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Merck

161527

Sodium hydrosulfide hydrate

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About This Item

Fórmula lineal:
NaSH·xH2O
Número CAS:
207683-19-0
Peso molecular:
56.06 (anhydrous basis)
NACRES:
NA.55
PubChem Substance ID:
329751132
UNSPSC Code:
12352302
MDL number:
MFCD00149796
form:
chips
flakes

InChI

1S/Na.H2O.H2S/h;2*1H2/q+1;;/p-1

SMILES string

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

InChI key

ZNKXTIAQRUWLRL-UHFFFAOYSA-M

form

chips
flakes

concentration

≥60% (by Na2S2O3, titration)

mp

52-54 °C (lit.)

Quality Level

100

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Categorías relacionadas

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

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.

signalword

Danger

Hazard Classifications

Acute Tox. 3 Oral - Aquatic Acute 1 - Skin Corr. 1B

Clase de almacenamiento

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

wgk

WGK 3

flash_point_f

194.0 °F - closed cup

flash_point_c

90 °C - closed cup

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Certificados de análisis (COA)

Lot/Batch Number
SHBR6131
SHBR3997
SHBQ7513
SHBR0193
SHBP0761

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  4. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  5. What is the typical water content of Product 161527, Sodium hydrosulfide hydate? That is, how many waters of hydration?

    Product No. 161527 is typically a sesquihydrate, meaning 1.5 moles of water per mole of NaHS.

  6. What are the impurities in Product 161527, Sodium hydrosulfide hydate?

    The impurities are sodium sulfide, water, sodium sulfoxide, sodium carbonate and iron.

  7. What is the sodium hydrosulfide (NaHS) content for Product 161527, Sodium hydrosulfide hydate?

    The NaHS content of this product is typically about 70%. The value for each lot is reported on the Certifcate of Analysis (CofA). CofAs are available from our website, www.sigmaaldrich.com

  8. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

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
Practical and Versatile Synthesis of Thioflavones from 2-Bromobenzoyl Chlorides.
Lee JI and Choi JS.
J. Korean Chem. Soc., 59(3) (2015)
Honggang Wang et al.
Biology open, 8(7) (2019-07-19)
The aim of this study was to investigate whether exogenous hydrogen sulfide (H2S) could mitigate NLRP3 inflammasome-mediated inflammation through promoting autophagy via the AMPK-mTOR pathway in L02 cells. L02 cells were stimulated with different concentrations of oleic acid (OA), then
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
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