丙酸
丙酸（C3H6O2）的分子结构、物理性质与来源记录。摩尔质量 74.08 g/mol。查看化学标识、相关反应和材料用途。
- 化学式
- C3H6O2
- 官能团
- 羧酸
- 摩尔质量
- 74.08 g/mol
- Also known as
- propionic acid, methylacetic acid, ethylformic acid, Carboxyethane, Metacetonic acid, Luprosil
Identifiers
- 化学式
- C3H6O2
- 官能团
- 羧酸
- 摩尔质量
- 74.08 g/mol
- Also known as
- propionic acid, methylacetic acid, ethylformic acid, Carboxyethane, Metacetonic acid, Luprosil
化学标识符
- SMILES
- CCC(=O)O
- InChI
- InChI=1S/C3H6O2/c1-2-3(4)5/h2H2,1H3,(H,4,5)
- PubChem CID
- 1032
性质
- 熔点
- -21.5 °C
- 沸点
- 141.1 °C
- 密度
- Critical density: 0.315 g/ml
- 水中溶解度
- Solubility in water: very soluble
Related compounds
Connected reactions
- Oxidation: Propanal → Propanoic acid
丙醛氧化为丙酸。
- Oxidation: Propan-1-ol → Propanoic acid
1-丙醇氧化为丙酸。
- Nitrile hydrolysis: Propanenitrile → Propanoic acid
在酸促进下，水加成使腈先转化为酰胺，再经水解得到酸。腈基碳成为羧基碳，氮则以铵离子形式离开有机骨架。
参考文献
- PubChem Compound Summary: Propanoic acid (CID 1032)National Center for Biotechnology Information · PubChem
Identity, molecular formula, molecular weight and aliases retrieved via PUG REST on 2026-09-08.
- Hazardous Substances Data Bank (HSDB): Propanoic acid — melting pointHazardous Substances Data Bank (HSDB)
Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/1032#section=Melting-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: O'Neil, M.J. (ed.). The Merck Index - An Encyclopedia of Chemicals, Drugs, and Biologicals. 13th Edition, Whitehouse Station, NJ: Merck and Co., Inc., 2001., p. 1401
- Hazardous Substances Data Bank (HSDB): Propanoic acid — boiling pointHazardous Substances Data Bank (HSDB)
Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/1032#section=Boiling-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: O'Neil, M.J. (ed.). The Merck Index - An Encyclopedia of Chemicals, Drugs, and Biologicals. 13th Edition, Whitehouse Station, NJ: Merck and Co., Inc., 2001., p. 1401
- Hazardous Substances Data Bank (HSDB): Propanoic acid — densityHazardous Substances Data Bank (HSDB)
Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/1032#section=Density. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Budavari, S. (ed.). The Merck Index - Encyclopedia of Chemicals, Drugs and Biologicals. Rahway, NJ: Merck and Co., Inc., 1989., p. 1243
- ILO-WHO International Chemical Safety Cards (ICSCs): Propanoic acid — solubilityILO-WHO International Chemical Safety Cards (ICSCs)
Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/1032#section=Solubility. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred.