Chemical name: Maleic acid
Alias: (z)-butenedioicaci;1,2-Ethylenedicarboxylic acid, (Z);1,2-ethylenedicarboxylicacid,(z);2-Butenedioicacid(Z)-;acidemaleique;Butenedioic acid,(Z)-;cis-Ethylene-1,2-dicar-boxylicacid;Kyselina maleinova
English name: Maleic acid
Molecular formula: C₄H₄O₅
Molecular weight: 116.0722
CAS No.: 10-16-7
EINECS No.: 203-742-5

Physical and chemical properties:
1.Properties: Monoclinic crystal system colorless crystal, astringent taste.
2.Melting point （℃）: 134-138℃;
3.Boiling point（℃）: 355.482℃;
4.Relative density (water =1) : 1.499
5.Flashing point: 182.981℃;
6. Water solubility: 788g/L
7.Solubility: Soluble in ethanol, acetone, water.

Safety information:
Dangerous Goods Mark: Xi Hazard Class Code: 36/37/38
Safety statement: 26-36 WGK Germany : 3
Specification: ≥99.0% Packaging: 25KG/bag
Uses: Mainly used in the manufacture of unsaturated polyester resin and the production of tartaric acid, fumaric acid, succinic acid, DL-malic acid, dyeing additives and oil preservatives and other compounds, in medicine, pesticides, food and other aspects also have a relatively wide range of applications.
Storage: dark and cool place.