3-Methyl-2-oxobutanoic acid(759-05-7)是一种2-氧代单羧酸，是异戊酸的2-氧代衍生物。是人类的代谢物和是酿酒酵母代谢物。
| 中文别名 | 2-氧代-3-甲基丁酸(MSDS,759-05-7),3715-29-5 (hydrochloride salt) 51828-94-5 (calcium salt) |
| 英文别名 | 3-Methyl-2-oxobutanoic acid();3-Methyl-2-oxobutanoic acid |
| CAS号 | 759-05-7 |
| SMILES | CC(C)C(=O)C(=O)O |
| Inchi | InChI=1S/C5H8O3/c1-3(2)4(6)5(7)8/h3H,1-2H3,(H,7,8) |
| InchiKey | QHKABHOOEWYVLI-UHFFFAOYSA-N |
| 分子式 Formula | C5H8O3 |
| 分子量 Molecular Weight | 116.12 |
| 闪点 FP | 71.0±15.2 ℃ |
| 沸点 Boiling point | 170.2±9.0 ℃ at 760 mmHg |
| Polarizability极化度 | 10.6±0.5 10-24cm3 |
| 密度 Density | 1.1±0.1 g/cm3 |
| 蒸汽压 Vapor Pressure | 0.7±0.7 mmHg at 25℃ |
| 性状 | liquid |
| 储藏条件 Storage conditions | 储存温度2-8℃ |
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