Molecular formula: C4H4O4

Molecular weight: 116.07

Shape: white powder or crystalline solid. Sour taste, soluble in ethanol, slightly soluble in water, insoluble in chloroform.

Quality specification:

The main content is 99.5%-100.5%

Melting range 286℃ ~ 302℃

Arsenic (As) ≤3PPM

Heavy metal (Pb) ≤10PPM

Drying weight loss ≤0.50%

Ash content ≤0.1%

Use:

Fumaric acid used as food sour agent, it can replace malic acid, citric acid, its acidity is 1.5 times that of citric acid, and plays the role of food anti-mildew agent, preservative, antioxidant. Used as acidity regulator, acidifier, anti-heat oxidation agent, salting accelerator, spice; When used as an acidic substance in the gas producing agent of solid drinks, the bubbles of the product are long-lasting and delicate; Fumaric acid is an intermediate in fine chemicals such as pharmaceuticals and optical bleach. In the pharmaceutical industry, it is used in the production of the antidote sodium dimercaptosuccinate and the drug for the treatment of small red blood cell anemia.