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Merck
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161527

硫氢化钠 水合物

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线性分子式:
NaSH·xH2O
化学文摘社编号:
分子量:
56.06 (anhydrous basis)
NACRES:
NA.55
PubChem Substance ID:
UNSPSC Code:
12352302
MDL number:
Form:
chips
flakes
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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

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相关类别

Application

它可以用作硫亲核试剂以诱导α,β-二氯乙烯基酮中的CS键形成,以形成5-至8-元环状硫醚。
氢硫化钠水合物可用于以下合成:
  • 苯并噻唑
  • 4-甲氧基苯并硫代酰胺
  • 2-(4-甲氧基苯基)咪唑啉
  • 7-氯-4′-甲氧基硫黄酮

General description

氢硫化钠水合物是钠的水合无机盐。它参与合成(E)-2-氰基-2-(噻唑烷-2-亚基)硫代乙酰胺。

signalword

Danger

Hazard Classifications

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

存储类别

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

法规信息

监管及禁止进口产品
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历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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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.

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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.
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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
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Practical and Versatile Synthesis of Thioflavones from 2-Bromobenzoyl Chlorides.
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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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