Isopropenylbenzene “alpha-methylstyrene”

Home
›
Products & Services
›
Departments
›
Polymer Div.
›
Phenol and Polycarbonate Dept.
›
alpha-methylstyrene

Isopropenylbenzene
“alpha-methylstyrene”

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

Contact Information

Phenol and polycarbonate Department

All Information
Characteristics
Applications
Specifications

Isopropenylbenzene “alpha-methylstyrene” Characteristics

■ About Isopropenylbenzene “alpha-methylstyrene”

alpha-Methylstyrene, like styrene, is an aromatic hydrocarbon compound capable of addition polymerization. It has the following properties.

Common Names:	α−Methylstyrene, Methylstyrene, alpha-Methylstyrene, Isopropenylbenzen
Structure:
CAS No:	98-83-9
Japan, Chemical Substances Control Law METI-No.:	3-5, 3-8
Formula:	C₆H₅C(CH₃)=CH₂
Molecular Weight:	118
Appearance:	Clear Colorless liquid
Melting Point (℃):	-23
Boiling Point (℃):	161
Specific Gravity:	0.91
Flash Point (℃):	45
Autoignition Temperature (℃):	574
Flammability Range (%):	1.9～6.1

■ Isopropenylbenzene “alpha-methylstyrene” Characteristics

Mitsubishi Chemical's α-Methylstyrene features high purity.

Isopropenylbenzene “alpha-methylstyrene” Applications

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.

Isopropenylbenzene “alpha-methylstyrene” Specifications

Please inquire.

■ alpha-methylstyrene site search classification

[Product Families]
Basic petrochemicals/
[Applications]
Industrial chemicals/