Ammonium thiocyanate

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].

Ammonium thiocyanate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.015.614
EC Number
  • 217-175-6
RTECS number
  • XN6465000
UNII
UN number 3077
  • InChI=1S/CHNS.H3N/c2-1-3;/h3H;1H3 Y
    Key: SOIFLUNRINLCBN-UHFFFAOYSA-N Y
  • 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:
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)
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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Infobox references
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