Product name: Fumaric acid
Alias: trans-2-Butenedioic acid; L-Fumaric Acid
CAS No.: 110-17-8
EINECS No.: 203-743-0
Molecular formula: C₄H₄O₄
Molecular weight: 116.07
Property: Monoclinic colorless needle-shaped or leaflet-shaped crystals with a fruity sour taste. 
Solubility: Slightly soluble in water, ether and acetic acid, soluble in ethanol. Almost insoluble in chloroform. 
Uses: Used in the manufacture of unsaturated polyester resins, pesticides, acidulants and amino acids, etc.