Skip to Content
Merck

Key Documents

View All Documentation

161527

Sodium hydrosulfide hydrate

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Linear Formula:
NaSH·xH2O
CAS Number:
207683-19-0
Molecular Weight:
56.06 (anhydrous basis)
NACRES:
NA.55
PubChem Substance ID:
329751132
UNSPSC Code:
12352302
MDL number:
MFCD00149796
Form:
chips, flakes
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Quality Segment

100

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

Hazard Classifications

Acute Tox. 3 Oral - Aquatic Acute 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

194.0 °F - closed cup

flash_point_c

90 °C - closed cup

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

161527-100G:4.548173222936E12 + 161527-5G:4.548173222967E12 + 161527-3KG:4.54817322295E12 + 161527-1KG:4.548173222943E12

jan

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library