Strontium chromate
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| Strontium chromate | ||
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| Identifiers | ||
| CAS number | 7789-06-2  | |
| PubChem | 24599 | |
| EC number | 232-142-6 | |
| RTECS number | GB3240000 | |
| Jmol-3D images | {{#if:[O-][Cr](=O)(=O)[O-].[Sr+2]|Image 1 | |
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| Properties | ||
| Molecular formula | SrCrO4 | |
| Molar mass | 203.614 g/mol | |
| Appearance | yellow powder | |
| Density | 3.353 g/cm3 | |
| Solubility in water | 0.12 g/100 mL (15 °C) 3 g/100 mL (100 °C) | |
| Solubility | Soluble in dilute acids | |
| Structure | ||
| Crystal structure | monoclinic | |
| Hazards | ||
| LD50 | 3118 mg/kg (rat, oral) | |
| Related compounds | ||
| Other cations | Magnesium chromate Barium chromate | |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa) | ||
| Infobox references | ||
Strontium chromate is a chemical compound, with the formula SrCrO4.[1]
Preparation
Strontium chromate is prepared from the reaction of strontium chloride with sodium chromate, or from a reaction between strontium carbonate with sodium dichromate.
Uses
- Corrosion inhibitor in pigments
- In electrochemical processes to control sulphate concentration of solutions
- Colorant in polyvinyl chloride resins
- Pyrotechnics
- Aluminum flake coatings
- As an anti-corrosive primer for zinc, magnesium, aluminum, and alloys used in aircraft manufacture.
References
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