Potassium thiocyanate
Chemical compound / From Wikipedia, the free encyclopedia
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.
Quick Facts Names, Identifiers ...
Names | |
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Other names
Potassium sulfocyanate Potassium isothiocyanate (tautomeric form) Potassium thiocyanide Potassium rhodanide | |
Identifiers | |
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3D model (JSmol) |
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3594799 | |
ChEBI | |
ChemSpider |
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ECHA InfoCard | 100.005.792 |
EC Number |
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21362 | |
PubChem CID |
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RTECS number |
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UNII | |
CompTox Dashboard (EPA) |
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Properties | |
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) |
177 g/100 mL (0 °C) 217 g/100 mL (20 °C) | |
Solubility | acetone: 21.0 g/100 mL ethanol: soluble |
−48.0·10−6 cm3/mol | |
Hazards | |
GHS labelling: | |
Warning | |
H302, H312, H318, H319, H332, H412 | |
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) | |
Lethal dose or concentration (LD, LC): | |
LD50 (median dose) |
854 mg/kg (oral, rat)[1] |
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).
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