Indium perchlorate

Indium perchlorate is the inorganic compound with the chemical formula In(ClO
₄)
₃.^[1] The compound is an indium salt of perchloric acid.^[2][3]

Indium perchlorate

Names
Other names Indium triperchlorate, indium(III) perchlorate
Identifiers
CAS Number	13529-74-3^Y
3D model (JSmol)	Interactive image
ECHA InfoCard	100.033.507
EC Number	236-874-7
PubChem CID	11212117
InChI InChI=1S/3ClHO4.In/c3*2-1(3,4)5;/h3*(H,2,3,4,5);/q;;;+3/p-3 Key: TWFKOYFJBHUHCH-UHFFFAOYSA-K
SMILES [O-]Cl(=O)(=O)=O.[O-]Cl(=O)(=O)=O.[O-]Cl(=O)(=O)=O.[In+3]
Properties
Chemical formula	In(ClO 4) 3
Molar mass	413.17
Appearance	colorless crystals
Solubility in water	soluble
Hazards
Occupational safety and health (OHS/OSH):
Main hazards	Oxidizer
Related compounds
Other anions	indium nitrate, indium sulfate
Other cations	aluminum perchlorate, gallium perchlorate, thallium perchlorate
Related compounds	indium(I) perchlorate, indium chlorate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Synthesis

Dissolving indium hydroxide in perchloric acid:

${\displaystyle {\ce {In(OH)3 + 3HClO4 -> In(ClO4)3 + 3H2O}}}$ 

Physical properties

Indium(III) perchlorate forms colorless crystals. It is soluble in water and ethanol.

The compound forms a crystallohydrate In(ClO
₄)
₃•8H
₂O, that melts in its own crystallization water at 80 °C.^[4]

The octahydrate is easily soluble in ethanol and acetic acid.

References

1. Burgess, J. (31 October 2007). Inorganic Reaction Mechanisms: Volume 1. Royal Society of Chemistry. p. 110. ISBN 978-1-84755-648-6. Retrieved 15 March 2023.
2. "Indium Perchlorate". Russian Journal of Physical Chemistry. British Library Lending Division. 48, Part 3: 1611. 1974. Retrieved 15 March 2023.
3. Eyring, Edward M.; Owen, Jeffrey D. (April 1970). "Kinetics of aqueous indium(III) perchlorate dimerization". The Journal of Physical Chemistry. 74 (9): 1825–1828. doi:10.1021/j100704a001.
4. "Indium(III) perchlorate hydrate". Sigma Aldrich. Retrieved 15 March 2023.