| Identification | Back Directory | [Name]
FERRIC THIOCYANATE | [CAS]
4119-52-2 | [Synonyms]
FERRIC THIOCYANATE
ferric trithiocyanate
iron tris(thiocyanate)
IRON (III) THIOCYANATE
iron(3+) trithiocyanate
Tris(thiocyanic acid)iron(III) salt | [EINECS(EC#)]
223-913-8 | [Molecular Formula]
C3FeN3S3 | [MDL Number]
MFCD00049926 | [MOL File]
4119-52-2.mol | [Molecular Weight]
230.09 |
| Chemical Properties | Back Directory | [solubility ]
soluble in H2O, ethanol, acetone; itol, chloroform | [form ]
red hygroscopic crystals | [color ]
red-violet hygroscopic crystals, crystalline | [Water Solubility ]
soluble H2O, alcohol, ether, acetone, pyridine; insoluble CHCl3, toluene [MER06] |
| Hazard Information | Back Directory | [Chemical Properties]
cub red crystal(s); deliquescent; decomposes on heating [MER06] [CRC10] | [Preparation]
Though the simple cyanide Fe(CN)3 is unknown, the
thiocyanate is prepared as dark violet crystals by reaction of thiocyanogen with iron or by
extracting a mixture of potassium thiocyanate and an iron(III) salt with ether, followed by
evaporation of the ether. It is very soluble in water from which it crystallizes as the red
trihydrate Fe(SCN)3. 3H2O. The blood-red colour developed when dilute solutions of
iron(III) salts and thiocyanate ions are mixed is due largely to the [Fe(SCN(H2O)5]2+ ion;
this reaction finds extensive use in the qualitative and quantitative determination of iron. |
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