Products Description of Benzene CAS#71-43-2
Benzene (C₆H₆) is an aromatic hydrocarbon typically found as a clear, colorless and highly flammable liquid with a distinctive sweet odor. As one of the fundamental feedstocks used in the chemical industry, it plays an important role in the production of numerous industrial materials and chemical intermediates. Benzene is widely used as a starting material for manufacturing derivatives such as styrene, phenol, cyclohexane, and other important chemicals. These derivatives are further utilized in the production of polymers, synthetic fibers, synthetic rubber, resins, and a broad range of industrial chemical products.
Benzene Chemical Properties
| Chemical Formula | C₆H₆ |
| Molecular Weight | 78.11 g/mol |
| CAS Number | 71-43-2 |
| IUPAC Name | Benzene |
| Synonyms | Benzol, Phenyl Hydride, Cyclohexatriene |
| Boiling Point | 80.1°C |
| Melting Point | 5.5°C |
| Density | 0.879 g/cm³ at 20°C |
| Vapor Pressure | 12.8 mmHg at 20°C |
| Solubility | Insoluble in water, soluble in organic solvents like alcohol, ether, and chloroform |
| Flash Point | -11°C (10°F) (closed cup) |
| Appearance | Colorless liquid with a sweet odor |
| Refractive Index | 1.501 at 20°C |
| Viscosity: | 0.65 cP at 25°C |
| Evaporation Rate: | 4.4 (butyl acetate = 1) |
| Packaging | 180kg/Drum, 1000kg/IBC, or bulk tanker |
Product Application of Benzene CAS#71-43-2
Chemical Manufacturing:
Styrene Production: Benzene is an important feedstock for the manufacture of styrene, which is subsequently used to produce polystyrene, ABS materials, synthetic rubber, and other polymer products.
Phenol Production: Benzene is widely used as a starting material for phenol production. Phenol is further processed into various plastics, resins, adhesives, and other chemical products.
Cyclohexane Production: Benzene can be converted into cyclohexane, an important chemical intermediate used in the production of nylon and a variety of synthetic fiber materials.
Caprolactam Production: Benzene also serves as an upstream raw material in caprolactam manufacturing, supporting the production of nylon-6 and related polymer products.
Solvent Applications:
Benzene has strong solvent properties and has historically been used in laboratory and industrial processes to dissolve oils, resins, and various organic materials. However, because benzene is carcinogenic and presents significant health hazards, its direct use as a solvent has been substantially reduced and replaced by safer alternatives in many applications.
Pharmaceutical Applications:
Benzene-derived intermediates are widely used as building blocks in organic synthesis and can be further processed in the manufacture of various pharmaceutical intermediates and pharmaceutical products.
Rubber Manufacturing:
Benzene is an important upstream chemical feedstock for the synthetic rubber industry. Its derivatives are used in the manufacture of several types of synthetic rubber materials for tires, automotive components, and other industrial rubber products.
Paints and Coatings:
Benzene was historically used as a solvent in certain paints, coatings, varnishes, and lacquers because of its ability to dissolve organic materials. Due to its health risks, however, its direct use in modern coating formulations has been significantly restricted or replaced by safer solvent systems.
