Halogenation is a chemical process that involves adding one or more halogens to a compound. The process by which halogenation occurs varies depending upon the substrate and the halogen in question. There are two basic types of halogenation reactions:

  1. Substitution reactions in which the halogen replaces another atom in the molecule, for example the chlorination of ethane.
  2. Addition reactions in which the halogen reacts with an unsaturated molecule, for example the reaction of chlorine or bromine with ethylene.

The two most widely practiced halogenating methods are bromination, and more prominently chlorination. Fluorine is the most reactive of the halogens. Because of this, fluorinations require the use of special equipment and conditions that only a few manufacturers are equipped to handle. Iodine is the least reactive of the halogens and is not widely used on an industrial scale.


Chlorination is an exothermic form of halogenation for compounding both saturated and unsaturated chemicals with chlorine or one of its derivatives to produce a variety of industrial solvents and polymeric precursors. At Jayhawk, we have successfully chlorinated using elemental chlorine (Cl2), hydrogen chloride (HCl), thionyl chloride (SOCl2), sulfuryl chloride (SO2Cl2), and phosphorous trichloride (PCl3). These reagents are suitable for chlorination of a variety of compounds yielding products that are used in the production of Agrochems, Pharmaceuticals, and Polymers.

Halogenation with Evonik Jayhawk

Jayhawk is a fine chemical specialist with demonstrable expertise in custom chemicals manufacturing. We have supplied chemical building blocks and active ingredients for commercial and industrial applications, with a significant global reach due to our robust and secure chain of supply.

If you would like any more information about performing halogenation techniques at our leading-edge facility, please do not hesitate to contact us.