Methoxyacetaldehyde C3H6O2 structure – Flashcards
Flashcard maker : Ewan Knight
| Molecular Formula | C3H6O2 |
| Average mass | 74.078 Da |
| Density | 0.9±0.1 g/cm3 |
| Boiling Point | 41.5±13.0 °C at 760 mmHg |
| Flash Point | -38.9±13.4 °C |
| Molar Refractivity | 17.9±0.3 cm3 |
| Polarizability | 7.1±0.5 10-24cm3 |
| Surface Tension | 23.5±3.0 dyne/cm |
| Molar Volume | 81.7±3.0 cm3 |
- Experimental data
- Predicted – ACD/Labs
- Predicted – EPISuite
- Predicted – ChemAxon
- Gas Chromatography
Predicted data is generated using the ACD/Labs Percepta Platform – PhysChem Module
| Density: | 0.9±0.1 g/cm3 |
| Boiling Point: | 41.5±13.0 °C at 760 mmHg |
| Vapour Pressure: | 406.3±0.1 mmHg at 25°C |
| Enthalpy of Vaporization: | 28.6±3.0 kJ/mol |
| Flash Point: | -38.9±13.4 °C |
| Index of Refraction: | 1.356 |
| Molar Refractivity: | 17.9±0.3 cm3 |
| #H bond acceptors: | 2 |
| #H bond donors: | 0 |
| #Freely Rotating Bonds: | 2 |
| #Rule of 5 Violations: | 0 |
| ACD/LogP: | -0.64 |
| ACD/LogD (pH 5.5): | 0.05 |
| ACD/BCF (pH 5.5): | 1.00 |
| ACD/KOC (pH 5.5): | 25.44 |
| ACD/LogD (pH 7.4): | 0.05 |
| ACD/BCF (pH 7.4): | 1.00 |
| ACD/KOC (pH 7.4): | 25.44 |
| Polar Surface Area: | 26 Å2 |
| Polarizability: | 7.1±0.5 10-24cm3 |
| Surface Tension: | 23.5±3.0 dyne/cm |
| Molar Volume: | 81.7±3.0 cm3 |
Predicted data is generated using the US Environmental Protection Agency’s EPISuite™
Log Octanol-Water Partition Coef (SRC): Log Kow (KOWWIN v1.67 estimate) = -0.93 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 85.78 (Adapted Stein & Brown method) Melting Pt (deg C): -74.47 (Mean or Weighted MP) VP(mm Hg,25 deg C): 68.5 (Mean VP of Antoine & Grain methods) Water Solubility Estimate from Log Kow (WSKOW v1.41): Water Solubility at 25 deg C (mg/L): 8.352e+005 log Kow used: -0.93 (estimated) no-melting pt equation used Water Sol Estimate from Fragments: Wat Sol (v1.01 est) = 1e+006 mg/L ECOSAR Class Program (ECOSAR v0.99h): Class(es) found: Aldehydes Henrys Law Constant (25 deg C) [HENRYWIN v3.10]: Bond Method : 5.62E-006 atm-m3/mole Group Method: 1.77E-006 atm-m3/mole Henrys LC [VP/WSol estimate using EPI values]: 7.994E-006 atm-m3/mole Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]: Log Kow used: -0.93 (KowWin est) Log Kaw used: -3.639 (HenryWin est) Log Koa (KOAWIN v1.10 estimate): 2.709 Log Koa (experimental database): None Probability of Rapid Biodegradation (BIOWIN v4.10): Biowin1 (Linear Model) : 0.6495 Biowin2 (Non-Linear Model) : 0.9967 Expert Survey Biodegradation Results: Biowin3 (Ultimate Survey Model): 3.0491 (weeks ) Biowin4 (Primary Survey Model) : 3.9278 (days ) MITI Biodegradation Probability: Biowin5 (MITI Linear Model) : 0.9544 Biowin6 (MITI Non-Linear Model): 0.9699 Anaerobic Biodegradation Probability: Biowin7 (Anaerobic Linear Model): 0.6478 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): 8.8E+003 Pa (66 mm Hg) Log Koa (Koawin est ): 2.709 Kp (particle/gas partition coef. (m3/ug)): Mackay model : 3.41E-010 Octanol/air (Koa) model: 1.26E-010 Fraction sorbed to airborne particulates (phi): Junge-Pankow model : 1.23E-008 Mackay model : 2.73E-008 Octanol/air (Koa) model: 1E-008 Atmospheric Oxidation (25 deg C) [AopWin v1.92]: Hydroxyl Radicals Reaction: OVERALL OH Rate Constant = 64.1757 E-12 cm3/molecule-sec Half-Life = 0.167 Days (12-hr day; 1.5E6 OH/cm3) Half-Life = 2.000 Hrs Ozone Reaction: No Ozone Reaction Estimation Fraction sorbed to airborne particulates (phi): 1.98E-008 (Junge,Mackay) Note: the sorbed fraction may be resistant to atmospheric oxidation Soil Adsorption Coefficient (PCKOCWIN v1.66): Koc : 1 Log Koc: 0.000 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: -0.93 (estimated) Volatilization from Water: Henry LC: 5.62E-006 atm-m3/mole (estimated by Bond SAR Method) Half-Life from Model River: 90.54 hours (3.773 days) Half-Life from Model Lake : 1060 hours (44.16 days) Removal In Wastewater Treatment: Total removal: 2.16 percent Total biodegradation: 0.09 percent Total sludge adsorption: 1.75 percent Total to Air: 0.32 percent (using 10000 hr Bio P,A,S) Level III Fugacity Model: Mass Amount Half-Life Emissions (percent) (hr) (kg/hr) Air 0.638 4 1000 Water 48.6 360 1000 Soil 50.6 720 1000 Sediment 0.089 3.24e+003 0 Persistence Time: 325 hr
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