P3011
Potassium thiocyanate
ReagentPlus®, ≥99.0%
Synonym(s):
Potassium rhodanide
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About This Item
Linear Formula:
KSCN
CAS Number:
Molecular Weight:
97.18
UNSPSC Code:
12352302
NACRES:
NA.55
PubChem Substance ID:
EC Number:
206-370-1
Beilstein/REAXYS Number:
3594799
MDL number:
Assay:
≥99.0%
Form:
powder or crystals
Quality Level
product line
ReagentPlus®
assay
≥99.0%
form
powder or crystals
pH
5.3-8.7 (25 °C, 97.2 g/L)
mp
173 °C (lit.)
SMILES string
[K]SC#N
InChI
1S/CHNS.K/c2-1-3;/h3H;/q;+1/p-1
InChI key
ZNNZYHKDIALBAK-UHFFFAOYSA-M
General description
Potassium thiocyanate (KSCN) is a potassium salt of thiocyanate anion. Its crystalline structure has been analyzed based on polarized infrared spectral data. The inhibition efficiency of KSCN dissolved in 1M HCl against the corrosion of carbon-steel has been evaluated. It facilitates the ring opening of aziridines with high regioselectivity.
Application
Potassium thiocyanate may be used in the synthesis of the following:
- α-Amino nitriles from tertiary amines.
- Polysubstituted 2-aminothiazoles from vinyl azides.
- Benzisothiazol-3(2H)-one derivatives from o-bromobenzamides.
- Diaryl thioethers from aryl halides.
Legal Information
ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany
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signalword
Danger
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1
supp_hazards
Storage Class
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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Synthesis of diaryl thioethers from aryl halides and potassium thiocyanate.
Hajipour AR, et al.
Applied Organometallic Chemistry, 28(12), 879-879 (2014)
Potassium Thiocyanate as Source of Cyanide for the Oxidative α-Cyanation of Tertiary Amines.
Wagner A and Ofial AR.
The Journal of Organic Chemistry, 80(5), 2848-2854 (2015)
Regioselective ring-opening of aziridines with potassium thiocyanate in the presence of β-cyclodextrin in water.
Reddy MS, et al.
Tetrahedron Letters, 46(38), 6437-6439 (2005)