乙二胺

含两个碳原子的二胺，碳链两端各有一个氨基。

化学式
C2H8N2
官能团
二胺
摩尔质量
60.1 g/mol
Also known as
ethane-1,2-diamine, 1,2-Diaminoethane, 1,2-Ethanediamine, Ethylene diamine, Ethylendiamine, edamine

概览

Each nitrogen is a primary amine site. Protonation can therefore occur in stages, and reaction at one end need not exhaust the other group. Two amino groups distinguish this molecule from ethylamine and enable bifunctional coupling chemistry.

Identifiers

化学式
C2H8N2
官能团
二胺
摩尔质量
60.1 g/mol
Also known as
ethane-1,2-diamine, 1,2-Diaminoethane, 1,2-Ethanediamine, Ethylene diamine, Ethylendiamine, edamine
化学标识符
SMILES
C(CN)N
InChI
InChI=1S/C2H8N2/c3-1-2-4/h1-4H2
PubChem CID
3301

性质

熔点
8.5 °C
沸点
116-117 °C
相对密度（水 = 1）
Relative density (water = 1): 0.9
水中溶解度
Water solubility = 1X10+6 mg/l

Related compounds

参考文献

  1. PubChem Compound Summary: Ethylenediamine (CID 3301)National Center for Biotechnology Information · PubChem

    Identity, molecular formula, molecular weight and aliases retrieved via PUG REST on 2026-09-08.

  2. OpenStax Organic Chemistry: Structure and properties of aminesJohn McMurry · OpenStax · 2023

    Supports the qualitative structure and reactivity context; identity and numerical measurements retain their original references.

  3. 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.

  4. Hazardous Substances Data Bank (HSDB): Ethylenediamine — melting pointHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/3301#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. 646

  5. Hazardous Substances Data Bank (HSDB): Ethylenediamine — boiling pointHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/3301#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. 646

  6. ILO-WHO International Chemical Safety Cards (ICSCs): Ethylenediamine — densityILO-WHO International Chemical Safety Cards (ICSCs)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/3301#section=Density. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred.

  7. Hazardous Substances Data Bank (HSDB): Ethylenediamine — solubilityHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/3301#section=Solubility. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Riddick, J.A., W.B. Bunger, Sakano T.K. Techniques of Chemistry 4th ed., Volume II. Organic Solvents. New York, NY: John Wiley and Sons., 1985., p. 620