Strontium chromate

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Strontium chromate
Identifiers
CAS number 7789-06-2 YesY
PubChem 24599
EC number 232-142-6
RTECS number GB3240000
Jmol-3D images Image 1
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[edit]

Strontium chromate is prepared from the reaction of strontium chloride with sodium chromate, or from a reaction between strontium carbonate with sodium dichromate.

Uses[edit]

  • 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[edit]