Chemical name:



chloralkali, raw materials and intermediates

Markets and applications:



raw materials & intermediates, solvents


chlorine derivatives


PCC Rokita SA Chlorine Business Unit

CAS No.:



Chlorobenzene, also known as monochlorobenzene (MCB), is a colourless, volatile, water-insoluble liquid with a light, pleasant almond fragrance. It belongs to the family of organic halogen compounds, which is a large class of natural and synthetic chemical substances. These compounds contain one halogen atom or more (fluorine, chlorine, bromine, or iodine) combined with carbon atoms and other elements. Chlorobenzene is formed by the direct chlorination reaction of benzene.

Monochlorobenzene takes part in the production process and the use of high quality raw materials, the product is generated at the chlorobenzene plant is characterised by very high quality parameters. The obtained product is used for specialised pharmaceutical applications.

MCB is also applied as a high-boiling-point solvent in industrial synthesis and in laboratories. 

Monochlorobenzene is also an important element in the production of API (Active Pharmaceutical Ingredients). In the pharmaceuticals industry it is used, among others, in paracetamol synthesis (paraaminoacetylphenol) or vitamin B6. The product plays a role in drug synthesis for epilepsy, thyroid, and liver cancer as well as osteoporosis medicine.

In addition to the above-mentioned products, chlorobenzene is used for the production of zoledronic acid (a drug in the treatment of osteoporosis in postmenopausal women and in men who have an increased risk of bone fractures), as well as chlorfenoksamine (a drug used as an antiallergic and anti-aging agent, works analogously to diphenhydramine) .


The product is offered in steel barrels (220kg), isotanks, road truck tanks, rail tanks.

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Properties and applications:

  • high purity of the product;
  • production of Active Pharmaceutical Ingredients (APIs);

Alternative names:

Show alternative names
benzene chloride; monochlorobenzene; phenyl chloride; chlorobenzol; MCB; (Hide)


monochlorobenzene phenyl chloride chlorobenzene benzene chloride MCB benzyl chloride
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