Indium(III) sulfate

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Indium(III) sulfate
CAS number 13464-82-9 YesY
PubChem 26044
ChemSpider 24258 YesY
Jmol-3D images Image 1
Molecular formula In2(SO4)3
Molar mass 517.81 g/mol
Appearance white-gray odorless powder, hygroscopic, monoclinic crystals at STP
Density 3.44 g/cm3, solid
Melting point decomposes at 600 °C[1]
Solubility in water soluble, (539.2 g/L at 20 °C[2])
EU classification not listed
NFPA 704
Flammability code 0: Will not burn. E.g., water Health code 1: Exposure would cause irritation but only minor residual injury. E.g., turpentine Reactivity code 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g., liquid nitrogen Special hazards (white): no codeNFPA 704 four-colored diamond
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
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Infobox references

Indium(III) sulfate (In2(SO4)3) is a chemical compound. It may be formed by the reaction of indium, its oxide, or its carbonate with sulfuric acid.

The indium(III) cation is weakly oxidizing, and so it should be kept away from powdered aluminium and magnesium as it may react exothermically with it.


  1. ^ Perry D, Phillips S (1995) Handbook of Inorganic Compounds: Version 2.0, An Electronic Database, CRC Press ISBN 0-8493-8671-3
  2. ^ Indium Sulfate. Product Data Sheet Indium Cooperation