Aluminon

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Aluminon
Other names ammonium aurin-tricarboxylate
Identifiers
CAS number [569-58-4]
PubChem 68439
Properties
Molecular formula C22H23N3O9
Molar mass 473.48 g/mol
Appearance yellow-brown crystals, red in aqueous solution
Solubility in other solvents soluble in H2O
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)

Infobox disclaimer and references

Aluminon, the triammonium salt of aurin tricarboxylic acid, is a dye commonly used to detect the presence of aluminium ion in an aqueous solution. In addition to its use in qualitative inorganic analysis, Aluminon has applications in pharyngeal aerosols.

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