Molecular formula: CrO3
Molecular weight: 99.99
Character:
Chromic Acid Solid:Dark red flake, m.p197°C(dec.) sp. Gr. 2.70.
It possesses powerful oxidation property. It extremely deliques and dissolves in water. When mixed with organic material, it will catch fire.
Uses:
Extensively used in plating, wood preventive, colouring agent of medicine, catalyst, pigment, oxidant, glass, and colorate.
Packing:
In closed steel drums, Net 25kg/50kg/180kg/200kg/250kg.
Caution:
1) Do not keep it together with flammable material (e.g.oil, ethyl, alcohol, phosphorus, etc.).
2) In store and transport, it should be kept dampproof, heatproof, away from flammable material and handled with care.
Specifications:
|
| Index Name |
Index |
| Exc Grade |
1st Grade |
| Chromic anhydride(CrO3), % ≥ |
99.8 |
99.5 |
| Sulfate(SO4), % ≤ |
0.05 |
0.15 |
| Water insolubles, % ≤ |
0.008 |
0.025 |
| Sodium(Na), % ≤ |
0.05 |
-- |
| Chloride(Cl), % ≤ |
0.005 |
-- |
| Iron(Fe), % ≤ |
0.005 |
-- |
|