161527

Sodium hydrosulfide hydrate

• Linear Formula: NaSH·xH₂O
• CAS Number: 207683-19-0
• Molecular Weight: 56.06 (anhydrous basis)
• MDL number: MFCD00149796
• UNSPSC Code: 12352302
• PubChem Substance ID: 329751132
• NACRES: NA.55

Properties

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

Description

General description

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

Application

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

Safety Information

• Pictograms: GHS06,GHS05,GHS09
• Signal Word: Danger
• Hazard Statements: H301,H314,H400
• Precautionary Statements: P260 - P273 - P280 - P301 + P310 + P330 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 3 Oral - Aquatic Acute 1 - Skin Corr. 1B
• Storage Class Code: 6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• WGK: WGK 3
• Flash Point(F): 194.0 °F - closed cup
• Flash Point(C): 90 °C - closed cup