Strontium chromate (SrCrO₄) is a chemical compound composed of strontium and chromium, appearing as a yellow powder. It is primarily used as a yellow pigment in the paint industry and for corrosion-resistant coatings in metal finishing applications. Due to its high stability, strontium chromate is widely used in aerospace industries for corrosion-resistant coatings.
Technical Specifications
| Chemical Formula | SrCrO₄ |
| CAS Number | 7789-06-2 |
| Molar Mass | 203.00 g/mol |
| Melting Point | 1.000°C |
| Solubility | Low solubility in water |
| Appearance | Inorganic chemical compound in the form of the lemon-yellow powder |
Applications
- As coil and aerospace coating for steel, aluminum and alloys for effective corrosion protection;
- As one of the components in epoxy systems, 2-component polyurethane, vinyl, etching primers, amino plastics, aqueous primers as a corrosion inhibitor;
- As yellow pigment in paint and lacquer industries (Strontium Yellow).
Environmental Impact
Strontium chromate is considered an environmental pollutant, particularly when introduced into water sources. It can negatively affect aquatic life and must be handled with care.
Safety and Regulations
Protective equipment is required due to its potential health hazards, including gloves, goggles, and respiratory masks.
Packaging
polyethylene, polypropylene bags of 25kg net