Tannic Acid

TANNIC ACID : 
(Acidum Tannicum) is a polyphenol. It can be found in Gall Nuts and other parts of plants like the Oak bark. It is derived from the Gallic Acid : it is a Glucose polyester.

 Acid tannic molecular structure

USAGES :

Tannic Acid is used to clarify wine or beer and by the tanning industry. It is also used by the ink industry and Tannic Acid is a food dye (E181).

In the gravimetry field, a solution of Tannic Acid is used to precipitate Aluminium, Beryllium, Chrome, Gallium, Germanium, Niobium, Tin, Thorium, Titanium, Uranium, Vanadium, Tungsten or Zirconium.

Tannic Acid is also used to passivate iron corrosion and stop future corrosion.

In textile applications, Tannic acid is frequently used as natural mordant.

Kg price : 101,70 € HT

147,60 € tax excl.

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100 % natural product

EXTRACTION PROCESSAqueous extraction + filtration + concentration + spray-drying
COLOURbeige powder obtained by extraction of pods from different exotic trees or gall nuts.
ODEURPas d’odeur particulière
pH(10%) 3.5 +/- 1
WARNING 

The colour of our products may vary from one lot to another, because that’s the way Nature is, but this won’t affect the technical applications.

SCRD guarantees the botanical sincerity of its products but can in no case be held responsible for the use of these products. The customer is sole responsible for using them legally, safely and in well-known applications.

These packagings are not compatible with cosmetic or pharmaceutical usages. We cannot provide a certificate of analysis for this product.

CAUTION

External use only. Keep away from eyes.

Can cause allergies

Keep out of reach of children

Do not store in extreme temperatures

Keep out of direct sun light

LINKSIUCN « red list » : not listed http://www.iucnredlist.org/apps/redlist/search