WeylChem Griesheim GmbH

WeylChem Griesheim is located in the Industrial Park of Griesheim in the vicinity of Frankfurt. The geographic location allows for quick access to the most efficient mode of transportation (road, rail, river, airport). All production plants use the secure and efficient infrastructure (energy, waste water treatment, site security) of well developed chemical sites.

WeylChem Griesheim is highly versatile site with flexible units that allow efficient and economical multi-step custom and toll manufacturing. The site is specialized in chlorination of aromatic nucleus, fluorination via Halex reaction, methylation and catalytic hydrogenation to name a few.

Focus technologies

  • Diazotization
  • Halogen Exchange
  • Halogenation
  • Ring Chlorination
  • Sandmeyer reaction
  • Ullmann coupling
  • Catalytic hydrogenation (high pressure, large scale)
  • Condensation reactions
  • Nitration
  • Friedel-Crafts reaction
  • Aromatic nucleophilic substitution
  • Acid chloride formation
  • Distillation plant
  • Melt crystallization


WeylChem Griesheim is ISO 9.001, 14.001 and 50.001 certified.


1856 „Frankfurter AG für landwirtschaftlich-chemische Fabrikate“ founded in Griesheim
1890 Construction of first production scale chloralkali electrolysis
1953 This site was combined with Farbwerke Höchst (later Hoechst AG)
1997 Acquisition of the Specialty Fine Chemicals business to Clariant AG
2003 Foundation of the Industrial Park Griesheim
2007 Acquired by ICIG and creation of the WeylChem Group of Companies
2017 Formation of WeylChem Griesheim within WeylChem Group of Companies




WeylChem Frankfurt GmbH
Stroofstraße 27
65933 Frankfurt am Main

Phone +49 69870002-222


Rafael Reiser