Tannic Acid
Product Details:
| Purity | 81%MIN |
|---|---|
| Appearance | yellow powder |
| CAS No. | 1401-55-4 |
| Place of Origin | Hunan, China (Mainland) |
| Brand Name | MAY SHINE |
| Model Number | Industrial grade, Medical grade, Food grade |
Detailed Product Description
| Product Name | TECH GRADE TANNIC ACID |
| Other name: | Tannic acid,Tannin,Gallotannic acid |
| Molecular formula: | C76H52O46 |
| Molecular weight: | 1701.18 |
| Property: | A yellowish to brownish powder,odour characteristic;taste strongly astringent.Soluble in 1 part of water or alcohol;soluble in acetone;almost insoluble in chloroform or ether. |
| Quality Standard: | Meeting the requiremenet of state standard GB5038-85 |
| Uses: | This product is widly use in smelting of germanium manufacture of "lro ink",metal corrosionresistance,slime treatment of petroleum drilling and raw material of pharmaceytical industry. |
| Storage: | Tannic acid should be kept in a well-closed container. |
| Packing: | A net weight of 25kg packed in woven plastic bags. |
Certificate of Analysis
Items------------------------------------Standard-------------------------------------------Analyse result
Appearance Yellow powder Yellow powder
Purity 81%min 81.85%
Loss on drying 9.0%max 6.26%max
Insoluble in water 0.6%max 0.29%max
Total color 2.0 max 1.8
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Company Info
Changsha May Chemis Chemical Co., Ltd.
[China (Mainland)]
[Verified Member]
City: Changsha
Province/State: Hunan
Country/Region : China (Mainland)
Business Type:Manufacturer, Trading Company
Online Postings: Products