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- Product:
- Chromium (III) nitrate nonahydrate
- Formula:
- Cr(NO3)3.9H2O
- CAS No.:
- 7789-02-8
- Product No.:
- SP1234
- Package:
- 25Kg/Drum or in terms of customer's requirements.
Physicochemical Properties
It is violet to blak crystals,soluble in water, acid, alkali, ethanol and acetone.
Specification
|
ITEM |
CATALYST GRADE |
INDUSTRIAL GRADE |
|
Appearance |
Purplish red to black crystals |
Purplish red to black crystals |
|
Cr(NO3)3.9H2O % |
≥98.0 |
≥98.0 |
|
CI % |
≤0.01 |
0.05 |
|
Water insoluble substance |
≤0.02 |
0.1 |
|
SO4 % |
≤0.02 |
0.05 |
|
AI % |
≤0.05 |
-- |
|
Ca % |
≤0.01 |
-- |
|
Fe % |
≤0.01 |
-- |
|
K % |
≤0.1 |
-- |
|
Na % |
≤0.1 |
-- |
Applications and Usages
It is commonly used in the preparation of chromium containing catalyst, as coal dye in printing and dyeing industry, as glaze and corrosion inhibitor for glass and ceramics.