Tannic acid (catalogue No. 403040) is a natural polyphenolic organic compound supplied in high-purity ACS reagent grade. It is used as a reagent in analytical chemistry, organic synthesis, metal complex formation and protein precipitation. This compound is supplied as a solid powder and is offered in two pack sizes: 25 g, 100 g and 500 g, making it suitable for laboratories with varying usage volumes.
Tannic acid (catalogue No. 403040) is a high-purity organic reagent provided by MilliporeSigma / Merck in ACS reagent grade. Chemically classified as a polyphenolic compound with empirical formula C76H52O46, tannic acid is widely applied in analytical protocols, complex formation reactions, precipitation of proteins and synthesis processes. It is supplied as a dry solid powder and is stable under typical laboratory conditions.
Advantages
- High-purity ACS reagent grade suitable for analytical laboratory applications.
- Polyphenolic organic compound useful in complexation, precipitation and synthesis.
- Available in 25 g, 100 g and 500 g pack sizes to match usage requirements.
- Stable solid form for storage and controlled handling.
Technical specifications
| Chemical name | Tannic acid |
| CAS number | 1401-55-4 |
| Empirical formula | C76H52O46 |
| Molecular weight | ≈ 1701.20 g/mol |
| Grade | ACS reagent |
| Physical form | Powder / solid |
| Pack sizes | 25 g; 100 g; 500 g |
| Typical applications | Analytical chemistry, protein precipitation, complex formation |
| Storage conditions | Store in a cool, dry place in a tightly closed container. |
| Brand | Merck |
