Fumaric acid is a colorless or white crystal powder, soluble in water and ethanol.
Specification:
The Item | Unit | The Standard |
Appearance | -- | white crystalline powder |
Assay | % | 99.5-101% |
Moisture | % | 0.25Max. |
Melting Range | ºC | |
Residue on Ignition | % | 0.1Max. |
Heavy Metals | ppm | 10Max. |
Arsenic | ppm | 3Max. |
Color | Hazen | 15Max. |
1 In food: as food acidulant, it has important function on preservative and bacterial inhibit.
2 In industry: fumaric acid is used for the production of unsaturated polyester resin, such resins are characterized by good resistance to chemical corrosion, good heat resistance; fumaric acid and vinyl acetate copolymer is a good adhesive, and styrene copolymer is the manufacture of glass fiber reinforced plastic materials; fumaric acid obtained by plasticizers non-toxic, can be used for contact with food vinyl acetate latex.
3 It is also used in pharmaceutical industry.