2-Hydroxyisobutyric acid C4H8O3 structure – Flashcards
Flashcard maker : Maddison Bailey
Contents
| Molecular Formula | C4H8O3 |
| Average mass | 104.104 Da |
| Density | 1.2±0.1 g/cm3 |
| Boiling Point | 212.0±0.0 °C at 760 mmHg |
| Flash Point | 104.9±16.3 °C |
| Molar Refractivity | 23.6±0.3 cm3 |
| Polarizability | 9.4±0.5 10-24cm3 |
| Surface Tension | 45.2±3.0 dyne/cm |
| Molar Volume | 86.7±3.0 cm3 |
- Experimental data
- Predicted – ACD/Labs
- Predicted – EPISuite
- Predicted – ChemAxon
- Predicted – Mcule
- Experimental Physico-chemical Properties
- Predicted Physico-chemical Properties
- Miscellaneous
- Gas Chromatography
Predicted data is generated using the ACD/Labs Percepta Platform – PhysChem Module
| Density: | 1.2±0.1 g/cm3 |
| Boiling Point: | 212.0±0.0 °C at 760 mmHg |
| Vapour Pressure: | 0.0±0.9 mmHg at 25°C |
| Enthalpy of Vaporization: | 52.1±6.0 kJ/mol |
| Flash Point: | 104.9±16.3 °C |
| Index of Refraction: | 1.457 |
| Molar Refractivity: | 23.6±0.3 cm3 |
| #H bond acceptors: | 3 |
| #H bond donors: | 2 |
| #Freely Rotating Bonds: | 1 |
| #Rule of 5 Violations: | 0 |
| ACD/LogP: | -0.35 |
| ACD/LogD (pH 5.5): | -2.09 |
| ACD/BCF (pH 5.5): | 1.00 |
| ACD/KOC (pH 5.5): | 1.00 |
| ACD/LogD (pH 7.4): | -3.66 |
| ACD/BCF (pH 7.4): | 1.00 |
| ACD/KOC (pH 7.4): | 1.00 |
| Polar Surface Area: | 58 Å2 |
| Polarizability: | 9.4±0.5 10-24cm3 |
| Surface Tension: | 45.2±3.0 dyne/cm |
| Molar Volume: | 86.7±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) = -0.20 Log Kow (Exper. database match) = -0.36 Exper. Ref: Hansch,C et al. (1995) Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 206.88 (Adapted Stein & Brown method) Melting Pt (deg C): 33.26 (Mean or Weighted MP) VP(mm Hg,25 deg C): 0.00911 (Modified Grain method) MP (exp database): 82.5 deg C BP (exp database): 212 deg C VP (exp database): 8.75E-03 mm Hg at 25 deg C Subcooled liquid VP: 0.0324 mm Hg (25 deg C, exp database VP ) Water Solubility Estimate from Log Kow (WSKOW v1.41): Water Solubility at 25 deg C (mg/L): 1e+006 log Kow used: -0.36 (expkow database) 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 : 1.51E-007 atm-m3/mole Group Method: Incomplete Henrys LC [VP/WSol estimate using EPI values]: 1.248E-009 atm-m3/mole Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]: Log Kow used: -0.36 (exp database) Log Kaw used: -5.209 (HenryWin est) Log Koa (KOAWIN v1.10 estimate): 4.849 Log Koa (experimental database): None Probability of Rapid Biodegradation (BIOWIN v4.10): Biowin1 (Linear Model) : 0.5867 Biowin2 (Non-Linear Model) : 0.6107 Expert Survey Biodegradation Results: Biowin3 (Ultimate Survey Model): 3.1216 (weeks ) Biowin4 (Primary Survey Model) : 3.9297 (days ) MITI Biodegradation Probability: Biowin5 (MITI Linear Model) : 0.6520 Biowin6 (MITI Non-Linear Model): 0.7489 Anaerobic Biodegradation Probability: Biowin7 (Anaerobic Linear Model): 0.5295 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): 4.32 Pa (0.0324 mm Hg) Log Koa (Koawin est ): 4.849 Kp (particle/gas partition coef. (m3/ug)): Mackay model : 6.94E-007 Octanol/air (Koa) model: 1.73E-008 Fraction sorbed to airborne particulates (phi): Junge-Pankow model : 2.51E-005 Mackay model : 5.56E-005 Octanol/air (Koa) model: 1.39E-006 Atmospheric Oxidation (25 deg C) [AopWin v1.92]: Hydroxyl Radicals Reaction: OVERALL OH Rate Constant = 1.6936 E-12 cm3/molecule-sec Half-Life = 6.316 Days (12-hr day; 1.5E6 OH/cm3) Half-Life = 75.786 Hrs Ozone Reaction: No Ozone Reaction Estimation Fraction sorbed to airborne particulates (phi): 4.03E-005 (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: -0.36 (expkow database) Volatilization from Water: Henry LC: 1.51E-007 atm-m3/mole (estimated by Bond SAR Method) Half-Life from Model River: 3957 hours (164.9 days) Half-Life from Model Lake : 4.326E+004 hours (1802 days) Removal In Wastewater Treatment: Total removal: 1.86 percent Total biodegradation: 0.09 percent Total sludge adsorption: 1.76 percent Total to Air: 0.01 percent (using 10000 hr Bio P,A,S) Level III Fugacity Model: Mass Amount Half-Life Emissions (percent) (hr) (kg/hr) Air 2.38 152 1000 Water 41.4 360 1000 Soil 56.2 720 1000 Sediment 0.076 3.24e+003 0 Persistence Time: 477 hr
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