Alpha-methylstyrene CAS 98-83-9

Product name:Alpha-methylstyrene
CAS:98-83-9
MF:C9H10
MW:118.18

EINECS: 202-705-0
Melting point: −24 °C
Boiling point: 165-169 °C
Density: 0.909 g/mL

Purity:≥99%

Water: ≤0.1%

Colorless transparent liquid

1. Alpha-methylstyrene CAS 98-83-9 is primarily used as a monomer for producing resins and polymers, including acrylonitrile-styrene-acrylic copolymers and α-methylstyrene-acrylonitrile copolymers.
2. Alpha-methylstyrene CAS 98-83-9 is used as a modifier to improve heat resistance and impact strength in ABS resins and polyester/alkyd resins.
3. Alpha-methylstyrene CAS 98-83-9 serves as a chemical intermediate in the manufacture of plasticizers, resins, and polymers.
4. Alpha-methylstyrene CAS 98-83-9 is employed as a solvent in certain industrial applications.

1. Store Alpha-methylstyrene CAS 98-83-9 only in stabilized form, as the unstabilized material is prone to hazardous polymerization.
2. Store Alpha-methylstyrene CAS 98-83-9 in a cool, dry, well-ventilated area away from heat and ignition sources.
3. Keep Alpha-methylstyrene CAS 98-83-9 in tightly closed containers, separated from strong oxidants, peroxides, halogens, and metal catalysts.
4. Store Alpha-methylstyrene CAS 98-83-9 in an area without drain or sewer access, and ensure containers are grounded to prevent static discharge.

1. Alpha-methylstyrene CAS 98-83-9 is a flammable liquid and vapor (H226) with a flash point of approximately 46°C.
2. Alpha-methylstyrene CAS 98-83-9 causes skin irritation, serious eye irritation, and may cause respiratory irritation.
3. Alpha-methylstyrene CAS 98-83-9 may cause drowsiness or dizziness and is suspected of causing cancer (H351, Carcinogenicity Category 2).
4. Alpha-methylstyrene CAS 98-83-9 may be fatal if swallowed and enters airways (H304, Aspiration Hazard Category 1), and prolonged or repeated exposure may cause damage to the liver, respiratory system, and kidneys.

1. Alpha-methylstyrene CAS 98-83-9 is not safe for ingestion and is classified as a combustible liquid under NFPA and GHS standards.
2. Alpha-methylstyrene CAS 98-83-9 is a suspected carcinogen (IARC Group 2B) and should be handled only by trained personnel with appropriate personal protective equipment.
3. Alpha-methylstyrene CAS 98-83-9 has an occupational exposure limit of 50 ppm TWA and 100 ppm STEL, and exposure must be controlled through engineering measures and respiratory protection.
4. Alpha-methylstyrene CAS 98-83-9 is toxic to aquatic life and must not be released into drains or the environment, and spills should be collected and disposed of as hazardous waste.

1 L/bottle, 25 L/drum, 200 L/drum, 1000 L/IBC drum or based on customers' requirements.

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