161527
Sodium hydrosulfide hydrate
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About This Item
Linear Formula:
NaSH·xH2O
CAS Number:
Molecular Weight:
56.06 (anhydrous basis)
NACRES:
NA.55
PubChem Substance ID:
UNSPSC Code:
12352302
MDL number:
Form:
chips, flakes
Quality Level
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
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
signalword
Danger
hcodes
Storage Class
6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
flash_point_f
194.0 °F - closed cup
flash_point_c
90 °C - closed cup
Hazard Classifications
Acute Tox. 3 Oral - Aquatic Acute 1 - Eye Dam. 1 - Skin Corr. 1B
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Mehdi Bakavoli et al.
Molecules (Basel, Switzerland), 14(12), 4849-4857 (2009-12-25)
Cyclocondensation of 2-[bis(methylthio)methylene]malononitrile (1) and cysteamine (2) afforded 2-(thiazolidin-2-ylidene)malononitrile (3). This compound on treatment with NaSH gave the corresponding thioamide derivative 4a in a regioselective manner on the basis of its single crystal X-ray diffraction analysis. Reaction of this compound
Bruna M Santos et al.
Acta physiologica (Oxford, England), 228(3), e13373-e13373 (2019-09-05)
Whereas some patients have important changes in body core temperature (Tb) during systemic inflammation, others maintain a normal Tb, which is intrinsically associated to immune paralysis. One classical model to study immune paralysis is the use of repeated administration of
Zili Zhang et al.
Life sciences, 232, 116650-116650 (2019-07-16)
Inhalation of NO2 leads to a progressive airflow limitation and the development of emphysema-like lesions. We report on the efficacy of hydrogen sulfide (NaHS) for alleviating NO2-induced pulmonary impairment. Sprague Dawley rats were exposed to 20 ppm NO2 for 6 h over