甘氨酸

最简单的 α-氨基酸,也是常见蛋白质氨基酸中不具手性的特例。

化学式
C2H5NO2
官能团
氨基酸
摩尔质量
75.07 g/mol
Also known as
2-aminoacetic acid, aminoacetic acid, Aminoethanoic acid, Glycocoll, Glycolixir, Glicoamin

概览

Its side chain is hydrogen, leaving two identical hydrogens on the alpha carbon. The amino and carboxyl groups give pH-dependent charge states, commonly represented by a zwitterion. Glycine therefore connects acid–base equilibria with the structural requirements for optical isomerism.

Identifiers

化学式
C2H5NO2
官能团
氨基酸
摩尔质量
75.07 g/mol
Also known as
2-aminoacetic acid, aminoacetic acid, Aminoethanoic acid, Glycocoll, Glycolixir, Glicoamin
化学标识符
SMILES
C(C(=O)O)N
InChI
InChI=1S/C2H5NO2/c3-1-2(4)5/h1,3H2,(H,4,5)
PubChem CID
750

性质

熔化/分解
290 °C decomposes
密度
1.161 g/cu cm @ 20 °C
水中溶解度
water solubility = 2.49X10+5 mg/l @ 25 °C
数据收录情况

Not published: Boiling Point.

Related compounds

参考文献

  1. PubChem Compound Summary: Glycine (CID 750)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: Structures of amino acidsJohn McMurry · OpenStax · 2023

    Supports the qualitative structural interpretation of the recorded molecular structure; no new physical measurement or verified preparative yield is claimed.

  3. Hazardous Substances Data Bank (HSDB): Glycine — melting pointHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/750#section=Melting-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Lide, D.R. (ed.). CRC Handbook of Chemistry and Physics. 79th ed. Boca Raton, FL: CRC Press Inc., 1998-1999., p. 3-173

  4. Hazardous Substances Data Bank (HSDB): Glycine — densityHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/750#section=Density. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Lide, D.R. (ed.). CRC Handbook of Chemistry and Physics. 79th ed. Boca Raton, FL: CRC Press Inc., 1998-1999., p. 3-173

  5. Hazardous Substances Data Bank (HSDB): Glycine — solubilityHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/750#section=Solubility. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Yalkowsky SH, Dannenfelser RM; The AQUASOL dATAbASE of Aqueous Solubility. Fifth Ed, Tucson, AZ: Univ Az, College of Pharmacy (1992)