Products Services About Media Contact Us About Group companies Allessa GmbH Allessa GmbH Allessa is one of the most experienced and innovative European fine chemical manufacturers. Our offering spans from proprietary products to custom manufacturing with leading positions in pigments, ligands, cosmetic ingredients, polymers and stabilizers. From first synthesis idea to the largest commercial volumes, we develop and produce either your or our own proprietary chemistry. Operational excellence enables an attractive lifecycle management for continuous commercial success. See More Capabilities 1 multi-purpose pilot plant for smaller scale (50 kg to 1 ton per year), reactors up to 1 m3 volume. 1 multi-purpose pilot plant for smaller scale (50 kg to 1 ton per year), reactors up to 1 m3 volume. 4 large-scale multipurpose plants for commercial volumes from 10 to 10.000 tons per year and product; reactor sizes up to 30 m3 volume More than 200 batch reactors from 0,5 to 30 m3 volume summing up to over 2.000 ³ total reactor volume in a large variety of available materials as glass lined, ceramics, carbon steel, stainless steel of different grades, alloys, etc. Expertise Products View All CAS-No: 92-84-2 Phenothiazine Prills See More CAS-No: 68957-94-8 Allessan® CAP See More Services Research & Development We offer chemistry research programs, process optimization, compound & custom synthesis plus excellent scale up capacities and a fully equipped kilolab. Discover Custom Manufacturing From lab samples to commercial volumes, our services and technologies are intelligently combined ensuring you benefit from efficient processes and custom manufactured products of the highest quality. Discover Certificates ISO 9001 ISO 14001 ISO 50001 Ecovadis Gold Medal Fully committed to follow Voluntary Guidelines of EFCG / CEFIC Location Allessa GmbH Alt-Fechenheim 34 60386 Frankfurt +49 69 4109-01 Did not find what you were looking for? Contact Us Meet the Team Products Advanced intermediates Care chemicals Services Custom manufacturing Research & Development Analytical services Custom Synthesis Media About Contact Sitemap Imprint Privacy Policy WeylChem International GmbH