220930

Kaliumnitrosodisulfonat

• Synonym(e): Fremy`sches Salz
• Lineare Formel: (KSO₃)₂NO
• CAS-Nummer: 14293-70-0
• Molekulargewicht: 268.33
• EG-Nummer: 238-219-0
• MDL-Nummer: MFCD00010878
• UNSPSC-Code: 12352000
• PubChem Substanz-ID: 24853200
• NACRES: NA.22

Eigenschaften

• Form: powder
• Qualitätsniveau: 100
• Eignung der Reaktion: reagent type: oxidant
• Lagertemp.: 2-8°C
• SMILES String: [K+].[K+].[O]N(S([O-])(=O)=O)S([O-])(=O)=O
• InChI: 1S/2K.H2NO7S2/c;;2-1(9(3,4)5)10(6,7)8/h;;(H,3,4,5)(H,6,7,8)/q2*+1;/p-2
• InChIKey: IHSLHAZEJBXKMN-UHFFFAOYSA-L

Beschreibung

Allgemeine Beschreibung

Potassium nitrosodisulfonate is an oxidizing reagent that can be used to convert phenols, naphthols, and anilines to quinones, benzylic alcohols to aldehydes or ketones, and amino acids to α-keto acids. It can also be used for the preparation of heterocyclic quinones and oxidative aromatization[1].

Anwendung

Potassium nitrosodisulfonate can be used as an oxidizing reagent for the oxidation of:

• Aromatic amines to their corresponding quinones[2].
• Hydroethidine to 2-hydroxyethidium[3].
• Tyrosine to o-quinones[4].

Sicherheitshinweise

• Piktogramme: GHS02,GHS07
• Signalwort: Danger
• H-Sätze: H260,H302 + H312 + H332
• P-Sätze: P223 - P231 + P232 - P280 - P301 + P312 - P302 + P352 + P312 - P304 + P340 + P312
• Gefahreneinstufungen: Acute Tox. 4 Oral - Water-react 1
• Zusätzliche Gefahrenhinweise: EUH014
• Lagerklassenschlüssel: 4.3 - Hazardous materials which set free flammable gases upon contact with water
• WGK: WGK 3
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable
• Persönliche Schutzausrüstung: dust mask type N95 (US), Eyeshields, Gloves