220930

Kaliumnitrosodisulfonat

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

Eigenschaften

• form: powder
• Quality Segment: 100
• reaction suitability: reagent type: oxidant
• storage temp.: 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
• InChI key: IHSLHAZEJBXKMN-UHFFFAOYSA-L

Beschreibung

General description

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.

Application

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

• Aromatic amines to their corresponding quinones.
• Hydroethidine to 2-hydroxyethidium.
• Tyrosine to o-quinones.

Sicherheitshinweise

• pictograms: GHS02,GHS07
• signalword: Danger
• hcodes: H260,H302 + H312 + H332
• pcodes: P223 - P231 + P232 - P280 - P301 + P312 - P302 + P352 + P312 - P304 + P340 + P312
• supp_hazards: EUH014
• Lagerklasse: 4.3 - Hazardous materials which set free flammable gases upon contact with water
• wgk: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: dust mask type N95 (US), Eyeshields, Gloves
• Hazard Classifications: Acute Tox. 4 Oral - Water-react. 1