Specialty Chemicals

WeylChem supports the specialty chemicals industry with a broad range of products and services, from the supply of basic raw materials, to the custom and toll manufacturing of advanced intermediates and additives, in particular for in the following markets:

Dyes & Pigments

WeylChem, with its Allessa company in Frankfurt, is a major european producer of intermediates for Dye and Pigment synthesis as well as crude pigments and finished dyes. Customers benefit from our extensive experience in production and quality assurance.


WeylChem manufactures a plethora of large-volume products used for processing Paper, Textile and Leather materials.


Photo chemicals include products for imaging and printing technologies. These latter have become an important part of everyday life from newspapers, magazines and books to photographs, films, transparencies, reports, currency, and credit cards.
WeylChem developed over the years a specific know-how to support its customers in developing and producing specific compounds and formulations.

Pharma non-GMP

WeylChem provides a broad range of advanced Intermediates and Reagents, manufactured under the strictest quality requirements, as building blocks and starting materials for the pharmaceutical industry worldwide.

We also offer customized solutions for new intermediates in close cooperation with our customers, ranging in size from early pilot scale of tens of kgs to full industrial scale in the tens of tons range.

If you are looking for a GMP supplier, please contact our sister company CordenPharma.