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 Products
Tannic Acid(food grade)
Specification |
Food grade |
Executive Standard |
Enterprise standard |
Content |
≥96% |
Loss on drying |
≤12% |
Insoluble in watar |
≤0.1% |
Ignition residue |
≤0.1% |
Heavy metal |
40ppm |
Industrial scale |
100 T/Y |
Package |
Drum, 25kg/pail |
Mohecular Formula: C76H52O46 1434-1701.18
Property:Yellowish or light brown irregular powder,oxidized with deeper color and bitter taste when exposed to air, odorless; soluble in water, ethanol, acetone,and ethyl acetate.
Technical Index: Quality Standard: GB5308-85, Index Name:First Grade Product,
Appearance:Yellowish or brownish irregular powder, Content (%) ≥ 81.0, Moisture Content(%) ≤ 9.0, Water(%) ≤ 0.6, Total Color ≤2.0.
Usage: Used as raw materials for manufacturing pharmaceutical gallic acid, pyrogallic acid, and sulfanilamide drugs in chemical industry; slurry-treating agent in petrochemical industry;in preparation of various treating agents for various industrial manufactures.
Packing: In knit bags lined with plastic bags with the per-bag capacity of 25 kilograms; avoiding moisture and light; hermetically sealed in storage.
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