Title: Potassium Salicylate
CAS Registry Number: 578-36-9
Molecular Formula: C7H5KO3
Molecular Weight: 176.21
Percent Composition: C 47.71%, H 2.86%, K 22.19%, O 27.24%
Line Formula: HOC6H4COOK
Properties: White, odorless powder. Becomes pink on exposure to light. Very sol in water, alcohol. One gram dissolves in 0.85 ml H2O. A satd aq soln contains 55.82% w/w at 28.5°.
See Sidgwick, Ewbank,
J. Chem. Soc. 121, 1847, 1850 (1922). The aq soln is neutral or slightly acid to litmus.
Keep well closed and protected from light.