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Industrial Tannic Acid

 

Industrial Tannic Acid

Synonyms:Tannic acid 
Molecular formula:C76H52O46 

Other Name:Chinese tannin; Gallotannic acid; Gallotannin; Galloylglucose; Glycerite; 

Penta NM digalloyl glucose; Quebracho; Tannins; 1,3,6-tris-O-(3,4,5-trihydroxybenzoyl) hexopyranose; 1,2,3,4,6-pentakis-O-[(3,4-dihydroxy-5-{[(3,4,5-trihydroxyphenyl) carbonyl]oxy}phenyl)carbonyl]hexopyranose 


Physicochemical Properties:

It is faint yellow or brown non stereotypia powder, deep when exposure to the airodourlessness, astringency. Dissolves in the water, ethyl alcohol, acetone and ethyl acetate. 

Quality standard:GB5308?5 


Technical index:
Appearance:Faint yellow or brown non-stereotypia powder 

           Content¡Ý81.0% 
           Water¡Ü9.0% 
           Water insoluble substance¡Ü0.6% 
           Total color¡Ü2.0 


Use:

It is raw material of preparing medical gallic acid, burnt gallic acid, sulfonamides. Preparing 

Gallic acid and burnt Gallic acid in chemical production, mud finishing agent in oil industry, 

in addition,used in producing leather tanning agent, mordant, rubber peptizer, protein 

medicinal preparation,alkaloid precipitating agent, dressing inhibitor, wines clarifying agent, 

germanium extraction and blue-black ink and so on. 

Packing:Outer knitting bag, inner plastic bag. 25kg/bag

 

  

 

Terms & Conditions:

1.MOQ:1tons

2.Packaging Detail:Packed in 25kg net composite paper plastic bag,25MT/FCL without 

pallets;20MT/FCL with pallets

3.Delivery time:within 15~20 working days after received your deposit.

4.Storage: Kept in a light-proof, well-closed, dry and cool place 

 


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