Fumaric acid

Anhui sealong biotechnology co., ltd. Specialize in manufacturing food additive for more than thirty years, and now is the biggest manufacturer of dl-malic acid in china. The main products of our company are dl-malic acid and fumaric acid, and annual capacity of dl-malic acid is 20000mt per year. We obtained iso90001400022000 accreditation and registered with fda in america.
Detailed information on product
【product content (based on c4h4o4 )】99.5～100.5%
【maleic acid content】≤0.1%
【heavy metal (based on pb) content】≤10ppm
【arsenic (as) content】≤2ppm
【ignition residue】≤0.10%
【melting range】294～300℃
【water】≤0.50%
【package】25kgpaper bag
【storage】stored in a closed, dry and shade place away from light
main function and purpose
used as an acidulant, fumaric acid has bacteriostatic and antiseptic function. It also can be used as acidity regulator, acidifier, thermal-oxidative resist auxiliary, curing accelerant and spice. Used as acidic substance of effervescent agent, it can produce extended and exquisite bubbles.
Fumaric acid can be used as pharmaceutical intermediate and optical bleaching agent. In pharmaceutical industry, it is used to produce alexipharmic sodium dimercaptosuccinate and ferrous fumarate. Fumaric acid is also used in manufacturing unsaturated polyester resin.