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Alpha-Methylstyrene

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Alpha-Methylstyrene molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 4 grades and pack sizes of Alpha-Methylstyrene (CAS 98-83-9). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS98-83-9
Molecular formulaC9H10
Molecular weight118.18 g/mol
IUPAC nameprop-1-en-2-ylbenzene
Synonyms2-Phenylpropene · 2-Phenyl-1-propene · 2-Phenylpropylene · Benzene, (1-methylethenyl)- · 1-Methyl-1-phenylethylene · alpha-Methylstyrol
Safety & Hazards (GHS) Warning
Flammable Flammable Irritant Irritant Environmental hazard Environmental hazard
  • H226 Flammable liquid and vapor
  • H319 Causes serious eye irritation
  • H335 May cause respiratory irritation
  • H411 Toxic to aquatic life with long lasting effects

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand Product / grade Code
Sigma ALPHA-METHYLSTYRENE, 99% M80903-100ML
M80903-1L
M80903-2.5L
M80903-5ML		 Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.