Diammonium tetrachloroplatinate

Last updated
Diammonium tetrachloroplatinate
Ammonium.svg 2 Tetrachloroplatinat-Ion.svg
Names
IUPAC name
diazanium;tetrachloroplatinum(2-)
Other names
Ammonium tetrachloroplatinate(II)
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.034.076 OOjs UI icon edit-ltr-progressive.svg
EC Number
  • 237-499-1
79515
PubChem CID
UNII
  • InChI=1S/4ClH.2H3N.Pt/h4*1H;2*1H3;/q;;;;;;+2/p-2
    Key: QJIMNDWDOXTTBR-UHFFFAOYSA-L
  • [H][N+]([H])([H])[H].[H][N+]([H])([H])[H].Cl[Pt--](Cl)(Cl)Cl
Properties
Cl4H8N2Pt
Molar mass 372.96 g·mol−1
Appearancered crystals
Density 2,94 g/cm3
Melting point 140 °C
soluble
Hazards
GHS labelling: [1]
GHS-pictogram-skull.svg GHS-pictogram-acid.svg GHS-pictogram-silhouette.svg
Danger
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Diammonium tetrachloroplatinate is a chemical compound with the chemical formula (NH4)2[PtCl4]. [2] [3]

Contents

Synthesis

Diammonium tetrachloroplatinate can be synthesised by the reduction of ammonium hexachloroplatinate(IV) with ammonium oxalate:

(NH4)2[PtCl6] + (NH4)2C2O4 → (NH4)2[PtCl4] + 2NH4Cl + 2CO2

Physical properties

Diammonium tetrachloroplatinate forms red crystals, [4] soluble in water, insoluble in ethanol. [1]

The crystals have a cubic structure with the space group P4/mmm (space group number 123).

Chemical properties

Diammonium tetrachloroplatinate decomposes if heated:

(NH4)2[PtCl4] → PtCl2 + 2NH4Cl

Uses

Diammonium tetrachloroplatinate was used in photography. [5] Also used in spectral analysis standard and in the preparation of platinum sponge and platinum catalytic agent. [4]

References

  1. 1 2 "Ammoniumtetrachloroplatinat" (in German). gestis.dguv.de. Retrieved 11 March 2025.
  2. ↑ "Ammonium tetrachloroplatinate(II)". Sigma Aldrich . Retrieved 11 March 2025.
  3. ↑ "WebElements Periodic Table » Platinum » diammonium tetrachloroplatinate". winter.group.shef.ac.uk. Retrieved 11 March 2025.
  4. 1 2 "Ammonium tetrachloroplatinate(II), 99.9% (metals basis), Pt 51% min, Thermo Scientific Chemicals | Fisher Scientific". Fisher Scientific . Retrieved 11 March 2025.
  5. ↑ Kanerva, Lasse (2000). Handbook of Occupational Dermatology. Springer Science & Business Media. p. 1194. ISBN   978-3-540-64046-2 . Retrieved 11 March 2025.
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