Phthalic anhydride generally refers to phthalic anhydride. 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 […]

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, […]