China Wholesale Low Price Benzoic Acid Manufacturers - Tannic Acid – Sanjiang

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China Wholesale Low Price Benzoic Acid Manufacturers - 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.

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iconUses

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.

iconStorage

Moisture-proof and light-proof, sealed storage.

iconPacking

Kraft paper bag, net weight 25 kg.

iconSpecifications

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


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We have now numerous great personnel members good at advertising, QC, and working with kinds of troublesome dilemma from the creation course of action for China Wholesale Low Price Benzoic Acid Manufacturers - Tannic Acid – Sanjiang , The product will supply to all over the world, such as: Munich, Rotterdam, Turkey, Our solutions have national accreditation standards for experienced, premium quality items, affordable value, was welcomed by people around the globe. Our goods will continue to increase in the order and look forward to cooperation with you, Really should any of those products be of interest to you, please letus know. We are going to be pleased to give you a quotation up on receipt of one's detailed specifications.
  • In China, we have many partners, this company is the most satisfying to us, reliable quality and good credit, it is worth appreciation.
    5 Stars By Mamie from Peru - 2018.05.15 10:52
    A nice supplier in this industry, after a detail and careful discussion, we reached a consensus agreement. Hope that we cooperate smoothly.
    5 Stars By Honorio from Florida - 2017.11.11 11:41
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