Industrial tannic acid
Product Name: Tannic acid
Other name: Tannin, gallic tannin
Molecular formula:C76H52O46
MW: 1701.18
CAS NO: [1401-55-4]
Quality standards: LY / T1300-2005
| Items | Specification |
| Appearance | Light yellow powder |
| Loss on drying | ≤9.0% |
| Content | ≥81.0% |
| Insoluble in water | ≤0.6% |
| Total colour | ≤2.0( Lovibond) |
| Industrial scale | 1000T/Y |
Properties: light yellow or light brown powder, exposed to the air easily oxidized, the color deepened, odorless, astringent.
Usage: material for making gallic acid, pyrogallic acid and sulfa drugs . The oil industry for mud treatment agent. In addition, it could used as the the production of leather tanning agent, mordant, rubber coagulant protein agents, alkaloids precipitating agent, beneficiation inhibitors, alcohol clarifying agent, extraction and preparation of germanium and blue-black ink.
Storage: Avoid moisture and sunlight ,keep in a well-closed container.
Packaging: Woven bag with a plastic bag inside, net weight 25kg.
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