Radium chloride

Marie Curie and André-Louis Debierne used it in their original separation of radium from barium.

Its color gradually changes to yellow with aging, whereas contamination by barium may impart a rose tint.

[8][9] Radium-223 dichloride (USP, radium chloride Ra 223), tradename Xofigo (formerly Alpharadin), is an alpha-emitting radiopharmaceutical.

Bayer received FDA approval for this drug to treat prostate cancer osteoblastic bone metastases in May 2013.

[citation needed] One dose (50 kBq/kg) in an adult is about 60 nanograms; this amount is 1/1000 the weight of an eyelash (75 micrograms).

NFPA 704 four-colored diamond Health 4: Very short exposure could cause death or major residual injury. E.g. VX gas Flammability 0: Will not burn. E.g. water Instability 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g. calcium Special hazard RA: Radioactive. E.g. plutonium