甲基丙烯酸

甲基丙烯酸（C4H6O2）的分子结构、物理性质与来源记录。摩尔质量 86.09 g/mol。查看化学标识、相关反应和材料用途。

化学式
C4H6O2
摩尔质量
86.09 g/mol
Also known as
2-methylprop-2-enoic acid, 2-Methylacrylic acid, Methylacrylic acid, 2-Propenoic acid, 2-methyl-, 2-Methylpropenoic acid, 2-Methyl-2-propenoic acid

Identifiers

化学式
C4H6O2
摩尔质量
86.09 g/mol
Also known as
2-methylprop-2-enoic acid, 2-Methylacrylic acid, Methylacrylic acid, 2-Propenoic acid, 2-methyl-, 2-Methylpropenoic acid, 2-Methyl-2-propenoic acid
化学标识符
SMILES
CC(=C)C(=O)O
InChI
InChI=1S/C4H6O2/c1-3(2)4(5)6/h1H2,2H3,(H,5,6)
PubChem CID
4093

性质

熔点
16 °C
沸点
163 °C at 760 mm Hg
相对密度（水 = 1）
Relative density (water = 1): 1.02
水中溶解度
In water solubility, 89 g/L at 20 °C

Related compounds

参考文献

  1. PubChem Compound Summary: Methacrylic acid (CID 4093)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): Methacrylic acid — melting pointHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/4093#section=Melting-Point. 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. Whitehouse Station, NJ: Merck and Co., Inc., 2006., p. 1026

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

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/4093#section=Boiling-Point. 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. Whitehouse Station, NJ: Merck and Co., Inc., 2006., p. 1026

  4. ILO-WHO International Chemical Safety Cards (ICSCs): Methacrylic acid — densityILO-WHO International Chemical Safety Cards (ICSCs)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/4093#section=Density. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred.

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

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/4093#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. 378