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CAS Number: 999-61-1
SMILES : O=C(OCC(O)C)C=C
CHEM : 2-Hydroxypropyl acrylate
MOL FOR: C6 H10 O3
MOL WT : 130.14
------------------------------ 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) = 0.17
Log Kow (Exper. database match) = 0.35
Exper. Ref: HANSCH,C ET AL. (1995)
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 185.60 (Adapted Stein & Brown method)
Melting Pt (deg C): -17.34 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.174 (Mean VP of Antoine & Grain methods)
VP (Pa, 25 deg C) : 23.2 (Mean VP of Antoine & Grain methods)
BP (exp database): 77 @ 5 mm Hg deg C
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 1.493e+005
log Kow used: 0.35 (expkow database)
no-melting pt equation used
Water Sol (Exper. database match) = 1e+006 mg/L (25 deg C)
Exper. Ref: ULLMANN'S ENCYCL; A21:159
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 2.0433e+005 mg/L
ECOSAR Class Program (ECOSAR v1.11):
Class(es) found:
Acrylates
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 5.96E-009 atm-m3/mole (6.04E-004 Pa-m3/mole)
Group Method: 1.69E-009 atm-m3/mole (1.71E-004 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: 1.996E-007 atm-m3/mole (2.022E-002 Pa-m3/mole)
VP: 0.174 mm Hg (source: MPBPVP)
WS: 1.49E+005 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 0.35 (exp database)
Log Kaw used: -6.613 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 6.963
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 1.0185
Biowin2 (Non-Linear Model) : 0.9983
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 3.2117 (weeks )
Biowin4 (Primary Survey Model) : 4.0184 (days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.8476
Biowin6 (MITI Non-Linear Model): 0.9342
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.7007
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): 20.7 Pa (0.155 mm Hg)
Log Koa (Koawin est ): 6.963
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 1.45E-007
Octanol/air (Koa) model: 2.25E-006
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 5.24E-006
Mackay model : 1.16E-005
Octanol/air (Koa) model: 0.00018
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 19.7021 E-12 cm3/molecule-sec
Half-Life = 0.543 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 6.515 Hrs
Ozone Reaction:
OVERALL Ozone Rate Constant = 0.175000 E-17 cm3/molecule-sec
Half-Life = 6.549 Days (at 7E11 mol/cm3)
Fraction sorbed to airborne particulates (phi):
8.43E-006 (Junge-Pankow, Mackay avg)
0.00018 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 1.431 L/kg (MCI method)
Log Koc: 0.156 (MCI method)
Koc : 4.382 L/kg (Kow method)
Log Koc: 0.642 (Kow method)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Total Kb for pH > 8 at 25 deg C : 2.440E-002 L/mol-sec
Kb Half-Life at pH 8: 328.762 days
Kb Half-Life at pH 7: 9.001 years
(Total Kb applies only to esters, carbmates, alkyl halides)
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) = -2.2107 days (HL = 0.006156 days)
Log BCF Arnot-Gobas method (upper trophic) = -0.027 (BCF = 0.9395)
Log BAF Arnot-Gobas method (upper trophic) = -0.027 (BAF = 0.9395)
log Kow used: 0.35 (expkow database)
Volatilization from Water:
Henry LC: 1.69E-009 atm-m3/mole (estimated by Group SAR Method)
Half-Life from Model River: 3.952E+005 hours (1.647E+004 days)
Half-Life from Model Lake : 4.312E+006 hours (1.796E+005 days)
Removal In Wastewater Treatment:
Total removal: 1.86 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 0.038 12 1000
Water 37.5 360 1000
Soil 62.4 720 1000
Sediment 0.0708 3.24e+003 0
Persistence Time: 580 hr