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HomeProduct name listPotassium selenocyanate

Potassium selenocyanate

Synonym(s):Selenocyanic acid potassium

  • CAS NO.:3425-46-5
  • Empirical Formula: CKNSe
  • Molecular Weight: 144.08
  • MDL number: MFCD00011366
  • EINECS: 222-320-1
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-10-29 10:04:01
Potassium selenocyanate Structural

What is Potassium selenocyanate?

Description

Potassium selenocyanate, a crystalline solid, is a reagent for the conversion of alkyl halides to nitriles and for the production of pharmaceutical intermediates. It is also used in the field of energy storage devices.

Chemical properties

white to light beige crystalline powder or needles

The Uses of Potassium selenocyanate

Potassium selenocyanate is used to prepare triphenylphosphine selenide by reacting with triphenylphosphine. It finds application in solid state NMR of heavy-metal nuclei which results in the preparation of several mercury thiocyanate and selenocyanate compounds.

The Uses of Potassium selenocyanate

Increasing interest in solid state NMR of heavy-metal nuclei results in the preparation of several Hg-thiocyanate and selenocyanate compounds as potential models. Bowmaker, G.A. et al. Inorg. Chem. 1998, 37, 1734.

What are the applications of Application

Potassium selenocyanate can be used to:
(1) Redox-active electrolyte to enhance the performance of carbon-based supercapacitors.
(2) Starting material for the one-pot stereoselective synthesis of alkyl styryl selenides.
(3) Precursor to synthesize Cu and Ni complexes with antioxidant/anti-inflammatory activities.
(4) Selenylating agent to prepare stereoselective selenoglycosides and selenium-linked disaccharides.

Safety Profile

Poison by intraperitoneal route. When heated to decomposition it emits very toxic fumes of NOx, CN-, K2O, and Se. See also SELENIUM COMPOUNDS and CYANATES.

Purification Methods

Dissolve it in acetone, filter and precipitate it by adding Et2O.

Properties of Potassium selenocyanate

Melting point: 147 °C
Density  2.347
storage temp.  Inert atmosphere,Room Temperature
form  Crystalline Solid, Powder, Crystals and/or Chunks
color  White to off-white
Specific Gravity 2.347
Water Solubility  Soluble in water, ethanol, dimethyl formamide, hexamethylphosphoramide, acetonitrile and methanol. Slightly soluble in terahydrofuran.
Sensitive  Moisture Sensitive
BRN  3912121
Exposure limits ACGIH: TWA 0.2 mg/m3
NIOSH: IDLH 1 mg/m3; TWA 0.2 mg/m3
CAS DataBase Reference 3425-46-5(CAS DataBase Reference)
EPA Substance Registry System Selenocyanic acid, potassium salt (3425-46-5)

Safety information for Potassium selenocyanate

Signal word Danger
Pictogram(s)
ghs
Skull and Crossbones
Acute Toxicity
GHS06
ghs
Health Hazard
GHS08
ghs
Environment
GHS09
GHS Hazard Statements H300:Acute toxicity,oral
H331:Acute toxicity,inhalation
H373:Specific target organ toxicity, repeated exposure
H410:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P260:Do not breathe dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P273:Avoid release to the environment.
P314:Get medical advice/attention if you feel unwell.
P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.

Computed Descriptors for Potassium selenocyanate

InChIKey KYEKHFSRAXRJBR-UHFFFAOYSA-M

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