Tannic Acid(pharm Grade)
Product Name: Tannic Acid(pharm Grade)
CAS No.: 1401-55-4
Molecular Formula: C76H52O46
Executive Standard：BP2000
Application: Used as raw materials for manufacturing pharmaceutical gallic acid, pyrogallic acid, and sulfanilamide drugs in chemical industry; slurry-treating agent in petrochemical industry; as various treating agents for various industrial manufactures.
Specification
|
ITEM |
SPECIFICATION |
|
APPEARANCE |
Yellowish or brownish irregular powder |
|
CONTENT |
90.0% MIN |
|
DRYING LOSS |
12% MAX |
|
INSOLUBLE IN WATER |
0.1% MAX |
|
IGNITION RESIDUE |
0.1% MAX |
|
HEAVY METAL |
40ppm |
|
INDUSTRIAL SCALE |
100 T/Y |
|
PACKAGE |
In paperboard, nw 25kg/drum |