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Ethyl hydrogen carbonate
CCOC(=O)O
InChI=1S/C3H6O3/c1-2-6-3(4)5/h2H2,1H3,(H,4,5)
CQDGTJPVBWZJAZ-UHFFFAOYSA-N
CSID:95020, http://www.chemspider.com/Chemical-Structure.95020.html (accessed 16:17, Mar 14, 2025)
Validated by Experts, Validated by Users, Non-Validated, Removed by Users
Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00
Predicted data is generated using the US Environmental Protection Agency�s EPISuite
Log Octanol-Water Partition Coef (SRC): Log Kow (KOWWIN v1.67 estimate) = 0.58 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 212.72 (Adapted Stein & Brown method) Melting Pt (deg C): 28.57 (Mean or Weighted MP) VP(mm Hg,25 deg C): 0.163 (Modified Grain method) Subcooled liquid VP: 0.176 mm Hg (25 deg C, Mod-Grain method) Water Solubility Estimate from Log Kow (WSKOW v1.41): Water Solubility at 25 deg C (mg/L): 9.916e+004 log Kow used: 0.58 (estimated) no-melting pt equation used Water Sol Estimate from Fragments: Wat Sol (v1.01 est) = 3.36e+005 mg/L ECOSAR Class Program (ECOSAR v0.99h): Class(es) found: Esters x 10 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]: Bond Method : 2.57E-006 atm-m3/mole Group Method: Incomplete Henrys LC [VP/WSol estimate using EPI values]: 1.948E-007 atm-m3/mole Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]: Log Kow used: 0.58 (KowWin est) Log Kaw used: -3.979 (HenryWin est) Log Koa (KOAWIN v1.10 estimate): 4.559 Log Koa (experimental database): None Probability of Rapid Biodegradation (BIOWIN v4.10): Biowin1 (Linear Model) : 0.7047 Biowin2 (Non-Linear Model) : 0.8494 Expert Survey Biodegradation Results: Biowin3 (Ultimate Survey Model): 3.0001 (weeks ) Biowin4 (Primary Survey Model) : 3.7178 (days-weeks ) MITI Biodegradation Probability: Biowin5 (MITI Linear Model) : 0.4940 Biowin6 (MITI Non-Linear Model): 0.5924 Anaerobic Biodegradation Probability: Biowin7 (Anaerobic Linear Model): 0.7825 Ready Biodegradability Prediction: NO Hydrocarbon Biodegradation (BioHCwin v1.01): Structure incompatible with current estimation method! Sorption to aerosols (25 Dec C)[AEROWIN v1.00]: Vapor pressure (liquid/subcooled): 23.5 Pa (0.176 mm Hg) Log Koa (Koawin est ): 4.559 Kp (particle/gas partition coef. (m3/ug)): Mackay model : 1.28E-007 Octanol/air (Koa) model: 8.89E-009 Fraction sorbed to airborne particulates (phi): Junge-Pankow model : 4.62E-006 Mackay model : 1.02E-005 Octanol/air (Koa) model: 7.11E-007 Atmospheric Oxidation (25 deg C) [AopWin v1.92]: Hydroxyl Radicals Reaction: OVERALL OH Rate Constant = 2.1817 E-12 cm3/molecule-sec Half-Life = 4.903 Days (12-hr day; 1.5E6 OH/cm3) Half-Life = 58.832 Hrs Ozone Reaction: No Ozone Reaction Estimation Fraction sorbed to airborne particulates (phi): 7.42E-006 (Junge,Mackay) Note: the sorbed fraction may be resistant to atmospheric oxidation Soil Adsorption Coefficient (PCKOCWIN v1.66): Koc : 2.214 Log Koc: 0.345 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]: Rate constants can NOT be estimated for this structure! Bioaccumulation Estimates from Log Kow (BCFWIN v2.17): Log BCF from regression-based method = 0.500 (BCF = 3.162) log Kow used: 0.58 (estimated) Volatilization from Water: Henry LC: 2.57E-006 atm-m3/mole (estimated by Bond SAR Method) Half-Life from Model River: 217.2 hours (9.049 days) Half-Life from Model Lake : 2449 hours (102 days) Removal In Wastewater Treatment: Total removal: 2.01 percent Total biodegradation: 0.09 percent Total sludge adsorption: 1.77 percent Total to Air: 0.15 percent (using 10000 hr Bio P,A,S) Level III Fugacity Model: Mass Amount Half-Life Emissions (percent) (hr) (kg/hr) Air 5.68 118 1000 Water 43.9 360 1000 Soil 50.3 720 1000 Sediment 0.0833 3.24e+003 0 Persistence Time: 374 hr
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