COBALT BLUE
- CAS NO.：1345-16-0
- Empirical Formula: CoO·Al2O3
- Molecular Weight: 0
- MDL number: MFCD00071065
- EINECS: 310-193-6
- Update Date: 2026-04-24 14:58:38
What is COBALT BLUE?
The Uses of COBALT BLUE
Cobalt blue [Co(AlO2)2], also known as cobalt ultramarine or azure blue, is a compound of aluminum oxide and cobalt. It is used as a pigment that mixes well with both oil and water. It also has cosmetic uses for eye shadow and in grease paint. Cobalt blue is one of the most durable blue pigments in that it resists weathering in paints and holds up to other wear and tear.
Definition
COBALT BLUE is an inorganic pigment that is the reaction product of high temperature calcination in which cobalt (II) oxide and aluminum oxide in varying amounts are homogeneously and ionically interdiffused to form a crystalline matrix of spinel. Its composition may include any one or a combination of the modifiers MgO, ZnO, Li2O, or TiO2.
Flammability and Explosibility
Not classified
Properties of COBALT BLUE
| Density | 4.26[at 20℃] |
| EPA Substance Registry System | C.I. Pigment Blue 28 (1345-16-0) |
Safety information for COBALT BLUE
Computed Descriptors for COBALT BLUE
New Products
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