|Systematic IUPAC name
Lead dithiocyanate, lead isothiocyanate, lead sulfocyanate, lead thiocyanate, lead thiocyanate (Pb(SCN) 2), lead(II) thiocyanate, lead(II) thiocyanate (Pb(NCS) 2), thiocyanic acid, lead(2+) salt
|Molar mass||323.3648 g/mol|
|Appearance||white or light yellow powder|
|Melting point||190 °C (374 °F; 463 K)|
|0.553 g/100 mL|
|Solubility||soluble in nitric acid|
|R-phrases||R61 R20/21/22 R32 R33 R50/53 R62|
|S-phrases||S53 S13 S45 S60 S61|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
|what is: / ?)(|
Lead(II) thiocyanate may be made by reacting lead(II) acetate (Pb(CH3COO)2) solved in water with either potassium thiocyanate (KSCN) or ammonium thiocyanate (NH4SCN), thus causing precipitation of solid lead(II) thiocyanate.
- Pb2+(aq) + 2SCN−(aq) → Pb(SCN)2(s)
Lead(II) thiocyanate is reasonably soluble at room temperature, thus it may be difficult to identify in a solution with low concentration of lead(II) thiocyanate. Although it has not been confirmed by other sources than the author of this article, experiments show that even if there is no precipitation of lead(II) thiocyanate in the solution, crystals of the salt may form.
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