Ammonium hexachlororhodate(III)

Ammonium hexachlororhodate(III)
Names
IUPAC name
Ammonium hexachlororhodate(III)
Other names
Ammonium chlororhodate(III), triammonium hexachlororhodate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.035.770 Edit this at Wikidata
EC Number
  • 239-364-2
  • InChI=1S/6ClH.3H3N.Rh/h6*1H;3*1H3;/q;;;;;;;;;+3/p-3
    Key: OJNYBYILSUWBHM-UHFFFAOYSA-K
  • [Rh+3]([Cl-])([Cl-])([Cl-])([Cl-])([Cl-])[Cl-].[NH4+]
Properties
Cl6H12N3Rh
Molar mass 369.72 g·mol−1
Appearance red crystals
Density 2.2 g/cm3
slightly soluble
Hazards
GHS labelling:
GHS07: Exclamation mark[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Ammonium hexachlororhodate(III) is an inorganic chemical compound with the chemical formula (NH4)3RhCl6.[2][3][4]

Synthesis

Evaporation of solutions of rhodium trichloride and excess ammonium chloride:

RhCl3 + 3NH4Cl → (NH4)3RhCl6

Physical properties

The compound forms red crystals. Slightly soluble in water.

Chemical properties

The compound undergoes partial hydrolysis in dilute aqueous solutions:

(NH4)3[RhCl6] + H2O → (NH4)2[RhCl5(H2O)] + NH4Cl

Uses

Ammonium hexachlororhodate(III) hydrate is a raw material and intermediate used in organic synthesis, pharmaceuticals, and agrochemicals.[5]

References

  1. ^ "Ammonium hexachlororhodate(III) ROTI®METIC 99,995 % (4N5)" (PDF). carlroth.com. Retrieved 16 October 2024.
  2. ^ "Ammonium hexachlororhodate(III)". Sigma Aldrich. Retrieved 16 October 2024.
  3. ^ Emergency Planning and Community RightToKnow Act section 313 reporting guidance for the textile processing industry. DIANE Publishing. p. C-14. ISBN 978-1-4289-0164-3. Retrieved 16 October 2024.
  4. ^ "Ammonium Hexachlororhodate(III)". American Elements. Retrieved 16 October 2024.
  5. ^ "Ammonium hexachlororhodate(III) hydrate, Premion , 99.99% (metals basis), Thermo Scientific Chemicals | Fisher Scientific". Fisher Scientific. Retrieved 16 October 2024.