INtroduction:
Chrome oxide green is also called chromium oxide,molecular weight is 151.99,in hexagonal system,light green or dark green powder.Bulk density is 5.21g/cm 3,melting point is 2265 CC,boiling point is 3654 CC.Chrome oxide green is insoluble in water,acid or organic solvent,but can be slightly soluble in concentrated sodium hydroxide solution,soluble in hot sodium bromate solution,hot concentrated perchloric acid solution or boiling sulphur&phosphorus mixed acid.
Specification:
| Chrome Oxide Green |
Density |
5.21 g/cm3 |
Moh's hardness |
8.5 ~ 9 |
| Melting point |
2265 |
Refractive index |
2.5 |
| Boiling point |
3654 |
Molecular weight |
151.99 |
| Color feature |
Metallic luster, with the characteristic of magnetism,great hiding powder |
| Water solubility |
Insoluble in water, acid and organic solvents
|
| Stability |
Stable to light, atmosphere, and corrosive gases (H2S, SO2, etc.), has excellent weather resistance, thermal stability.
|
SPECIFITION
| Chrome Oxide Green Electric Grade Series (SE type) |
| Classification |
Chrome oxide green |
EINECS NO.
|
215-160-9 |
CAS NO.
|
1308-38-9 |
| MF |
Cr2O3 |
Appearance |
Light green or dark green |
Particle size |
Superfine micropowder |
| Index |
Cr2O3 |
K |
Na |
Si |
Ca |
Al |
Fe |
as |
S |
BET |
| SE-1 |
99 |
0.0002 |
0.005 |
0.005 |
0.005 |
0.006 |
0.005 |
0.01 |
0.008 |
16-20m2/g |
| SE-2 |
99.5 |
<0.01 |
<0.01 |
<0.01 |
<0.01 |
<0.01 |
<0.01 |
<0.01 |
<0.01 |
2-4 |
APPLICATION
through special craft production of chrome oxide green, with high purity, low magazine, superfine powder characteristics for magnetic materials, electronic materials, and specialty carbide industry.
