Benzene

Benzene (CAS 71-43-2, EC 200-753-7, formula C6H6) is an aromatic hydrocarbon solvent also referred to as BNZ, Phene, or Benzen. It carries no assigned E-code. It is classified under HS code 29022000 and belongs to the solvents category.

In pharmaceutical manufacturing, benzene functions as a reaction solvent and catalyst carrier, facilitating organic synthesis steps where controlled solvation of reactive intermediates is required. In printing and packaging, it acts as a solvent for colorants and resins, dissolving pigment matrices to achieve uniform ink dispersion. It also serves antimicrobial and preservation roles in certain formulation contexts.

Benzene is supplied in liquid form and is subject to strict REACH regulation within the EU, with occupational exposure limits enforced under REACH Annex XVII due to its classification as a CMR substance. Procurement must account for applicable handling and transport restrictions. Buyers should confirm grade specifications and compliant packaging formats directly with the supplier prior to ordering.