Benzene

Benzene

CAS Number:71‑43‑2

Synonyms:Benzene; Benzol; Cyclohexatriene; Phenyl hydride

Chemical Formula:C₆H₆

Product Introduction

Benzene is a colorless, highly flammable liquid with a sweet, aromatic odor and zero dipole moment. It's a fundamental petrochemical feedstock used to produce ethylbenzene, cumene, cyclohexane, and various high-volume chemicals. Recognized as a known human carcinogen.

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Physical & Chemical Properties

Property Value
Appearance Colorless liquid
Odor Sweet, aromatic
Density @ 20 °C ~0.874 g/cm³
Melting Point 5.53 °C
Boiling Point 80.1 °C
Flash Point –11.6 °C
Vapor Pressure @ 25 °C ~12.7 kPa
Solubility ≈ 5.8 g/100 g water @ 20 °C; miscible with organics
Refractive Index (n₂₀ᴅ) 1.4948–1.5011
Molecular Weight 78.11 g/mol

Applications

  • Chemical feedstock: Precursor to ethylbenzene, cumene, cyclohexane, nylon, phenol, and resins.
  • Industrial solvent: Used in oil extraction, printing, degreasing, detangling, and dry-cleaning.
  • Laboratory reagent: Standard building block in research and synthetic chemistry.
  • Hazard note: Classified as a known human carcinogen; poses long-term health risks.

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