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P2713

Sigma-Aldrich

Potassium thiocyanate

BioXtra, ≥99.0%

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Synonym(s):
Potassium rhodanide
Linear Formula:
KSCN
CAS Number:
Molecular Weight:
97.18
Beilstein/REAXYS Number:
3594799
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.31

product line

BioXtra

Quality Level

assay

≥99.0%

form

crystals

impurities

≤0.001% Phosphorus (P)
≤0.005% Insoluble matter

mp

173 °C (lit.)

solubility

H2O: 1 M, clear, colorless

anion traces

chloride (Cl-): ≤0.005%
sulfate (SO42-): ≤0.005%

cation traces

Al: ≤0.005%
Ca: ≤0.001%
Cu: ≤0.0005%
Fe: ≤0.0005%
Mg: ≤0.0005%
NH4+: ≤0.003%
Na: ≤0.005%
Pb: ≤0.001%
Zn: ≤0.0005%

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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1 of 4

This Item
207799P301173059
vibrant-m

P2713

Potassium thiocyanate

Premium Grade
vibrant-m

207799

Potassium thiocyanate

Essential Grade
vibrant-m

P3011

Potassium thiocyanate

-
vibrant-m

73059

Potassium thiocyanate solution

Premium Grade
solubility

H2O: 1 M, clear, colorless

solubility

-

solubility

-

solubility

H2O: 8 M at 20 °C, clear, colorless

assay

≥99.0%

assay

99%

assay

≥99.0%

assay

-

Quality Level

200

Quality Level

200

Quality Level

100

Quality Level

200

mp

173 °C (lit.)

mp

173 °C (lit.)

mp

173 °C (lit.)

mp

-

cation traces

Al: ≤0.005%, Cu: ≤0.0005%, Mg: ≤0.0005%, Na: ≤0.005%, Zn: ≤0.0005%, Ca: ≤0.001%, NH4+: ≤0.003%, Fe: ≤0.0005%

cation traces

Fe: ≤2 ppm, NH4+: ≤0.003%, Na: ≤0.005%, heavy metals (as Pb): ≤5 ppm

cation traces

-

cation traces

Al: ≤1 mg/kg, As: ≤0.1 mg/kg, Ba: ≤10 mg/kg, Bi: ≤1 mg/kg, Ca: ≤5 mg/kg, Cd: ≤1 mg/kg, Co: ≤1 mg/kg, Cr: ≤1 mg/kg, Cu: ≤1 mg/kg, Fe: ≤1 mg/kg, Li: ≤1 mg/kg, Mg: ≤1 mg/kg, Mn: ≤1 mg/kg, Mo: ≤1 mg/kg, NH4+: ≤10 mg/kg, Na: ≤200 mg/kg, Ni: ≤1 mg/kg, Pb: ≤2 mg/kg, Sr: ≤1 mg/kg, Zn: ≤1 mg/kg

Application

Potassium thiocyanate has been used as one of the component in the formulation of artificial saliva for in vitro human digestion model. It has also been used in the isolation of glycosaminoglycans from fish.

pictograms

CorrosionExclamation mark

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_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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A concise approach to various benzisothiazol-3(2H)-one derivatives has been developed by copper-catalyzed the reaction of o-bromobenzamide derivatives with potassium thiocyanate (KSCN) in water. The reaction proceeds via a tandem reaction with S-C bond and S-N bond formation.

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