吡啶
吡啶（C5H5N）的分子结构、物理性质与来源记录。摩尔质量 79.1 g/mol。查看化学标识、相关反应和材料用途。
- 化学式
- C5H5N
- 摩尔质量
- 79.1 g/mol
- Also known as
- Azabenzene, Azine, Pyridin, Piridina, Pirydyna, RCRA waste number U196
Identifiers
- 化学式
- C5H5N
- 摩尔质量
- 79.1 g/mol
- Also known as
- Azabenzene, Azine, Pyridin, Piridina, Pirydyna, RCRA waste number U196
化学标识符
- SMILES
- C1=CC=NC=C1
- InChI
- InChI=1S/C5H5N/c1-2-4-6-5-3-1/h1-5H
- PubChem CID
- 1049
性质
- 熔点
- -41.6 °C
- 沸点
- 115.2-115.3 °C
- 相对密度（水 = 1）
- Relative density (water = 1): 0.98
- 水中溶解度
- Miscible with water @ 20 °C
参考文献
- PubChem Compound Summary: Pyridine (CID 1049)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): Pyridine — melting pointHazardous Substances Data Bank (HSDB)
Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/1049#section=Melting-Point. 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 - An Encyclopedia of Chemicals, Drugs, and Biologicals. Whitehouse Station, NJ: Merck and Co., Inc., 1996., p. 1370
- Hazardous Substances Data Bank (HSDB): Pyridine — boiling pointHazardous Substances Data Bank (HSDB)
Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/1049#section=Boiling-Point. 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 - An Encyclopedia of Chemicals, Drugs, and Biologicals. Whitehouse Station, NJ: Merck and Co., Inc., 1996., p. 1370
- ILO-WHO International Chemical Safety Cards (ICSCs): Pyridine — densityILO-WHO International Chemical Safety Cards (ICSCs)
Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/1049#section=Density. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred.
- Hazardous Substances Data Bank (HSDB): Pyridine — solubilityHazardous Substances Data Bank (HSDB)
Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/1049#section=Solubility. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Kirk-Othmer Encyclopedia of Chemical Technology. 3rd ed., Volumes 1-26. New York, NY: John Wiley and Sons, 1978-1984., p. V19 (1982) 454-83