (BAF = 0.8932)

log Kow used: -1.93 (estimated)

Volatilization from Water:

Henry LC: 5.78E-018 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 1.489E+014 hours (6.204E+012 days)

Half-Life from Model Lake : 1.624E+015 hours (6.768E+013 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 4.51e-007 6.73 1000

Water 37.7 360 1000

Soil 62.2 720 1000

Sediment 0.0706 3.24e+003 0

Persistence Time: 587 hr

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