E355 - Àcid adípic

Adipic acid or hexanedioic acid is the organic compound with the formula -CH2-4-COOH-2. From an industrial perspective, it is the most important dicarboxylic acid: About 2.5 billion kilograms of this white crystalline powder are produced annually, mainly as a precursor for the production of nylon. Adipic acid otherwise rarely occurs in nature. - Viquipèdia