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a-Methylstyrene
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| Chemical Name | a-Methylstyrene |
| Synonyms | (1-Methylethenyl)-benzene; Isopropenyl-benzene; α-Methyl-styrene; (1-Methylethenyl)benzene; 1-Methyl-1-phenylethene; 1-Methyl-1-phenylethylene; 1-Methylvinyl benzene; 1-Phenyl-1-methylethylene; 2-Phenyl-1-propene; 2-Phenyl-1-propylene; 2-Phenyl-2-propene; 2-Phenylpropene; 2-Phenylpropylene; Isopropenylbenzene; Methylstyrene; NSC 9400; Prop-1-en-2-ylbenzene; α-Methylstyrene; α-Methylstyrol; α-Methylvinylbenzene; β-Phenylpropylene |
| CAS Number | 98-83-9 |
| Molecular Formula | C₉H₁₀ |
| Molecular Weight | 118.18 |
| Category | Building Blocks; Monomers; Miscellaneous; |
| Applications | a-methylstyrene (AMS) is a useful intermediate. It can be used in the manufacture of plasticizers, resins and polymerization production processes. It is a co-product formed in a variation of the cumene process. The homopolymer obtained from this monomer, poly(a-methylstyrene), is unstable, being characterized by a low ceiling temperature. |
| Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package |
A Comprehensive Guide to a-Methylstyrene
a-Methylstyrene is a colorless liquid organic compound that is widely used in the production of various plastics, resins, and polymers. This versatile chemical compound has various applications in different industries, including automotive, packaging, construction, and electronics. In this article, we will discuss everything you need to know about a-Methylstyrene, its properties, applications, and safety considerations.
What is a-Methylstyrene?
a-Methylstyrene, also known as alpha-Methylstyrene, is an organic compound with a chemical formula of C9H10. It is an isomer of styrene and is produced by the alkylation of toluene or by the dehydrogenation of isopropylbenzene. It is a colorless liquid with a pungent odor and a boiling point of 160°C.
Properties of a-Methylstyrene
a-Methylstyrene has several physical and chemical properties that make it a valuable compound in the manufacturing industry. Here are some of the key properties of a-Methylstyrene:
Physical Properties
- Molecular Weight: 118.18 g/mol
- Density: 0.902 g/cm3
- Melting Point: -48°C
- Boiling Point: 160°C
- Flash Point: 45°C
- Solubility: Insoluble in water, but soluble in most organic solvents
Chemical Properties
- It readily polymerizes and is reactive with a variety of chemicals, including acids, bases, and oxidizing agents.
- It can undergo various chemical reactions, such as hydrogenation, oxidation, and nitration, to form different derivatives.
Applications of a-Methylstyrene
a-Methylstyrene has various applications in different industries, primarily in the production of plastics, resins, and polymers. Here are some of the primary applications of a-Methylstyrene:
Plastic Industry
- a-Methylstyrene is used in the production of various styrenic polymers, including acrylonitrile-butadiene-styrene (ABS), styrene-acrylonitrile (SAN), and styrene-maleic anhydride (SMA).
- It is also used as a co-monomer in the production of styrene-butadiene rubber (SBR) and styrene-isoprene-styrene (SIS) block copolymers.
Resin Industry
- a-Methylstyrene is used in the production of unsaturated polyester resins (UPR) and alkyd resins.
- It is also used in the production of phenolic resins, which are widely used in the automotive and construction industries.
Other Applications
- a-Methylstyrene is used as a solvent in the electronics industry for the production of photoresists and as a chemical intermediate in the production of various other chemicals.
Safety Considerations
Like any other chemical compound, a-Methylstyrene should be handled with care to ensure safety. Here are some safety considerations when handling a-Methylstyrene:
- a-Methylstyrene is flammable and can ignite at temperatures above its flashpoint. Therefore, it should be stored in a cool, dry, and well-ventilated area away from sources of heat and flames.
- It can cause skin and eye irritation upon contact. Therefore, it is essential to wear protective clothing, gloves, and goggles when handling a-Methylstyrene.
- Inhalation of a-Methylstyrene vapor can cause respiratory irritation and even damage to the lungs. Therefore, it should be used in a well-ventilated area, and respiratory protection should be used where necessary.
Environmental Considerations
a-Methylstyrene is not classified as hazardous to the environment. However, like any other chemical compound, it can have adverse effects on the environment if not handled properly. Therefore, it is essential to follow proper handling, storage, and disposal procedures to minimize its impact on the environment.
Conclusion
a-Methylstyrene is a versatile chemical compound widely used in the production of various plastics, resins, and polymers. Its physical and chemical properties make it a valuable compound in different industries, including automotive, packaging, construction, and electronics. However, it should be handled with care, and proper safety measures should be taken to ensure the safety of the workers and the environment.