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208043 Sigma-Aldrich

Sodium sulfide nonahydrate

ACS reagent, ≥98.0%

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Properties

Related Categories Catalysis and Inorganic Chemistry, Chemical Synthesis, Essential Chemicals, Research Essentials, Salts,
grade   ACS reagent
InChI Key   UIINQVYGFKNSPA-UHFFFAOYSA-N
assay   ≥98.0%
form   crystals or chunks
color   colorless to slightly yellow
anion traces   SO32- and S2O32-: ≤0.1%
cation traces   Fe:, passes test
  NH4+: ≤0.005%
storage temp.   2-8°C

Description

Packaging

3 kg in poly drum

5, 100, 500 g in glass bottle

Application

Sodium sulfide nonahydrate has been used as a source of H2S, to study the effect of H2S on amyloid fibrils associated with neurodegenerative diseases. It has been used in the preparation of sulfide standards for the quantitative analysis of sulfides in raw wastewater (sewage) samples.
It serves as a catalyst during synthesis of thioamides.

Sodium sulfide nonahydrate has been used as a standard for the quantification of volatile sulfur compounds in cheese samples by gas chromatography. It reacts with 4-(2′-hydroxyaryl)-2-(N,N-dialkylamino)-1,3-dithiolium perchlorates in ethanol at room temperature and boiling ethanol to form 1,3-dithiole-2-thiones and 2′-hydroxyacetophenones, respectively. Sodium sulfide nonahydrate may be used as a reducing agent for the conversion of vic-dibromides to the corresponding olefins via reductive debromination.

General description

Sodium sulfide nonahydrate participates in the conversion of nitroxides to amines, via reduction.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN 1849 8 / PGII
WGK Germany 
2
RTECS 
WE1925000

Documents

Certificate of Analysis

Certificate of Origin

Protocols & Articles
Peer-Reviewed Papers
15

References

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