Gallotannic acid / tannic acid CAS NO. 1401-55-4
Gallotannic acid / tannic acid CAS NO. 1401-55-4 Product Description
Product Description
Product name: tannic acid
synonyms: tannic acid, tannin, gallnut tannic acid
Molecular formula: c76h52o46
Molecular weight: 1701.18
Model: medicinal tannic acid, fuel tannic acid, industrial tannic acid and other types of tannic acid
Gallotannic acid / tannic acid CAS NO. 1401-55-4 Properties
pale yellow or light brown amorphous powder; exposed to air oxidation, color deepening, odorless, astringent. Soluble in water, ethanol, ,
Gallotannic acid / tannic acid CAS NO. 1401-55-4 Specification
Specification of tannic acid: the product conforms to the national standard gb5308-85.
Quality specification:
tannic acid content: ≥ 81%
dry weightlessness: ≤ 9.0%
insoluble matter: ≤ 0.6%
total color: ≤ 2.0
Gallotannic acid / tannic acid CAS NO. 1401-55-4 Usage
Main uses of tannic acid:
raw materials for the preparation of pharmaceutical astric acid, pyruvic acid and sulfonamides. Gallic acid and pyroGallic acid can be prepared in chemical production. Used as a mud treatment agent in the petroleum industry. In addition, it can be used to produce leather tanning agent, mordant, rubber coagulant, protein agent, alkaloid precipitator, mineral processing inhibitor, alcohol clarifier, germanium extraction and blue-black ink preparation.
Gallotannic acid / tannic acid CAS NO. 1401-55-4 Storage
Storage of tannic acid:
moisture-proof and light-proof, sealed storage.
Gallotannic acid / tannic acid CAS NO. 1401-55-4 Packaging
Packaging of tannic acid:
Outer paper plastic composite bag, each bag net weight 25 kg.
Best Regards
Irene Zhang
XIAMEN DITAI CHEMICALS CO., LTD
Audited Supplier 
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