Ethyl carbonate C5H10O3 structure – Flashcards

Predicted data is generated using the ACD/Labs Percepta Platform – PhysChem Module

Predicted data is generated using the US Environmental Protection Agency’s EPISuite™

 
 Log Octanol-Water Partition Coef (SRC):
 Log Kow (KOWWIN v1.67 estimate) = 1.22
 Log Kow (Exper. database match) = 1.21
 Exper. Ref: Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 144.16 (Adapted Stein & Brown method)
 Melting Pt (deg C): -95.30 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 12 (Mean VP of Antoine & Grain methods)
 MP (exp database): -43 deg C
 BP (exp database): 126 deg C
 VP (exp database): 1.08E+01 mm Hg at 25 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 9441
 log Kow used: 1.21 (expkow database)
 no-melting pt equation used
 Water Sol (Exper. database match) = 1.88e+004 mg/L (20 deg C)
 Exper. Ref: YALKOWSKY,SH & DANNENFELSER,RM (1992)

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 9397.5 mg/L
 Wat Sol (Exper. database match) = 18800.00
 Exper. Ref: YALKOWSKY,SH & DANNENFELSER,RM (1992)

 ECOSAR Class Program (ECOSAR v0.99h):
 Class(es) found:
 Esters

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 1.09E-003 atm-m3/mole
 Group Method: Incomplete
 Exper Database: 8.93E-05 atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]: 1.976E-004 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 1.21 (exp database)
 Log Kaw used: -2.438 (exp database)
 Log Koa (KOAWIN v1.10 estimate): 3.648
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.6913
 Biowin2 (Non-Linear Model) : 0.7910
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.9381 (weeks )
 Biowin4 (Primary Survey Model) : 3.6773 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.4603
 Biowin6 (MITI Non-Linear Model): 0.5033
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.7289
 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): 1.44E+003 Pa (10.8 mm Hg)
 Log Koa (Koawin est ): 3.648
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 2.08E-009 
 Octanol/air (Koa) model: 1.09E-009 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 7.52E-008 
 Mackay model : 1.67E-007 
 Octanol/air (Koa) model: 8.73E-008 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 3.3234 E-12 cm3/molecule-sec
 Half-Life = 3.218 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 38.621 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 1.21E-007 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 28.08
 Log Koc: 1.448 

 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 = 0.232 (BCF = 1.705)
 log Kow used: 1.21 (expkow database)

 Volatilization from Water:
 Henry LC: 8.93E-005 atm-m3/mole (Henry experimental database)
 Half-Life from Model River: 8.235 hours
 Half-Life from Model Lake : 181 hours (7.54 days)

 Removal In Wastewater Treatment:
 Total removal: 6.26 percent
 Total biodegradation: 0.09 percent
 Total sludge adsorption: 1.75 percent
 Total to Air: 4.42 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 9.75 77.2 1000 
 Water 41.1 360 1000 
 Soil 49.1 720 1000 
 Sediment 0.0868 3.24e+003 0 
 Persistence Time: 284 hr