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
Beilstein:
3594799
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.55
Assay:
≥99.0%
form:
powder or crystals
Recommended Products
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
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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
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1
Supplementary Hazards
Storage Class Code
13 - Non Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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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)
Iron (II)-Promoted Synthesis of 2-Aminothiazoles via C=N Bond Formation from Vinyl Azides and Potassium Thiocyanate.
Zhang G, et al.
Advanced Synthesis & Catalysis, 357(5), 1065-1069 (2015)
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)
Polarized infrared spectrum of potassium thiocyanate.
Jones LH.
J. Chem. Phys. , 28(6), 1234-1236 (1958)
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