Tannic Acid CAS No. 1401-55-4

• Customization: Available
• CAS No.: CAS 1401-55-4
• Formula: Tannic Acid
• EINECS: 215-753-2
• Status: Solid Catalyst
• Usage: Positive Catalyst, Negative Catalyst
• Effect Size: Primary Catalysts
• Application: Rubber Auxiliary Agents, Coating Auxiliary Agents
• Colour: Light Yellow to Yellowish Brown
• Type: Medicine Grade
• Transport Package: 25kg/Drum
• Specification: 99%
• Origin: China
• HS Code: 32019090
• Production Capacity: 5000mt Monthly

Product Description

 

Product Description

Product Description

Name: Tannic acid
CAS: 1401-55-4
Chemical formula: C76H52O46
Appearance: brown powder

Clarifiers, astringents, crude deodorizers, and fragrance aids; Tannic acid can be used in tanning, ink manufacturing, paper and silk gluing, boiler descaling, etc. It can also be used as a mordant, a clarifying agent for beer and wine, and a coagulant for rubber. Tannic acid can be used in industries such as printing and dyeing, metallurgy, and pharmaceuticals, with low inherent toxicity. Precipitation and weight determination of beryllium, aluminum, indium, niobium, tantalum, and zirconium. Quantitative determination of copper, iron, vanadium, and cobalt. A precipitant for proteins and alkaloids. External indicator for ammonium molybdate titration of lead. Dye mordant.

Product Parameters

Melting point	218 °C (lit.)
Boiling point	862.78°C (rough estimate)
density	1.2965 (rough estimate)
FEMA	3042 | TANNIC ACID (QUERCUS SPP.)
refractive index	1.7040 (estimate)
Fp	198°C
storage temp.	Storage temperature: no restrictions.
solubility	ethanol: soluble100mg/mL, yellow to brown
form	Powder/Solid
color	Yellow to light brown
PH	3.5 (100g/l, H2O, 20°C)
Water Solubility	250 g/L (20 ºC)