Melamine, commonly known as dense amine, protein essence, molecular formula C3H6N6, IUPAC named “1,3,5-triazine-2,4,6-triamine”, is a triazine nitrogenous heterocyclic organic compounds, used as chemical raw materials. It is white monoclinic crystal, almost tasteless, slightly soluble in water (3.1g/L room temperature), soluble in methanol, formaldehyde, acetic acid, hot ethylene glycol, glycerol, pyridine, etc., insoluble in acetone, […]

Phthalic anhydride is an organic compound with the molecular formula C8H4O3, which is a cyclic anhydride formed by dehydration within the phthalic acid molecule. Phthalic anhydride is a white solid and is an important raw material in chemical industry, especially used in the manufacture of plasticizers. 1.Phthalic anhydride physical properties Solubility: insoluble in cold water, […]

Maleic anhydride, also known as maleic anhydride (MAH), or maleic anhydride for short, is an anhydride of maleic acid, a colorless or white solid with an acidic odor at room temperature and the molecular formula C4H2O3. Earlier, maleic anhydride was prepared by catalytic oxidation of benzene, but in order to reduce production costs, the oxidation […]