CAS Registry Number

CAS 1401-55-4 — Tannic acid

Tannic acid is a polyphenolic compound widely used in tanning leather, as a mordant in dyeing, and in pharmaceutical and food applications. It is a naturally occurring hydrolyzable tannin with the molecular formula C76H52O46 and a molecular weight of 1701.20 g/mol. Available in powder form, it is stable at ambient storage conditions. It carries a warning signal word due to potential irritant properties. Molekula supplies tannic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Also known as: Tannic acid 81%