Title: Sodium Rhodizonate
CAS Registry Number: 523-21-7
CAS Name: 5,6-Dihydroxy-5-cyclohexene-1,2,3,4-tetrone disodium salt
Synonyms: [(3,4,5,6-tetraoxo-1-cyclohexen-1,2-ylene)dioxy]disodium
Molecular Formula: C6Na2O6
Molecular Weight: 214.04
Percent Composition: C 33.67%, Na 21.48%, O 44.85%
Properties: Violet crystals. Sol in water with an orange-yellow color; slightly sol in soda soln; insol in alc. Solns are unstable even in the refrigerator, and must be prepd fresh every other day.
Use: As a reagent for barium and strontium.