How is styrene (CAS:100-42-5) manufactured?
Styrene is primarily produced through the reaction of ethylene and benzene under the action of a catalyst. The specific process is as follows:
Raw Material Preparation
The main raw materials for styrene are benzene and ethylene. Benzene is an intermediate raw material in the petrochemical industry, while ethylene is a hydrocarbon component derived from oil refining.
Catalytic Reaction
Benzene and ethylene are mixed, then a catalyst is added to initiate the reaction. Acidic solid catalysts, such as alumina, are typically employed.
Product Separation
Following the reaction sequence, styrene must be isolated from the reaction mixture. Distillation is commonly used for product separation. The distilled styrene undergoes further rectification and purification before being ready for industrial use.
Chemical Properties of Styrene
Styrene is an unstable compound prone to polymerization reactions. It undergoes addition reactions, oxidation reactions, halogenation reactions, and aromatic tautomerism. For example, styrene reacts with hydrogen gas under catalysis to undergo hydrogenation, yielding ethylbenzene.
Physical Properties of Styrene (CAS:100-42-5)
Styrene is a colorless liquid with a distinctive aromatic odor. It has a density of 0.909 g/cm³, a melting point of -30.6°C, and a boiling point of 145.3°C. Styrene is highly soluble in organic solvents such as benzene, ethanol, and chloroform, but it is not readily soluble in water.
Applications of Styrene (CAS:100-42-5)
Styrene is a vital chemical feedstock widely used in synthesizing polystyrene, ABS resin, synthetic rubber, and various synthetic fibers. Additionally, it serves in manufacturing flavorings, dyes, and synthetic pharmaceuticals.
Why Choose Gneebio as Your Supplier?
As a Styrene manufacturer, Gneebio focuses on product consistency, industrial applicability, and bulk supply reliability. The company operates under strict quality management systems to ensure that cyclohexanone meets the requirements of large-scale and continuous production environments.
Key manufacturing and supply strengths include:
- Controlled purity grades suitable for industrial and synthetic applications
- Stable batch-to-batch quality for long-term procurement
- Bulk supply capability to support contract and spot orders
- Export-ready packaging and documentation (COA, SDS, etc.)
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