Characters. - A very fine white impalpable powder, permanent in the air, odourless and tasteless.

Solubility. - It is insoluble in water or alcohol.

Reactions. - Wholly soluble in hydrochloric, nitric, or acetic acid, with copious effervescence. A neutral solution of the salt in acetic acid yields the reactions of calcium.

Use. - It may be used as an astringent in the same way as chalk.

Calcii Bromidum, U.S.P. - Vide p. 556.

1 Warburton Begbie's Works; New Syden. Soc.