CAS 71-43-2 · Aromatic Chemical

Benzene
Refined Benzene

High-purity benzene (C₆H₆), the basic building block for styrene, phenol, nylon and polyurethane. Supplied in bulk cargoes by chemical tanker to petrochemical producers.

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C₆H₆Molecular formula
80.1°CBoiling point
0.877Density @ 20°C, g/cm³
5.5°CFreezing point

From Benzene to Everyday Products

Most benzene is converted into a small number of key intermediates.

Benzene→Ethylbenzene→Styrene→Polystyrene, ABS, SBR rubber
Benzene→Cumene→Phenol and acetone→Resins, polycarbonate
Benzene→Cyclohexane→Caprolactam, adipic acid→Nylon
Benzene→Nitrobenzene→Aniline→MDI polyurethane

Typical Specifications

Indicative values based on ASTM D2359 refined benzene. The final specification is agreed in the contract and confirmed by the independent inspector's report.

ParameterTypical limitTest method
Benzene purity (% m/m)min 99.85gas chromatography
Solidification point (°C)min 5.35 (grade 535) / 5.45 (grade 545)ASTM D852
Density @ 15°C (g/cm³)approx. 0.877 – 0.882ASTM D4052
Distillation range (°C)max 1.0, including 80.1ASTM D850
Colour (Pt-Co)max 20ASTM D1209
Acid wash colourmax No. 2ASTM D848
Total sulphur (mg/kg)max 1ASTM D5453
Toluene (% m/m)max 0.05gas chromatography
Non-aromatics (% m/m)max 0.10gas chromatography
Appearanceclear, free of water and suspended mattervisual

Values are indicative only and depend on the producer. Cargo quality is established by independent inspection at the load port.

Where Benzene Goes

A raw material for plastics, fibres, rubber and foam.

Styrene

The largest use. Polystyrene, packaging, insulation and synthetic rubber.

Cumene

Converted into phenol and acetone for resins and engineering plastics.

Cyclohexane

Feedstock for nylon 6 and nylon 66 fibres and plastics.

Aniline and Others

Polyurethane foams, dyes, detergents and maleic anhydride.

Safety notice. Benzene is highly flammable and a known human carcinogen. It is transported and handled under chemical tanker, IMDG and local occupational health rules. A safety data sheet is supplied with each cargo.

Commercial Terms

  • Quantity: bulk cargoes by chemical tanker, spot and term
  • Payment: as agreed in the contract
  • Inspection: independent inspector at load and discharge
  • Documents: ICPO, SCO, CI, PPOP
  • Buyers must hold the permits required to import and handle benzene

Delivery Terms

Loading at export terminals worldwide. Delivery to discharge ports as agreed.

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