Styrene

Styrene is an organic compound, the chemical formula is C8H8, the electron of vinyl and benzene ring conjugated, insoluble in water, soluble in ethanol, ether and other organic solvents, is an important monomer of synthetic resin, ion exchange resin and synthetic rubber.

Chemical properties:

The chemical formula of styrene (C8H8) contains benzene ring and vinyl group, so it has both the stability of benzene ring and the reactivity of ethylene. Due to the existence of double bonds, styrene is easy to undergo addition reactions, and a variety of polymers and compounds with different properties can be prepared.

Physical properties:

Styrene is a colorless oily liquid with an aromatic taste and a melting point of -31 ° C and a boiling point of 145 ° C. It has a density of 0.906g/ml and is soluble in many organic solvents and insoluble in water. In addition, styrene also has the characteristics of inflammability, high toxicity and poor stability.

1. Used for organic synthesis and resin synthesis.

2. Mainly used as polystyrene, synthetic rubber, engineering plastics, ion exchange resin and other raw materials.

3. Used to prepare copper plating brightener, play a leveling and brightening role.

4. The most important use is as a monomer of synthetic rubber and plastics, used to produce styrene butadiene rubber, polystyrene, polystyrene foam; It is also used to co-polymerize with other monomers to make engineering plastics for many different purposes. For example, ABS resin obtained by copolymerization with acrylonitrile and butadiene is widely used in various household appliances and industry; SAN copolymerized with acrylonitrile is an impact resistant resin with bright color. SBS copolymerized with butadiene is a thermoplastic rubber, which is widely used as a modifier of polyvinyl chloride and polypropylene. In addition, small amounts of styrene are also used as intermediates such as spices. Cinnamyl chloride obtained by chloromethylation of styrene is used as the intermediate of the non-narcotic analgesic Qiangtongidine, styrene is also used as the original drug of the cough and expectorant cough azine, and the anticholinergic megaline.

5. Electron microscope analysis, organic synthesis.

6. Electron microscope analysis, organic synthesis. Used in ICP-AES, AAS, AFS, ICP-MS, ion chromatography, etc. Standard solution for titration analysis. Calibrating instruments and devices; Evaluation method; Working standards; Quality assurance/quality control; Other.

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                                                                Styrene inspection report for industrial use

Skin contact: Remove contaminated clothing and rinse skin thoroughly with soap and water.

Eye contact: Immediately lift eyelids and rinse thoroughly with plenty of running water or saline for at least 15 minutes. Seek medical attention.

Inhalation: Quickly remove from the scene to fresh air. Keep your airway clear. Administer oxygen if breathing is difficult. If breathing stops, give artificial respiration immediately. Seek medical attention.

Ingestion: Drink enough warm water to induce vomiting. Seek medical attention.