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Merck

208043

Sigma-Aldrich

Natriumsulfid Nonahydrat

ACS reagent, ≥98.0%

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About This Item

Lineare Formel:
Na2S·9H2O
CAS-Nummer:
Molekulargewicht:
240.18
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
12352302
PubChem Substanz-ID:
NACRES:
NA.21

Qualität

ACS reagent

Assay

≥98.0%

Form

crystals or chunks

Eignung der Reaktion

reagent type: catalyst
core: sodium

Farbe

colorless to slightly yellow

Anionenspuren

SO32- and S2O32-: ≤0.1%

Kationenspuren

Fe:, passes test
NH4+: ≤0.005%

Lagertemp.

2-8°C

SMILES String

O.O.O.O.O.O.O.O.O.[Na]S[Na]

InChI

1S/2Na.9H2O.S/h;;9*1H2;

InChIKey

UIINQVYGFKNSPA-UHFFFAOYSA-N

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Allgemeine Beschreibung

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

Anwendung

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.

Signalwort

Danger

Gefahreneinstufungen

Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 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)

Not applicable

Flammpunkt (°C)

Not applicable


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Reduction of nitroxides to amines by sodium sulfide.
Kornblum N and Pinnick HW.
The Journal of Organic Chemistry, 37(12), 2050-2051 (1972)
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The journal of physical chemistry. B, 119(4), 1265-1274 (2014-12-30)
Amyloid fibrils are large aggregates of misfolded proteins, which are often associated with various neurodegenerative diseases such as Alzheimer's, Parkinson's, Huntington's, and vascular dementia. The amount of hydrogen sulfide (H2S) is known to be significantly reduced in the brain tissue
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Birsa ML.
Synthetic Communications, 33(17), 3071-3076 (2003)

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