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Tannic Acid Food Grade 98%
Botanicals: It is extracted from Chinese Gallnuts ( Galla Chinensis)
Process: The raw material is extracted using non-toxic solvents, after several purification steps, the concentration is spray-dried to obtain Tannic Acid powder.
Synonyms: Tannin, Gallotannic Acid
Molecular Formula: C76H52O46
CAS# 1401-55-4
EINECS: 215-753-2
Molecular Weight: 1701.18

 

 

 

 

 

Tannic Acid Food Grade 98%

Botanicals:

It is extracted from Chinese Gallnuts ( Galla Chinensis)

Process:

The raw material is extracted using non-toxic solvents, after several purification steps, the concentration is spray-dried to obtain Tannic Acid powder.

Synonyms:

Tannin, Gallotannic Acid

Molecular Formula:

C76H52O46

CAS#

1401-55-4

EINECS:

215-753-2

Molecular Weight:

1701.18

 

Specifications:

 

Item

Unit

Requirement (LY/T 1641-2005)

Appearance

 

A yellowish-white or slightly brown amorphous light powder

Assay

%

98.0 min

Loss of drying

%

9.0 max

Residue on ignition

%

0.6 max

Arsenic

PPM

3 max

Lead

PPM

5 max

Heavy Metals (as Pb)

PPM

20 max

Tree gum or dextrin test

 

Clear

Resin test

 

Clear

Gallic Acid

%

0.75 max

 

Application:

Wine:  It reacts and precipitates the proteins. It is a natural and quite effective system to purify and protect the wine, especially the white one, against oxidation.

Beer:  It is particularly suitable for the clarification of beers, cause of its high molecular weight and the very light colour.

Beverages: For the purification from the proteins in solution, to avoid fermentation, and to preserve from the air and light oxidation.

Packing: 

In 25 kg net fiber drums with inner PE bag.

 

Storage Recommendations:

Preserve in tight, light-resistant containers.

 

Shelf Life:

24 months under above-mentioned conditions and in unopened container.

 

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