Applications

• Basic ingredient in the chemical staining of wood
• Common mordant used in the dyeing process for cellulose fibers such as cotton
• Used in the conservation of ferrous (iron based) metal objects to passivate and inhibit corrosion
• Used in food applications such as processing aids in beer clarification

General

What is Tannic Acid? Tannic Acid is a polyphenolic compound that appears as a yellow to brownish powder and is derived from various plant sources, particularly from the bark, leaves, and fruit of oak, sumac, and chestnut trees. It is highly soluble in water and alcohol, and is known for its astringent properties.

Consistent Quality: We supply only high-quality Tannic Acid, ensuring reliable and consistent performance in industrial, laboratory, and pharmaceutical applications.

Shipped from UK Facility: Sourced and packaged in non-toxic, chemical-resistant containers to ensure safe handling and preserve product quality during transport.

Frequent Uses

Biological Research
As a reagent for protein precipitation and in assays that require the binding of proteins. It is also employed in histological studies, where it helps to fix tissues for microscopic examination.

Specification

• Molecular Formula: C76H52O46
• Molecular Weight: 1701.20
• Solubility in water (% weight): Soluble in water
• Flash Point: 199˚C
• Melting Point: 218˚C
• Appearance: Light Hazel powder
• Tannin (on dry matter): > 96%
• Moisture: < 7%
• pH 1%: 2.60 ÷ 3.00
• Ashes: < 1%
• Gardner colour: < 12.0U.G

Hazards

Hazard Phrases: Not considered harmful under normal laboratory conditions