Methyl styrene

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A colorless liquid that is often used as a monomer for Polystyrene and polyester resins. Methyl styrene polymerizes with heat or catalysts. It is also acts as a solvent for polyester resins, such as Bio-Plastic® (Wards Natural Science).

Synonyms and Related Terms

isopropenyl benzene; 2-phenylpropene

Chemical structure

Methyl styrene.jpg

Other Properties

Soluble in benzene. Insoluble in water.

Composition C6H5C(CH3):CH2
CAS 98-83-9
Melting Point -23.21
Density 0.9062
Molecular Weight mol. wt. = 118.2
Boiling Point 165.38

Hazards and Safety

Combustible. Moderate fire risk. Flash point = 54C Explosive limits in air 1.9-6.1% Moderately toxic by inhalation and skin contact.

LINK: International Chemical Safety Card

Sources Checked for Data in Record

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 627
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979

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