161527

Natriumhydrosulfid Hydrat

• Lineare Formel: NaSH·xH₂O
• CAS-Nummer: 207683-19-0
• Molekulargewicht: 56.06 (anhydrous basis)
• MDL-Nummer: MFCD00149796
• UNSPSC-Code: 12352300
• PubChem Substanz-ID: 329751132
• NACRES: NA.55

Eigenschaften

• Form: chips; flakes
• Qualitätsniveau: 100
• Konzentration: ≥60% (by Na₂S₂O₃, titration)
• mp (Schmelzpunkt): 52-54 °C (lit.)
• SMILES String: [Na]S.[H]O[H]
• InChI: 1S/Na.H2O.H2S/h;2*1H2/q+1;;/p-1
• InChIKey: ZNKXTIAQRUWLRL-UHFFFAOYSA-M

Beschreibung

Allgemeine Beschreibung

Sodium hydrosulfide hydrate is a hydrated inorganic salt of sodium. It participates in the synthesis of (E)-2-cyano-2-(thiazolidin-2-ylidene)ethanethioamide.

Anwendung

It may be used as a sulfur nucleophile to induce the C-S bond formation in α,β-dichloro vinyl ketones to form 5- to 8-membered cyclic thioethers.

Sodium hydrosulfide hydrate may be used in the synthesis of following:

• benzothiazole
• 4-methoxybenzothioamide
• 2-(4-methoxyphenyl)imidazoline
• 7-chloro-4′-methoxythioflavone

Sicherheitshinweise

• Piktogramme: GHS05,GHS06,GHS09
• Signalwort: Danger
• H-Sätze: H301 - H314 - H400
• P-Sätze: P260 - P273 - P280 - P301 + P310 + P330 - P303 + P361 + P353 - P305 + P351 + P338
• Gefahreneinstufungen: Acute Tox. 3 Oral - Aquatic Acute 1 - Skin Corr. 1B
• Lagerklassenschlüssel: 6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• WGK: WGK 3
• Flammpunkt (°F): 194.0 °F - closed cup
• Flammpunkt (°C): 90 °C - closed cup