208043
Sodium sulfide nonahydrate
ACS reagent, ≥98.0%
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About This Item
Linear Formula:
Na2S·9H2O
CAS Number:
Molecular Weight:
240.18
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
215-211-5
MDL number:
Assay:
≥98.0%
Grade:
ACS reagent
Form:
crystals or chunks
grade
ACS reagent
Quality Segment
assay
≥98.0%
form
crystals or chunks
reaction suitability
reagent type: catalyst
core: sodium
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
SMILES string
O.O.O.O.O.O.O.O.O.[Na]S[Na]
InChI
1S/2Na.9H2O.S/h;;9*1H2;
InChI key
UIINQVYGFKNSPA-UHFFFAOYSA-N
General description
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.
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.
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Corr. 1B
Storage Class
6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
flash_point_f
Not applicable
flash_point_c
Not applicable
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