Potassium thiocyanate

Potassium thiocyanate
Names
	Other names Potassium sulfocyanate; Potassium isothiocyanate (tautomeric form); Potassium thiocyanide; Potassium rhodanide
Identifiers
CAS Number	333-20-0 ;
3D model (JSmol)	Interactive image;
Beilstein Reference	3594799
ChEBI	CHEBI:30951 ;
ChemSpider	9150 ;
ECHA InfoCard	100.005.792
EC Number	206-370-1;
Gmelin Reference	21362
PubChem CID	516872;
RTECS number	XL1925000;
UNII	TM7213864A ;
CompTox Dashboard (EPA)	DTXSID7029619 ;
	InChI InChI=1S/CHNS.K/c2-1-3;/h3H;/q;+1/p-1 Key: ZNNZYHKDIALBAK-UHFFFAOYSA-M ; InChI=1/CHNS.K/c2-1-3;/h3H;/q;+1/p-1 Key: ZNNZYHKDIALBAK-REWHXWOFAT;
	SMILES C(#N)[S-].[K+];
Properties
Chemical formula	KSCN
Molar mass	97.181 g mol−1
Appearance	Colorless deliquescent crystals
Odor	Odorless
Density	1.886 g/cm3
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	acetone: 21.0 g/100 mL ; ethanol: soluble
Magnetic susceptibility (χ)	−48.0·10−6 cm3/mol
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H302, H312, H318, H319, H332, H412
Precautionary statements	P261, P264, P270, P271, P273, P280, P301+P312, P302+P352, P304+P312, P304+P340, P305+P351+P338, P310, P312, P322, P330, P337+P313, P363, P501
NFPA 704 (fire diamond)	2 0 0
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	854 mg/kg (oral, rat)
Safety data sheet (SDS)	ICSC 1088
Related compounds
Other anions	Potassium cyanate; Potassium cyanide
Other cations	Sodium thiocyanate; Ammonium thiocyanate
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

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.

Names



Other names Potassium sulfocyanate Potassium isothiocyanate (tautomeric form) Potassium thiocyanide Potassium rhodanide
Identifiers
CAS Number	333-20-0^Y
3D model (JSmol)	Interactive image
Beilstein Reference	3594799
ChEBI	CHEBI:30951^Y
ChemSpider	9150^Y
ECHA InfoCard	100.005.792
EC Number	206-370-1
Gmelin Reference	21362
PubChem CID	516872
RTECS number	XL1925000
UNII	TM7213864A^Y
CompTox Dashboard (EPA)	DTXSID7029619
InChI InChI=1S/CHNS.K/c2-1-3;/h3H;/q;+1/p-1^Y Key: ZNNZYHKDIALBAK-UHFFFAOYSA-M^Y InChI=1/CHNS.K/c2-1-3;/h3H;/q;+1/p-1 Key: ZNNZYHKDIALBAK-REWHXWOFAT
SMILES C(#N)[S-].[K+]
Properties
Chemical formula	KSCN
Molar mass	97.181 g mol⁻¹
Appearance	Colorless deliquescent crystals
Odor	Odorless
Density	1.886 g/cm³
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	acetone: 21.0 g/100 mL ethanol: soluble
Magnetic susceptibility (χ)	−48.0·10⁻⁶ cm³/mol
Hazards
GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H302, H312, H318, H319, H332, H412
Precautionary statements	P261, P264, P270, P271, P273, P280, P301+P312, P302+P352, P304+P312, P304+P340, P305+P351+P338, P310, P312, P322, P330, P337+P313, P363, P501
NFPA 704 (fire diamond)	2 0 0
Lethal dose or concentration (LD, LC):
LD₅₀ (median dose)	854 mg/kg (oral, rat)
Safety data sheet (SDS)	ICSC 1088
Related compounds
Other anions	Potassium cyanate Potassium cyanide
Other cations	Sodium thiocyanate Ammonium thiocyanate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is ^YN ?) Infobox references