OEM Highest Egcg Green Tea Brand Suppliers - Tannic Acid – Sanjiang
OEM Highest Egcg Green Tea Brand Suppliers - Tannic Acid – Sanjiang Detail:
Properties: Light yellow or light brown amorphous powder,, oxidized and darkening when exposed to air. Soluble in water, ethanol, acetone, and ethyl acetate.tannic acid is a specific form of tannin, a type of polyphenol. Its weak acidity (pKa around 6) is due to the numerous phenol groups in the structure. The chemical formula for commercial tannic acid is often given as C76H52O46, which corresponds with decagalloyl glucose, but in fact it is a mixture of polygalloyl glucoses or polygalloyl quinic acid esters with the number of galloyl moieties per molecule ranging from 2 up to 12 depending on the plant source used to extract the tannic acid. Commercial tannic acid is usually extracted from any of the following plant parts: Tara pods (Caesalpinia spinosa), gallnuts from Rhus semialata or Quercus infectoria or Sicilian sumac leaves (Rhus coriaria).
Quality index : The product complies with the national standard GB5308-85.
Uses
1. This product is widely used in extraction and acid iron ink manufacturing.
2. Used to produce leather tanning agent, mordant, rubber coagulant, protein agent, alkaloid precipitant.
3. Pharmaceutical products, such as raw materials for sulfa synergists (TMP).
4. Raw material for preparing medicinal acid, pyrogallic acid and sulfa drugs are also raw material for producing gallic acid and pyrogallol.
5. The use of resins made of tannins has been investigated to remove mercury and methylmercury from solution. Immobilized tannins have been tested to recover uranium from seawater.
6. Tannins can be used for production of anti-corrosive primer.
Storage
Moisture-proof and light-proof, sealed storage.
Packing
Kraft paper bag, net weight 25 kg.
Specifications
Specifications |
Industrial grade |
Implementation standards |
LY/T1300-2005 |
Assay |
≥81% |
Drying loss |
≤9% |
Water insoluble matter |
≤0.6% |
Production scale |
1500T/Y |
Color |
≤2.0 |
Packing |
Kraft paper bag, 25 kg / bag |
Product detail pictures:
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Every single member from our large efficiency revenue team values customers' wants and company communication for OEM Highest Egcg Green Tea Brand Suppliers - Tannic Acid – Sanjiang , The product will supply to all over the world, such as: Barbados, Zambia, Bogota, The company has numbers of foreign trade platforms, which are Alibaba,Globalsources,Global Market,Made-in-china. "XinGuangYang" HID brand products sell very well in Europe, America, Middle East and other regions more than 30 countries.
By Prima from Zimbabwe - 2017.05.31 13:26
It can be said that this is a best producer we encountered in China in this industry, we feel lucky to work with so excellent manufacturer.
By Jack from Namibia - 2018.07.27 12:26