307750

Kaliumdisulfat

ReagentPlus^®, 99%

• Synonym(e): Kaliumpyrosulfat
• Empirische Formel (Hill-System): K₂S₂O₇
• CAS-Nummer: 7790-62-7
• Molekulargewicht: 254.32
• EG-Nummer: 232-216-8
• MDL-Nummer: MFCD00011385
• UNSPSC-Code: 12352302
• PubChem Substanz-ID: 24858622
• NACRES: NA.22

Eigenschaften

• Qualitätsniveau: 100
• Produktlinie: ReagentPlus^®
• Assay: 99%
• Form: powder
• Dichte: 2.28 g/mL at 25 °C (lit.)
• SMILES String: [K+].[K+].[O-]S(=O)(=O)OS([O-])(=O)=O
• InChI: 1S/2K.H2O7S2/c;;1-8(2,3)7-9(4,5)6/h;;(H,1,2,3)(H,4,5,6)/q2*+1;/p-2
• InChIKey: KAQHZJVQFBJKCK-UHFFFAOYSA-L

Beschreibung

Anwendung

Potassium disulfate (K₂S₂O₇) can be used:

• As a salt catalyst for the conversion of hemicellulose into reducing sugars such as xylose and galactose by mechanocatalysis .
• In the preparation of diacylbenzenes via Pd-catalyzed decarboxylative acylation of aromatic ketones with oxocarboxylic acids.
• As an oxidant for the preparation of monosubstituted triazoles from aryl azides and propargyl alcohol using Ag₂O as a catalyst.

Rechtliche Hinweise

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Sicherheitshinweise

• Piktogramme: GHS06,GHS05
• Signalwort: Danger
• H-Sätze: H314,H331
• P-Sätze: P260 - P271 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Gefahreneinstufungen: Acute Tox. 3 Inhalation - Eye Dam. 1 - Skin Corr. 1A
• Lagerklassenschlüssel: 6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• WGK: WGK 3
• Persönliche Schutzausrüstung: Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges