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215074

Sigma-Aldrich

Potassium cyanate

96%

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About This Item

Linear Formula:
KOCN
CAS Number:
Molecular Weight:
81.12
Beilstein:
3594798
EC Number:
MDL number:
UNSPSC Code:
12352302
eCl@ss:
38060513
PubChem Substance ID:
NACRES:
NA.55

Assay

96%

form

powder, crystals or chunks

density

2.056 g/mL at 25 °C (lit.)

SMILES string

[K+].[O-]C#N

InChI

1S/CHNO.K/c2-1-3;/h3H;/q;+1/p-1

InChI key

GKKCIDNWFBPDBW-UHFFFAOYSA-M

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General description

Potassium cyanate can be prepared by reacting urea with alkali hydroxide or carbonates at high temperatures.

Application

Potassium cyanate may be used as one of the reaction components for the synthesis of the following:
  • urea
  • hydantion
  • glycosylamine 1,2-(cyclic carbamates) {glycofurano(or pyrano)[1,2-d]oxazolidin-2-ones}
  • arylcarbamates
  • (S)-(-)-1-carbamoyl-2-methoxymethylpyrrolidine

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Transformation of aldoses into glycosylamine 1, 2-(cyclic carbamates)(glyco-oxazolidin-2-ones) by reaction with potassium cyanate.
Kovacs J, et al.
Carbohydrate Research, 210, 155-166 (1991)
Eagleson M.
Concise Encyclopedia Chemistry, 503-503 (1994)
Copper-Catalyzed Coupling of Arylboronic Acids with Potassium Cyanate: A New Approach to the Synthesis of Aryl Carbamates.
Kianmehr E and Baghersad MH.
Advanced Synthesis & Catalysis, 353(14-15), 2599-2603 (2011)
S)-(-)-1-Amino-2-Methoxymethylpyrrolidine (SAMP) and (R)-(+)-1-Amino-2-Methoxymethylpyrrolidine (RAMP), Versatile Chiral Auxiliaries.
Enders D, et al
Organic Syntheses, 173-173 (1987)
Eagleson M.
Concise Encyclopedia Chemistry, 289-289 (1994)

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