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Cepsa Chemicals Alpha Methylstyrene (AMS)

Cepsa Chemicals Alpha Methylstyrene (AMS) is a colorless liquid organic chemical employed in the production of a wide range of styrenic polymers. AMS is the result of splitting cumene hydroperoxide with sulfuric acid. Cumene itself is obtained through the catalytic alkylation of benzene with propylene. AMS is primarily used in the manufacturing of Acrylonitrile Butadiene Styrene (ABS), a thermoplastic resin, and finds applications in various industries, including coatings, food, and cosmetics.

Chemical Name: Alpha Methyl Styrene (AMS)

CAS Number: 98-83-9

Functions: Intermediate, Solvent

Chemical Family: Aromatics, Styrenics

Synonyms: 1-Methyl-1-Phenylethylene, 2-Phenyl Propylene, 2-Phenylpropane, 2-Phenylpropene, alpha-Methyl Styrene, AMS, Isopropenyl Benzene, Isopropyl Benzene, α-Methylstyrene

Knowde Enhanced TDS

Identification & Functionality

Chemical Family
Base Chemicals Functions
CASE Ingredients Functions
Cosmetic Ingredients Functions
CAS No.
98-83-9
EC No.
202-705-0

Features & Benefits

Base Chemicals Features
CASE Ingredients Features

Applications & Uses

Markets
Applications
  • Main use of AMS is the production of Acrylonitrile Butadiene Styrene (thermoplastic resin)
  • It is included in several applications, from coatings to food and cosmetic industries

Properties

Physical Form
Appearance
Clear free suspended material
Typical Properties
ValueUnitsTest Method / Conditions
Puritymin. 99.5%
Melting Point-23.2ºC
Boiling point164ºC
Auto Ignition Temperature574ºC
TBC10 - 20 mg/kgASTM D 4590
Phenolmax. 10mg/kgASTM D 3160
Cumenemax. 1000mg/kgGLC
Water Contentmax. 100mg/kgASTM E 1064
Density (at 20ºC)0.91g/cm3
Vapor preassure (at 50ºC)1.5kPa
Flash Point54ºCClosed cup
Refractive Index (at 20ºC)15
Colormax. 10Pt-Co ASTM D 1209

Regulatory & Compliance

Certifications & Compliance

Safety & Health

Safety and Health
  • Put on appropriate personal protective equipment.
  • Do not get in eyes or on skin or clothing.
  • Do not breathe vapor or mist.
  • Do not ingest.
  • Avoid release to the environment.

Packaging & Availability

Packaging Type

Storage & Handling

Storage Information
  • Store in accordance with local regulations.
  • Tank material: Stainless steel 316. Carbon steel with coatings.