Tannic Acid Powder

Tannic Acid Powder is a yellowish-brown, water-soluble powder derived from plant-based sources, such as oak galls, sumac, and chestnut bark. It is a complex organic compound known as a hydrolyzable tannin, characterized by its astringent properties and ability to form complexes with proteins and other organic compounds.

Uses:

Tannic Acid Powder is primarily employed as a mordant in dyeing, a clarifying agent in winemaking, and an anti-corrosive agent in metalworking. It is also used in the leather industry for tanning animal hides, imparting durability and water resistance to the finished product.

Industrial Applications:

1. Leather industry: used as a tanning agent to treat animal hides and transform them into leather.
2. Textile industry: employed as a mordant to improve the colorfastness and durability of dyed fabrics.
3. Winemaking: utilized as a clarifying agent to remove impurities and improve the quality of wines.
4. Metalworking: applied as an anti-corrosive agent to protect metals from rust and corrosion.
5. Woodworking: used as a wood preservative to protect wood from decay and insects.

Safety and Handling:

Tannic Acid Powder is considered to be a moderately hazardous material. It can cause skin and eye irritation, as well as gastrointestinal issues if ingested in large quantities. It should be stored in a cool, dry place away from heat sources and incompatible materials. When handling Tannic Acid Powder, protective equipment such as gloves and goggles should be worn. In case of exposure or accidental ingestion, immediate medical attention should be sought. The UN code for Tannic Acid Powder is UN1401.