Ammonium thiocyanate

Ammonium thiocyanate
Space-filling model of the ammonium cation
Space-filling model of the ammonium cation
Space-filling model of the thiocyanate anion
Space-filling model of the thiocyanate anion
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.015.614 Edit this at Wikidata
EC Number
  • 217-175-6
RTECS number
  • XN6465000
UNII
UN number 3077
  • InChI=1S/CHNS.H3N/c2-1-3;/h3H;1H3 checkY
    Key: SOIFLUNRINLCBN-UHFFFAOYSA-N checkY
  • InChI=1/CHNS.H3N/c2-1-3;/h3H;1H3
    Key: SOIFLUNRINLCBN-UHFFFAOYAF
  • [S-]C#N.[NH4+]
Properties
[NH4][SCN]
Molar mass 76.122 g/mol
Appearance Colorless hygroscopic crystalline solid
Density 1.305 g/cm3
Melting point 149.5 °C (301.1 °F; 422.6 K)
Boiling point 170 °C (338 °F; 443 K) (decomposes)
128 g/(100 mL) (0 °C)
Solubility soluble in liquid ammonia, alcohol, acetone
−48.1·10−6 cm3/mol
Hazards
GHS labelling:
GHS07: Exclamation markGHS09: Environmental hazard
Warning
H302, H312, H332, H410, H412
P261, P264, P270, P271, P273, P280, P301+P312, P302+P352, P304+P312, P304+P340, P312, P322, P330, P363, P391, P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroformFlammability 1: Must be pre-heated before ignition can occur. Flash point over 93 °C (200 °F). E.g. canola oilInstability 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g. calciumSpecial hazards (white): no code
2
1
1
Safety data sheet (SDS) External MSDS
Related compounds
Other anions
 Ammonium cyanate
Other cations
Related compounds
 Ammonium cyanide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Ammonium thiocyanate is an inorganic compound with the formula [NH4]+[SCN]−. It is an ammonium salt of thiocyanic acid. It consists of ammonium cations [NH4]+ and thiocyanate anions [SCN]−.