osmic acid anhydride

osmic acid anhydride

[′äz·mik ′as·əd an′hī‚drīd]
(inorganic chemistry)
OsO4 Poisonous yellow crystals with disagreeable odor; melts at 40°C; soluble in water, alcohol, and ether; used in medicine, photography, and catalysis. Also known as osmium oxide; osmium tetroxide.