dimethyloxirane C4H8O structure – Flashcards
Flashcard maker : Rosa Sloan
Contents
| Molecular Formula | C4H8O |
| Average mass | 72.106 Da |
| Density | 0.9±0.1 g/cm3 |
| Boiling Point | 52.0±0.0 °C at 760 mmHg |
| Flash Point | -28.7±15.3 °C |
| Molar Refractivity | 20.1±0.3 cm3 |
| Polarizability | 8.0±0.5 10-24cm3 |
| Surface Tension | 26.6±3.0 dyne/cm |
| Molar Volume | 82.7±3.0 cm3 |
- Experimental data
- Predicted – ACD/Labs
- Predicted – EPISuite
- Predicted – ChemAxon
- Experimental Physico-chemical Properties
- Miscellaneous
- Gas Chromatography
Predicted data is generated using the ACD/Labs Percepta Platform – PhysChem Module
| Density: | 0.9±0.1 g/cm3 |
| Boiling Point: | 52.0±0.0 °C at 760 mmHg |
| Vapour Pressure: | 283.4±0.1 mmHg at 25°C |
| Enthalpy of Vaporization: | 28.3±3.0 kJ/mol |
| Flash Point: | -28.7±15.3 °C |
| Index of Refraction: | 1.402 |
| Molar Refractivity: | 20.1±0.3 cm3 |
| #H bond acceptors: | 1 |
| #H bond donors: | 0 |
| #Freely Rotating Bonds: | 0 |
| #Rule of 5 Violations: | 0 |
| ACD/LogP: | 0.23 |
| ACD/LogD (pH 5.5): | 0.49 |
| ACD/BCF (pH 5.5): | 1.39 |
| ACD/KOC (pH 5.5): | 44.04 |
| ACD/LogD (pH 7.4): | 0.49 |
| ACD/BCF (pH 7.4): | 1.39 |
| ACD/KOC (pH 7.4): | 44.04 |
| Polar Surface Area: | 13 Å2 |
| Polarizability: | 8.0±0.5 10-24cm3 |
| Surface Tension: | 26.6±3.0 dyne/cm |
| Molar Volume: | 82.7±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) = 0.83 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 43.73 (Adapted Stein & Brown method) Melting Pt (deg C): -79.02 (Mean or Weighted MP) VP(mm Hg,25 deg C): 284 (Mean VP of Antoine & Grain methods) BP (exp database): 52 deg C Water Solubility Estimate from Log Kow (WSKOW v1.41): Water Solubility at 25 deg C (mg/L): 2.654e+004 log Kow used: 0.83 (estimated) no-melting pt equation used Water Sol (Exper. database match) = 5.8e+004 mg/L (20 deg C) Exper. Ref: BEILSTEIN Water Sol Estimate from Fragments: Wat Sol (v1.01 est) = 67775 mg/L Wat Sol (Exper. database match) = 58000.00 Exper. Ref: BEILSTEIN ECOSAR Class Program (ECOSAR v0.99h): Class(es) found: Epoxides Henrys Law Constant (25 deg C) [HENRYWIN v3.10]: Bond Method : 2.12E-004 atm-m3/mole Group Method: 1.12E-004 atm-m3/mole Henrys LC [VP/WSol estimate using EPI values]: 1.015E-003 atm-m3/mole Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]: Log Kow used: 0.83 (KowWin est) Log Kaw used: -2.062 (HenryWin est) Log Koa (KOAWIN v1.10 estimate): 2.892 Log Koa (experimental database): None Probability of Rapid Biodegradation (BIOWIN v4.10): Biowin1 (Linear Model) : 0.1819 Biowin2 (Non-Linear Model) : 0.0404 Expert Survey Biodegradation Results: Biowin3 (Ultimate Survey Model): 2.8190 (weeks ) Biowin4 (Primary Survey Model) : 3.5805 (days-weeks ) MITI Biodegradation Probability: Biowin5 (MITI Linear Model) : 0.5873 Biowin6 (MITI Non-Linear Model): 0.7333 Anaerobic Biodegradation Probability: Biowin7 (Anaerobic Linear Model): -0.0346 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): 3.76E+004 Pa (282 mm Hg) Log Koa (Koawin est ): 2.892 Kp (particle/gas partition coef. (m3/ug)): Mackay model : 7.98E-011 Octanol/air (Koa) model: 1.91E-010 Fraction sorbed to airborne particulates (phi): Junge-Pankow model : 2.88E-009 Mackay model : 6.38E-009 Octanol/air (Koa) model: 1.53E-008 Atmospheric Oxidation (25 deg C) [AopWin v1.92]: Hydroxyl Radicals Reaction: OVERALL OH Rate Constant = 1.3508 E-12 cm3/molecule-sec Half-Life = 7.918 Days (12-hr day; 1.5E6 OH/cm3) Half-Life = 95.018 Hrs Ozone Reaction: No Ozone Reaction Estimation Fraction sorbed to airborne particulates (phi): 4.63E-009 (Junge,Mackay) Note: the sorbed fraction may be resistant to atmospheric oxidation Soil Adsorption Coefficient (PCKOCWIN v1.66): Koc : 3.411 Log Koc: 0.533 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]: Total Ka (acid-catalyzed) at 25 deg C : 3.450E-001 L/mol-sec Ka Half-Life at pH 7: 232.510 days Bioaccumulation Estimates from Log Kow (BCFWIN v2.17): Log BCF from regression-based method = 0.500 (BCF = 3.162) log Kow used: 0.83 (estimated) Volatilization from Water: Henry LC: 0.000212 atm-m3/mole (estimated by Bond SAR Method) Half-Life from Model River: 3.212 hours Half-Life from Model Lake : 106.2 hours (4.427 days) Removal In Wastewater Treatment: Total removal: 10.97 percent Total biodegradation: 0.09 percent Total sludge adsorption: 1.64 percent Total to Air: 9.25 percent (using 10000 hr Bio P,A,S) Level III Fugacity Model: Mass Amount Half-Life Emissions (percent) (hr) (kg/hr) Air 20.6 190 1000 Water 43.4 360 1000 Soil 35.9 720 1000 Sediment 0.0845 3.24e+003 0 Persistence Time: 226 hr
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