alpha-Methylstyrene is similar to styrene in its polymerization, but if it is used instead of styrene to make ABS resin, the ABS resin will have better thermal stability. alpha-Methylstyrene is also used as a raw material for paints and adhesives.
- CAS: No. 98-83-9
- EINECS: No. 202-705-0
- Japan, Chemical Substances Control Law: No. 3-5
- Japan, Poisonous and Deleterious Substances Control Law: Not applicable.
- Japan, Fire Services Law: Hazardous material Class 4 Petroleums No.2 (non-water-soluble liquid).
alpha-Methylstyrene, like styrene, is an aromatic hydrocarbon compound capable of addition polymerization. It has the following properties.
|Japan, Chemical Substances Control Law METI-No.||3-5, 3-8|
|Appearance||Clear Colorless liquid|
|Melting Point (℃)||-23|
|Boiling Point (℃)||161|
|Flash Point (℃)||45|
|Autoignition Temperature (℃)||574|
|Flammability Range (%)||1.9～6.1|
Mitsubishi Chemical's α-Methylstyrene features high purity.
For heat-resistant ABS, it is used instead of styrene. In addition, it is a raw material for organic compounds used as pigments, paint adhesive agents, etc. Also it is used as an additive for plastics.