Product Name: Pyrogallic Acid
CAS No.: 87-66-1
Molecular Formula: CH6(OH)3
Application: Used in analysis the assay of oxygen, antimony, bismuth, cerium, iron, molybdenum, tantalum etc., and widely used in pharmaceuticals, dyes, chemicals, and foods.
Specification
|
ITEM |
SPECIFICATION | ||
|
APPEARANCE |
White lustrous crystalline powder | ||
|
GRADE STANDARD |
Analytical reagen(A.R.) grade |
Industrial grade |
Chemically pure reagent(C.P.) grade |
|
CONTENT |
99.9% MIN |
99.0% MIN |
99.5% MIN |
|
WATER SOLUBILITY |
Clear and clarify |
_______ |
Clear and clarify |
|
MELTING POINT RANGE |
132-134℃ |
130-136℃ |
131-134℃ |
|
CHLORIDE (CL) |
0.001% MAX |
_______ |
0.002% MAX |
|
SULFATE (SO4 ) |
0.01% MAX |
_______ |
0.01% MAX |
|
IGNITION RESIDUE |
0.025% MAX |
0.1% MAX |
0.05% MAX |
|
INDUSTRIAL SCALE |
50 T/Y |
100 T/Y |
50 T/Y |
|
PACKAGE |
In knitting bag, 25kg/bag |
In paperboard, nw 25kg/drum |
In paperboard, nw 25kg/drum |