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About: Frémy's salt     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:WikicatPotassiumCompounds, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: Thingdul:ChemicalObjectchemical substanceChemical compoundyago:WikicatNitrogenCompoundsyago:WikicatOxygenCompoundsyago:WikicatSulfurCompoundsyago:Abstraction100002137yago:Cognition100023271yago:Compound105870180yago:Concept105835747yago:Content105809192yago:Idea105833840yago:PsychologicalFeature100023100chemical compoundyago:Whole105869584yago:WikicatPotassiumCompounds New Facet based on Instances of this Class

Frémy's salt is a chemical compound with the formula (K4[ON(SO3)2]2), sometimes written as (K2[NO(SO3)2]). It a bright yellowish-brown solid, but its aqueous solutions are bright violet. The related sodium salt, disodium nitrosodisulfonate (NDS, Na2ON(SO3)2, CAS 29554-37-8) is also referred to as Frémy's salt. Regardless of the cations, the salts are distinctive because aqueous solutions contain the radical [ON(SO3)2]2−.