OEM Tannic Acid Of Alum Factories - OEM/ODM Supplier China Hot Sale Best Price Medical Intermediate Gallic Acid Trimethyl Ether 118-41-2 with Reasonable Price – Sanjiang

We’ve been also concentrating on bettering the things management and QC method in order that we could continue to keep terrific benefit inside the fiercely-competitive company for OEM/ODM Supplier China Hot Sale Best Price Medical Intermediate Gallic Acid Trimethyl Ether 118-41-2 with Reasonable Price, Our tenet is “Reasonable prices, economical production time and very best service” We hope to cooperate with much more shoppers for mutual enhancement and benefits.
We’ve been also concentrating on bettering the things management and QC method in order that we could continue to keep terrific benefit inside the fiercely-competitive company for CAS. No 118-41-2, China Gallic, We set a strict quality control system. We’ve return and exchange policy, and you can exchange within 7 days after receive the wigs if it is in new station and we service repairing free for our goods. Be sure to feel free to contact us for further information if you have any questions. We have been glad to work for every client.
Product name: Tannic acid

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

Chemical name: 1,2,3,4,6-penta-O-{3,4-dihydroxy-5-[(3,4,5-trihydroxybenzoyl)oxy]benzoyl}-D-glucopyranose

Other names: Acidum tannicum,Gallotannic acid,Digallic acid,Gallotannin,Tannimum,Quercitannin,Oak bark tannin,Quercotannic acid,Querci-tannic acid,Querco-tannic acid

Molecular formula: C₇₆H₅₂O₄₆,

Molecular weight: 1701.19

Melting point: decomposes above 200 °C

CAS Number : 1401-55-4

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

ABOUT US

Leshan Sanjiang Biological Technology Co., Ltd.

18 years of history , Specializing in the manufacture of gallic acid and other gallic extract series products ；

We’ve been also concentrating on bettering the things management and QC method in order that we could continue to keep terrific benefit inside the fiercely-competitive company for OEM/ODM Supplier China Hot Sale Best Price Medical Intermediate Gallic Acid Trimethyl Ether 118-41-2 with Reasonable Price, Our tenet is “Reasonable prices, economical production time and very best service” We hope to cooperate with much more shoppers for mutual enhancement and benefits.
OEM/ODM Supplier China Gallic, CAS. No 118-41-2, We set a strict quality control system. We’ve return and exchange policy, and you can exchange within 7 days after receive the wigs if it is in new station and we service repairing free for our goods. Be sure to feel free to contact us for further information if you have any questions. We have been glad to work for every client.