硬脂酸

硬脂酸（C18H36O2）的分子结构、物理性质与来源记录。摩尔质量 284.5 g/mol。查看化学标识、相关反应和材料用途。

化学式
C18H36O2
官能团
羧酸
摩尔质量
284.5 g/mol
Also known as
octadecanoic acid, n-Octadecanoic acid, Stearophanic acid, Stearex Beads, 1-Heptadecanecarboxylic acid, Pearl stearic

Identifiers

化学式
C18H36O2
官能团
羧酸
摩尔质量
284.5 g/mol
Also known as
octadecanoic acid, n-Octadecanoic acid, Stearophanic acid, Stearex Beads, 1-Heptadecanecarboxylic acid, Pearl stearic
化学标识符
SMILES
CCCCCCCCCCCCCCCCCC(=O)O
InChI
InChI=1S/C18H36O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h2-17H2,1H3,(H,19,20)
PubChem CID
5281

性质

熔点
69.3 °C
沸点
371 °C
密度
0.9408 g/cu cm at 20 °C
水中溶解度
In water, 0.568 mg/L at 25 °C

Related compounds

参考文献

  1. PubChem Compound Summary: Stearic acid (CID 5281)National Center for Biotechnology Information · PubChem

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

  2. Hazardous Substances Data Bank (HSDB): Stearic acid — melting pointHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/5281#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. 3-488

  3. Hazardous Substances Data Bank (HSDB): Stearic acid — boiling pointHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/5281#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. 3-488

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

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/5281#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. 3-488

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

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/5281#section=Solubility. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Robb ID; Aust J Chem 19: 2281-84 (1966)