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Tannic acid CAS:1401-55-4 Product introduction
Product name: Tannic acid
Formula: C76H52O46
M.W: 1701.2
CAS#: 1401-55-4
Appearance: yellow powder
Tannic acid Characteristic:
This product is light yellow to light brown powder, with special odor and extremely astringent taste; Soluble in 1 part of water or ethanol, soluble in acetone, insoluble in chloroform or ether.
Tannic acid COA:
| Item | Standard | Results |
| Appearance | Yellow powder | Yellow powder |
| Purity % ≥ | 80 | 81.42 |
| Loss on drying，% ≤ | 9.0 | 8.70 |
| Water insoluble ≤ substance |
0.6 | 0.024 |
| Color ≤ | 2.0 | 1.7 |
Tannic acid Application:
1.It is mainly used for tanning leather, but also used in medicine, ink, printing and dyeing, rubber, metallurgy and other industries and water treatment
2.Used as analytical reagent, also used in the pharmaceutical industry
3.Used for precipitation and gravimetric determination of beryllium, aluminum, gallium, indium, niobium, tantalum and zirconium
4.Used as a precipitant for proteins and alkaloids
Package:
25kg/bag
Storage:
Store in a cool, dry place and keep sealed. Keep away from light, cool, sealed, away from heat and open flames.
Related Products——Galla Series:
| Product Name | CAS No. |
| Gallic acid | 149-91-7 |
| Gallic acid monohydrate | 5995-86-8 |
| Methyl gallate | 99-24-1 |
| Ethyl gallate | 831-61-8 |
| Propyl gallate | 121-79-9 |
| Dodecyl gallate | 1166-52-5 |
| 2,3,4-Trihydroxybenzaldehyde | 2144-08-3 |
| 2,3,4-Trimethoxybenzoic acid | 573-11-5 |
| 3,4,5-Trimethoxy benzoic acid | 118-41-2 |
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Detailed usage is in the product details page.
