Title: Barium Platinous Cyanide
CAS Registry Number: 562-81-2
Synonyms: Barium tetracyanoplatinate(II); barium cyanoplatinate(II); barium platinocyanide; platinous barium cyanide
Molecular Formula: C4BaN4Pt
Molecular Weight: 436.48
Percent Composition: C 11.01%, Ba 31.46%, N 12.84%, Pt 44.69%
Line Formula: BaPt(CN)4
Derivative Type: Tetrahydrate
Properties: Large dichroic crystals; yellowish-green by transmitted, bluish-violet by reflected light.
Poison! d 3.05. Sol in about 35 parts water; more sol in hot water.
Density: d 3.05
Use: An aq soln mixed with some adhesive and painted on paper or wood exhibits luminescence when exposed to the invisible ultraviolet rays of the spectrum or to Roentgen, radium, or cathode rays; hence used in radiography for making x-ray screens.