Alfa-metylostyren - (Prop-1-en-2-ylo)benzen - 2-fenylopropen - AMS >99% - 20 000ml = 4x5L

Alpha-Methylstyrene (AMS)

Synonyms:

• 2-Phenylpropene

• (Prop-1-en-2-yl)benzene

• α-Methylstyrene

• AMS

CAS Number: 98-83-9
EC Number: 202-705-0
Chemical Formula: C₉H₁₀
Molar Mass: 118.18 g/mol
Appearance: Colorless to pale yellow liquid with a characteristic odor

Description

Alpha-methylstyrene is an organic compound belonging to the group of aromatic hydrocarbons. It consists of a phenyl group bonded to a propene chain, making it a structural analog of styrene with a methyl group at the alpha position. It is a flammable, volatile liquid used primarily as a monomer or comonomer in polymer chemistry.

Chemical and Physical Properties

• Density: 0.91 g/cm³ (20 °C)

• Melting Point: −23 °C

• Boiling Point: 165–167 °C

• Flash Point: 39 °C (closed cup)

• Autoignition Temperature: 510 °C

• Solubility in Water: Practically insoluble

• Solubility in Organic Solvents: Miscible with alcohol, ether, and most organic solvents

• Vapor Pressure: ~2.4 mmHg at 20 °C

Applications

• Polymer Industry: Used as a comonomer in the production of AMS-containing resins such as AMS-SAN (α-methylstyrene-acrylonitrile).

• Coatings and Resins: Intermediate for synthetic resins and specialty polymers.

• Organic Synthesis: Solvent and reagent in polymerization and chemical synthesis.

⚠️ Not intended for use in food or pharmaceutical applications.

Safety Information

Signal Word: ⚠️ Warning

GHS Hazard Statements