Synonym(s): 3-Methyl-2,5-furandione, Methylmaleic anhydride Formula: C5H4O3 Formula weight: 112.08 Purity: 98% CAS Number: 616-02-4 UN Number: UN2810 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2917.19 Hazard Statements: H311-H315-H319 Toxic in contact…

Citraconic anhydride reacts with primary amines and blocks them by creating an amide linkage and a terminal carboxylate. The linkage is stable at neutral to alkaline pH (pH >7) and at acidic conditions (pH 4) the amide linkage is rapidly hydrolyzed to release the citraconic acid and free the…