iron(III) chloride, ferric chloride, iron trichloride, FeCl3, molysite
2D Structure
Physical Properties
Density
2.9 g/mL at 25°C
Boiling Point
316.0°C
Melting Point
306.0°C
Flash Point
None°C
Vapor Pressure
0.0 kPa at 20°C
Refractive Index
nD = 1.54
Dielectric Constant
ε = 6.0
Safety & GHS Classification
GHS05Irritant
H302: Harmful if swallowed
H314: Causes severe skin burns and eye damage
H335: May cause respiratory irritation
Storage: Store in a cool, dry area. Highly hygroscopic — absorbs moisture and forms corrosive HCl. Keep container tightly sealed. Store away from strong bases, alkali metals, and organic materials. Use in ventilated area.
Material Compatibility Matrix
Plastics
Material
Rating
PTFE
Excellent
PVC
Excellent
PE
Excellent
PP
Excellent
PEEK
Excellent
PVDF
Excellent
Rubbers
Material
Rating
Viton
Excellent
NBR
Good
EPDM
Good
Silicone
Good
FKM
Excellent
Metals
Material
Rating
Stainless 316
Excellent
Aluminum
Severe Effect
Copper
Fair
Brass
Fair
Applications
Water and wastewater treatment (coagulant/flocculant)
PCB etching solution (electronics manufacturing)
Laboratory reagent for organic synthesis (Friedel-Crafts catalyst)