Property:
Blue green monoclinic crystal, soluble in water, glycerin, insoluble in ethanol. It is corrosive. Density is 1.8988g/cm3 .
Application:
Analytics reagents. DTC, polymerization catalysts. Also used in photoengraving, medium preparation.
Test standard:
Test items |
Specification |
||
BP2015 |
USP35 |
CP2015 |
|
Appearance |
Greyish-white powder |
Greyish-white powder |
Greyish-white powder |
Assay |
86.0~90.0% |
86.0~89.0% |
86.0~90.0% |
pH |
3.0~4.0 |
|
3.0~4.0 |
Chloride |
≤0.03% |
|
≤0.03% |
Mercury |
|
≤0.0003% |
|
Iron |
≤0.5% |
|
≤0.5% |
Zinc |
≤0.05% |
|
≤0.05% |
Nickel |
≤0.01% |
|
≤0.01% |
Arsenic |
|
≤0.001% |
|
Manganese |
≤0.1% |
|
≤0.1% |
Copper |
≤0.005% |
|
≤0.005% |
Chromium |
≤0.01% |
|
≤0.01% |
Insoluble matters |
|
≤0.05% |
|
Storage:
Do not store in direct sunlight. Store in a cool, dry area away from incompatible substances.