PDF
Technical Data Sheet
COBALT BLUE
Compound Information
Product Name:
COBALT BLUE
CAS No.:
1345-16-0
Molecular Formula:
CoO·Al2O3
Revision Date:
2026-04-15
Analytical Information
| Tests |
Specifications |
| Type |
Blue pigment |
| Chemical Composition |
Co/Al Oxide |
| Delivery Form |
Powder |
| Appearance |
Blue powder |
| Crystal Form |
Spinel Pattern |
| Average Particle Size, μm |
2.5 max. |
| Moisture Content, % |
0.2 max. |
| Water Soluble, % |
0.3 max. |
| Oil Absorption, % |
28-37 |
| pH |
6-9 |
| Heat Stability, °C |
1200 min. |
| Light Fastness |
8 |
| Weather Resistance |
5 |
| Acid Resistance |
5 |
| Alkali Resistance |
5 |
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