Dihydrogen Hexachloroplatinate (IV) Acid, Hydrate

Dihydrogen Hexachloroplatinate (IV) Acid, Hydrate

CAS number: 26023-84-7

Chemical formula: H2[PtCl6] • nH2O

Metal content: 39.5—40.0%


  • precursor to produce platinum compounds and materials containing platinum;
  • synthesis of homometallic high-nuclearity carbonyl clusters of platinum with anions Pt19(CO)224-, to be potentially applied in molecular electronics; and
  • producing spherical nanoparticles of equal dispersion capacity, which are used as a feed material for thin films producing.

Shelf life: 3 years.

Package: glass jars with polymer insert.

Safety Data Sheet

Material Safety Certificate

Articles on the use of the compound:

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IndicatorsTrial Data Results
Appearance Orange-red-coloured hygroscopic crystals
Mass fraction of platinum, %:  
H2[PtCl6] • 6H2O 37.5—38.5
H2[PtCl6] • 4H2O 39.5—40.5
Mass fraction of admixtures in relation to platinum, %, max.:  
palladium, rhodium, iridium, ruthenium, gold, silver (sum) 0.0150
including each admixture (except silver) 0.0030
silver 0.0050
sodium, potassium (sum) 0.0150
including each admixture 0.0100
aluminium, barium, bismuth, iron, cadmium, cobalt, silicon, magnesium, manganese, copper, molybdenum, arsenic, nickel, tin, lead, selenium, stibium, tellurium, chromium, zinc (sum) 0.0200
including each admixture 0.0030
calcium 0.0050
titanium 0.0060