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Indium(II) chloride

From Wikipedia, the free encyclopedia

Indium(II) chloride
Names
Other names
Indium dichloride, dichloroindium
Identifiers
3D model (JSmol)
ECHA InfoCard 100.155.590 Edit this at Wikidata
EC Number
  • 627-209-5
  • InChI=1S/2ClH.In/h2*1H;/q;;+2/p-2
    Key: VOWMQUBVXQZOCU-UHFFFAOYSA-L
  • Cl[In]Cl
  • [In+].[In+3].[Cl-].[Cl-].[Cl-].[Cl-]
Properties
Cl2In
Molar mass 185.72 g·mol−1
Appearance colorless crystals
Density 3.46 g/cm3
Melting point 570 °C (1,058 °F; 843 K)
reacts with water
Related compounds
Related compounds
 Tin(II) chloride, Indium(III) chloride
Hazards
GHS labelling:
GHS07: Exclamation mark
Warning
H315, H319, H335
P261, P264, P271, P280, P302, P305, P338, P351, P352
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Indium(II) chloride is an inorganic compound, an indium metal salt and hydrochloric acid with the formula InCl2.[1][2][3] The compound forms colorless crystals, reacts with water.[4] This is one of three known indium chlorides.

Synthesis

Indium(II) chloride can be produced via the effect of dry hydrogen chloride on indium metal at 2000 °C:

In + 2HCl → InCl2 + H2

Physical properties

Indium(II) chloride forms colorless diffuse crystals of rhombic shape, lattice cell parameters a = 0.964 nm, b = 1.054 nm, c = 0.685 nm, Z = 8.

The molecules are dimers and have a structure In[InCl4].

Chemical properties

Indium(II) chloride reacts with water.[5]

  • Water catalyzes a disproportionation reaction:
3InCl2 → 2InCl3 + In
2InCl2 → InCl3 + InCl

Indium(II) chloride reacts with oxygen in the air when heated:

4InCl2 + O2 → 2InOCl + 2InCl3

References

  1. ^ Kowalik, Patrycja; Bujak, Piotr; Penkala, Mateusz; Maroń, Anna M.; Ostrowski, Andrzej; Kmita, Angelika; Gajewska, Marta; Lisowski, Wojciech; Sobczak, Janusz W.; Pron, Adam (25 January 2022). "Indium(II) Chloride as a Precursor in the Synthesis of Ternary (Ag–In–S) and Quaternary (Ag–In–Zn–S) Nanocrystals". Chemistry of Materials. 34 (2): 809–825. doi:10.1021/acs.chemmater.1c03800. ISSN 0897-4756. PMC 8794001. PMID 35095188.
  2. ^ "Indium(II) chloride". Sigma Aldrich. Retrieved 3 April 2023.
  3. ^ "Indium(II) Chloride". American Elements. Retrieved 3 April 2023.
  4. ^ "Indium(II) chloride (CAS 13465-11-7)". scbt.com. Retrieved 3 April 2023.
  5. ^ Haynes, William M. (22 June 2016). CRC Handbook of Chemistry and Physics. CRC Press. p. 4-66. ISBN 978-1-4987-5429-3. Retrieved 3 April 2023.
This page was last edited on 12 April 2023, at 22:48
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