sales@klarchem.com +90 530 315 00 65 Mon–Sat: 09:00 – 18:00

Tannic Acid

Home/ Merck & Sigma/ CAS 5424-20-4
Tannic Acid molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 14 grades and pack sizes of Tannic Acid (CAS 5424-20-4). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS5424-20-4
Molecular formulaC76H52O46
Molecular weight1701.21 g/mol
IUPAC name[2,3-dihydroxy-5-[[(2R,3R,4S,5R,6S)-3,4,5,6-tetrakis[[3,4-dihydroxy-5-(3,4,5-trihydroxybenzoyl)oxybenzoyl]oxy]oxan-2-yl]methoxycarbonyl]phenyl] 3,4,5-trihydroxybenzoate
SynonymsGlycerite · Gallotannic acid · Tannicum acidum · FEMA No. 3042 · Asian holly oak nutgall · Acide tannique
Safety & Hazards (GHS) Warning
Irritant Irritant
  • H319 Causes serious eye irritation

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand Product / grade Code
Sigma TANNIC ACID W304204-10KG
W304204-10KG-K
W304204-1KG-K
W304204-25KG-K
W304204-SAMPLE-K
Request Quote
Sigma TANNIC ACID POWDER, EXTRA PURE, U. S. P. 16201-100G
16201-500G
Request Quote
Sigma TANNIC ACID, A.C.S. REAGENT 403040-100G
403040-500G
403040-50G
Request Quote
Sigma TANNIC ACID, SOURCE: CHINESE NATURAL GAL T0200-1KG
T0200-250G
T0200-500G
Request Quote
Sigma TANNIC ACID, UNITED STATES PHARMACOPEIA 1643328-2G Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.