2-Methyltartronic acid C4H6O5 structure – Flashcards
Flashcard maker : Jamie Hutchinson
| Molecular Formula | C4H6O5 |
| Average mass | 134.087 Da |
| Density | 1.6±0.1 g/cm3 |
| Boiling Point | 404.8±30.0 °C at 760 mmHg |
| Flash Point | 212.8±21.1 °C |
| Molar Refractivity | 25.2±0.3 cm3 |
| Polarizability | 10.0±0.5 10-24cm3 |
| Surface Tension | 84.5±3.0 dyne/cm |
| Molar Volume | 81.4±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: | 1.6±0.1 g/cm3 |
| Boiling Point: | 404.8±30.0 °C at 760 mmHg |
| Vapour Pressure: | 0.0±2.1 mmHg at 25°C |
| Enthalpy of Vaporization: | 75.8±6.0 kJ/mol |
| Flash Point: | 212.8±21.1 °C |
| Index of Refraction: | 1.532 |
| Molar Refractivity: | 25.2±0.3 cm3 |
| #H bond acceptors: | 5 |
| #H bond donors: | 3 |
| #Freely Rotating Bonds: | 2 |
| #Rule of 5 Violations: | 0 |
| ACD/LogP: | 0.09 |
| ACD/LogD (pH 5.5): | -5.06 |
| ACD/BCF (pH 5.5): | 1.00 |
| ACD/KOC (pH 5.5): | 1.00 |
| ACD/LogD (pH 7.4): | -5.33 |
| ACD/BCF (pH 7.4): | 1.00 |
| ACD/KOC (pH 7.4): | 1.00 |
| Polar Surface Area: | 95 Å2 |
| Polarizability: | 10.0±0.5 10-24cm3 |
| Surface Tension: | 84.5±3.0 dyne/cm |
| Molar Volume: | 81.4±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) = -2.02 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 309.67 (Adapted Stein & Brown method) Melting Pt (deg C): 111.89 (Mean or Weighted MP) VP(mm Hg,25 deg C): 1.01E-005 (Modified Grain method) Subcooled liquid VP: 7.25E-005 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): 1e+006 log Kow used: -2.02 (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: Neutral Organics-acid Henrys Law Constant (25 deg C) [HENRYWIN v3.10]: Bond Method : 8.43E-013 atm-m3/mole Group Method: Incomplete Henrys LC [VP/WSol estimate using EPI values]: 1.782E-012 atm-m3/mole Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]: Log Kow used: -2.02 (KowWin est) Log Kaw used: -10.463 (HenryWin est) Log Koa (KOAWIN v1.10 estimate): 8.443 Log Koa (experimental database): None Probability of Rapid Biodegradation (BIOWIN v4.10): Biowin1 (Linear Model) : 0.6452 Biowin2 (Non-Linear Model) : 0.6610 Expert Survey Biodegradation Results: Biowin3 (Ultimate Survey Model): 3.4199 (days-weeks ) Biowin4 (Primary Survey Model) : 4.2720 (hours-days ) MITI Biodegradation Probability: Biowin5 (MITI Linear Model) : 0.7436 Biowin6 (MITI Non-Linear Model): 0.7929 Anaerobic Biodegradation Probability: Biowin7 (Anaerobic Linear Model): 0.7958 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): 0.00967 Pa (7.25E-005 mm Hg) Log Koa (Koawin est ): 8.443 Kp (particle/gas partition coef. (m3/ug)): Mackay model : 0.00031 Octanol/air (Koa) model: 6.81E-005 Fraction sorbed to airborne particulates (phi): Junge-Pankow model : 0.0111 Mackay model : 0.0242 Octanol/air (Koa) model: 0.00542 Atmospheric Oxidation (25 deg C) [AopWin v1.92]: Hydroxyl Radicals Reaction: OVERALL OH Rate Constant = 1.6968 E-12 cm3/molecule-sec Half-Life = 6.304 Days (12-hr day; 1.5E6 OH/cm3) Half-Life = 75.643 Hrs Ozone Reaction: No Ozone Reaction Estimation Fraction sorbed to airborne particulates (phi): 0.0177 (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: -2.02 (estimated) Volatilization from Water: Henry LC: 8.43E-013 atm-m3/mole (estimated by Bond SAR Method) Half-Life from Model River: 8.042E+008 hours (3.351E+007 days) Half-Life from Model Lake : 8.774E+009 hours (3.656E+008 days) Removal In Wastewater Treatment: Total removal: 1.85 percent Total biodegradation: 0.09 percent Total sludge adsorption: 1.75 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 3.01e-005 151 1000 Water 34.5 208 1000 Soil 65.5 416 1000 Sediment 0.0596 1.87e+003 0 Persistence Time: 387 hr
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