丙烯腈

制造 ABS 的三种单体之一。

化学式
C3H3N
官能团
Alkene and nitrile
摩尔质量
53.06 g/mol
Also known as
propenenitrile, vinyl cyanide

概览

丙烯腈

乙烯基双键参与链增长，腈基保留为侧基。在 ABS 中，它参与构成苯乙烯–丙烯腈相，不是消费者直接使用的成品配料。工业氨氧化将它与丙烯、氨和氧联系起来；先制得腈类单体，再进行后续加成和接枝聚合。

Identifiers

化学式
C3H3N
官能团
Alkene and nitrile
摩尔质量
53.06 g/mol
Also known as
propenenitrile, vinyl cyanide
化学标识符
SMILES
C=CC#N
InChI
InChI=1S/C3H3N/c1-2-3-4/h2H,1H2
PubChem CID
7855

性质

熔点
-83.51 °C
沸点
77.2 °C
相对密度（水 = 1）
Relative density (water = 1): 0.8
水中溶解度
In water, 7.45X10+4 mg/L at 25 °C

Related compounds

参考文献

  1. ABS: monomers and manufacturing routesINEOS
  2. Lima: acrylonitrile manufacture from propene, ammonia and airINEOS Nitriles
  3. PubChem: AcrylonitrileNational Center for Biotechnology Information

    Identity retrieved 2026-09-08; matched against the record's isomeric structure. Unspecified stereochemistry remains unspecified.

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

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/7855#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. 3-8

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

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/7855#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. 3-8

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

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/7855#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): Acrylonitrile — solubilityHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/7855#section=Solubility. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Yalkowsky, S.H., He, Yan, Jain, P. Handbook of Aqueous Solubility Data Second Edition. CRC Press, Boca Raton, FL 2010, p. 46