α-Methylstyrene
α-Methylstyrene (CAS: 98-83-9), with the molecular formula C6H5C(CH3)=CH2 and a molecular weight of 118.18 g/mol, is a clear, colourless liquid. It is a functionalized styrene monomer primarily used in the synthesis of polymers and copolymers. Its reactivity makes it a valuable building block in materials science research and industrial applications requiring specific polymer properties.
- IUPAC
- 2-Phenylpropene,Isopropenylbenzene
- Synonyms
- 2-PhenylpropeneIsopropenylbenzene
Polymer Synthesis
α-Methylstyrene serves as a monomer in the production of various polymers and copolymers, influencing properties such as heat resistance and flexibility. It is often used in specialty resins and adhesive formulations.
Chemical Intermediate
This compound acts as an intermediate in the synthesis of more complex organic molecules. Its phenyl and isopropenyl groups offer versatile reaction sites for organic chemists.
Materials Science Research
Researchers utilise α-Methylstyrene in developing novel materials with tailored characteristics. Its incorporation into polymer chains can modify mechanical and thermal performance.
| Molecular weight | 118.18 |
|---|---|
| Linear formula | C6H5C(CH3)=CH2 |
| Assay | 99% |
| Boiling point | 165-169 °C(lit.) |
| Density | 0.909 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.538(lit.) |
| Vapour pressure | 2.1 mmHg (20 °C) |
| Melting point | −24 °C(lit.) |
| Vapour density | 4.1 (vs air) |
| Autoignition temp | 1065 °F |
| Storage temperature | 2-8°C |
| Contains / stabiliser | 15 ppm p-tert-butylcatechol as inhibitor |
Hazard statements
- H226Flammable liquid and vapour
- H319Causes serious eye irritation
- H335May cause respiratory irritation
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 46 °C / 114.8 °F |
| Transport (UN / ADR) | UN 2303 3 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xi,N |
| Risk statements (R) | 10-36/37-51/53 |
| Safety statements (S) | 61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Expl Lim | 6.1 % |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is α-Methylstyrene used for?
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α-Methylstyrene is used in polymer synthesis, as a chemical intermediate for complex organic molecules, and in materials science research for developing novel materials with specific thermal and mechanical properties.
What is the CAS number and formula for α-Methylstyrene?
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The CAS number for α-Methylstyrene is 98-83-9, and its molecular formula is C6H5C(CH3)=CH2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies α-Methylstyrene with a minimum assay of 99%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How is α-Methylstyrene handled and stored?
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α-Methylstyrene is a flammable liquid and vapour (H226) that causes serious eye irritation (H319) and may cause respiratory irritation (H335). It is also toxic to aquatic life with long-lasting effects (H411). Store in a cool, well-ventilated place away from heat and ignition sources, at temperatures between 2-8°C, and ensure it contains the appropriate inhibitor.
How is α-Methylstyrene packed, shipped, and exported?
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α-Methylstyrene is carefully packed according to international shipping regulations for hazardous materials. Tech Serve Solutions, as a global supplier and exporter, ensures compliance with all relevant transport and export requirements.
How can I request a sample or a quote for α-Methylstyrene?
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To request a sample or a quote for α-Methylstyrene, please contact our sales team through the website or by phone, providing your specific requirements and shipping details.
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