Potassium Chromate(VI)
Structural Formula Vector Image
Title: Potassium Chromate(VI)
CAS Registry Number: 7789-00-6
Additional Names: Neutral potassium chromate
Molecular Formula: CrK2O4
Molecular Weight: 194.19
Percent Composition: Cr 26.78%, K 40.27%, O 32.96%
Line Formula: K2CrO4
Properties: Lemon-yellow crystals; d 2.73; mp 975°. Sol in 1.6 parts cold, 1.2 parts boiling water. Insol in alcohol. The aq soln is alkaline to litmus or phenolphthalein.
Melting point: mp 975°
Density: d 2.73
Use: Has a limited application in enamels, finishing leather, rustproofing of metals, being replaced by the sodium salt; as reagent in analytical chemistry.

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