乙胺
一种伯烷基胺，既可作碱，也可作亲核试剂。
- 化学式
- C2H7N
- 官能团
- 胺
- 摩尔质量
- 45.08 g/mol
- Also known as
- ethanamine, Aminoethane, Monoethylamine, 1-Aminoethane, Aethylamine, Etilamina
概览
Its nitrogen lone pair can accept a proton to form ethylammonium, or attack a suitable electrophile. Protonation changes the molecule’s charge and can affect its solubility. This acid–base process is distinct from making a new carbon–nitrogen bond by nucleophilic substitution.
Identifiers
- 化学式
- C2H7N
- 官能团
- 胺
- 摩尔质量
- 45.08 g/mol
- Also known as
- ethanamine, Aminoethane, Monoethylamine, 1-Aminoethane, Aethylamine, Etilamina
化学标识符
- SMILES
- CCN
- InChI
- InChI=1S/C2H7N/c1-2-3/h2-3H2,1H3
- PubChem CID
- 6341
性质
- 熔点
- -81.2 °C
- 沸点
- 16.6 °C
- 密度
- 0.689 g/cu cm at 15 °C
- 水中溶解度
- Miscible with water
Related compounds
Connected reactions
- Ammonia substitution: Bromoethane → Ethylamine
氨进攻与溴相连的碳，生成烷基铵中间体。另一分子氨移去质子，释放乙胺；若仍有卤代烷，产物还可进一步烷基化。
参考文献
- PubChem Compound Summary: Ethylamine (CID 6341)National Center for Biotechnology Information · PubChem
Identity, molecular formula, molecular weight and aliases retrieved via PUG REST on 2026-09-08.
- OpenStax Organic Chemistry: Basicity of aminesJohn McMurry · OpenStax · 2023
Supports the qualitative structural interpretation of the recorded molecular structure; no new physical measurement or verified preparative yield is claimed.
- Hazardous Substances Data Bank (HSDB): Ethylamine — melting pointHazardous Substances Data Bank (HSDB)
Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/6341#section=Melting-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Haynes, W.M. (ed.). CRC Handbook of Chemistry and Physics. 95th Edition. CRC Press LLC, Boca Raton: FL 2014-2015, p. 3-250
- Hazardous Substances Data Bank (HSDB): Ethylamine — boiling pointHazardous Substances Data Bank (HSDB)
Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/6341#section=Boiling-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Haynes, W.M. (ed.). CRC Handbook of Chemistry and Physics. 95th Edition. CRC Press LLC, Boca Raton: FL 2014-2015, p. 3-250
- Hazardous Substances Data Bank (HSDB): Ethylamine — densityHazardous Substances Data Bank (HSDB)
Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/6341#section=Density. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Haynes, W.M. (ed.). CRC Handbook of Chemistry and Physics. 95th Edition. CRC Press LLC, Boca Raton: FL 2014-2015, p. 3-250
- Hazardous Substances Data Bank (HSDB): Ethylamine — solubilityHazardous Substances Data Bank (HSDB)
Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/6341#section=Solubility. 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. Cambridge, UK: Royal Society of Chemistry, 2013., p. 697