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Potassium thiocyanate

Potassium thiocyanate is the chemical compound with the molecular formula KSCN. It is an important salt of the thiocyanate anion, one of the pseudohalides. The compound has a low melting point relative to most other inorganic salts.

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Further Information

Names

Other names

Potassium sulfocyanate
Potassium isothiocyanate
Potassium thiocyanide Potassium rhodanide

Identifiers

CAS Number: 333-20-0

JSmol: Interactive image

ChEBI: CHEBI:30951

ChemSpider: 9150

ECHA InfoCard: 100.005.792

PubChem: 516872

RTECS number: XL1925000

UNII: TM7213864A

Properties

Chemical formula: KSCN

Molar mass: 97.181 g mol

Appearance: deliquescent

Odor: Odorless

Density: 1.886 g/cm

Melting point: 173.2 °C (343.8 °F; 446.3 K)

Boiling point: 500 °C (932 °F; 773 K) (decomposes)

Solubility in water: 177 g/100 mL (0 °C)
217 g/100 mL (20 °C)

Solubility: 21.0 g/100 mL

Magnetic susceptibility: −48.0·10 cm/mol−63

Hazards

Safety data sheet: ICSC 1088

EU classification: T

R-phrases: R20/21/22 R32 R52/53

S-phrases: (S2) S13 S61

NFPA 704:

median dose: 854 mg/kg (oral, rat)

Related compounds

anions: Potassium cyanate

cations: Sodium thiocyanate

Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).

Infobox references