Netica Solution

Iron chloride redirects here. For Iron(II) chloride, see Iron(II) chloride.
Iron(III) chloride

IUPAC name
Iron(III) chloride
Other names
ferric chloride
iron trichloride
molysite (mineral)
Flores martis
Identifiers
CAS number
,
hexahydrate: 
RTECS number
LJ9100000
Properties
Molecular formula
FeCl3
Molar mass
162.2 g·mol-1
hexahydrate: 270.3 g·mol−1
Appearance
green-black by reflected light; purple-red by transmitted light
hexahydrate: yellow solid
aq. solutions: brown
Density
2.80 g·cm−3
40% solution: 1.4 g·ml−1
Melting point
306 °C, 579 K, 583 °F
Boiling point
315 °C, 588 K, 599 °F (partial decomposition to FeCl2+Cl2)
Solubility in water
92 g/100 ml (20 °C)
Solubility in acetone
Methanol
Ethanol
Diethyl ether
63 g/100 ml (18 °C)
highly soluble
83 g/100 ml
highly soluble
Viscosity
40% solution: 12 cP
Structure
Crystal [...]