Chemwill Asia co.,Ltd is one of the leading manufacturer in CHINA.Our main production base is located in Xuzhou industry park. We produce a wide range of organics including Active pharmaceutical ingredients(APIs), Veterinary, Indole derivatives, Aromatics, Fluorine, Boronic acids, organocatalysts, chiral building blocks, heterocyclic compounds. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block as well as Tailor-made fine chemicals. We have Strong quality control system: Strength of our ethical commitment to quality control and quality assurance systems firmly based on ISO standard. QA and QC used in the whole process of raw materal control, process control and finished product quality inspection. 

1.client is first.

2.credibility is the most important.

3.quality control is our life.

4.great sense of responsibility.

5.we will be responsible for not only our products, our clients, also the society.

The corporation's destination: we will constantly strive to supply customers with new and high-tech products and will keep the leadership in the field. 

Fumaric acid is an important organic chemical raw material, as well as the intermediate of fine chemical products, as well as an important derivative of maleic anhydride, widely used in food, coatings, resins, plasticizers. In the food industry, fumaric acid as an acid agent, can be used in cool drinks, western wine, cold drinks, concentrated fruit juice, canned fruit Chemicalbook, pickles, ice cream. As a solid beverage gas production agent of acidic substance, bubble durability, fine product organization. Usage: Fumaric acid is a food acidity regulator, acidifier, antioxidant agent, pickling accelerator and edible spice permitted by GB2760-1996.

Fumaric acid molecular structure contains conjugated maleyl, ethylene double bond ends each connected with a carbonyl group, chemical properties are very active. Diels-alder reaction can be performed. Polymerization reactions (self-polymerization and copolymerization); Acylation, amidation, halogenation, hydrogenation, hydration or dehydration, alkylation, free radical reaction, nucleophilic reaction and other addition reactions; Isomerization reaction, heated to 250 ~ 300℃ chemical book into maleic acid; Esterification reaction; In acyl halogenation, only diacyl chloride can be formed, but monoacyl chloride cannot be formed. Oxidation and reduction reaction, oxidation with potassium permanganate, racemic tartaric acid; Decomposition and decarboxylation reaction and sulfonation reaction. This information was edited by Chemicalbook Xiaonan (2015-09-02).