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Autres documents

208043

Sigma-Aldrich

Sodium sulfide nonahydrate

ACS reagent, ≥98.0%

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About This Item

Formule linéaire :
Na2S·9H2O
Numéro CAS:
1313-84-4
Poids moléculaire :
240.18
Numéro CE :
215-211-5
Numéro MDL:
MFCD00149184
Code UNSPSC :
12352302
ID de substance PubChem :
329752036
Nomenclature NACRES :
NA.21

Qualité

ACS reagent

Pureté

≥98.0%

Forme

crystals or chunks

Pertinence de la réaction

reagent type: catalyst
core: sodium

Couleur

colorless to slightly yellow

Traces d'anions

SO32- and S2O32-: ≤0.1%

Traces de cations

Fe:, passes test
NH4+: ≤0.005%

Température de stockage

2-8°C

Chaîne SMILES 

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

InChI

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

Clé InChI

UIINQVYGFKNSPA-UHFFFAOYSA-N

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Description générale

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

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.

Pictogrammes

Skull and crossbonesCorrosionEnvironment
GHS06,GHS05,GHS09

Mention d'avertissement

Danger

Mentions de danger

H302,H311,H314,H410

Classification des risques

Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Corr. 1B

Code de la classe de stockage

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Certificats d'analyse (COA)

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Preservation and simultaneous analysis of relevant soluble sulfur species in sewage samples
Keller-Lehmann B, et al.
Proceedings of the 2nd International Conference on Intelligent Technologies and Engineering Systems (ICITES2013). Springer International Publishing, 2014., 26 (2006)
Daniel L Priebbenow et al.
Chemical Society reviews, 42(19), 7870-7880 (2013-06-25)
The Willgerodt-Kindler reaction has, in recent years, received limited attention and application in synthetic organic chemistry. With the advent of new technology such as microwave-assisted heating, several new, high-yielding, practical, and more environmentally friendly reaction protocols have been developed. This
Reduction of nitroxides to amines by sodium sulfide.
Kornblum N and Pinnick HW.
The Journal of Organic Chemistry, 37(12), 2050-2051 (1972)
Manuel F Rosario-Alomar et al.
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
Reaction of 4-(2'-Hydroxyaryl)-1, 3-dithiolium Salts with Sodium Sulfide. A Selective Synthesis of 2'-Hydroxyacetophenones.
Birsa ML.
Synthetic Communications, 33(17), 3071-3076 (2003)
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