Iron(III) chloride hexahydrate can be obtained from crystallization of iron(III) chloride from water. Its crystal structure has been studied using three-dimensional single-crystal X-ray-diffraction data. Its crystals have two chloride ions and four water molecules arranged around each ferric ion to form octahedral trans-[FeCl2(OH2)4]+ ions having C2h-2/m symmetry.
Synonyms: Ferric chloride hexahydrate
Molecular Formula: Cl3Fe · 6H2O
Molecular Weight: 270.3
Linear Structural Formula: FeCl3 · 6H2O
MDL Number: MFCD00149712
Purity: >=99%
Melting Point: 37 C (lit.)
Application: Iron(III) chloride hexahydrate may be employed as an oxidant for the following conversions:
•Synthesis of 2-substituted 4(3H)-quinazolinones (yield = 77-93%), via condensation of aldehydes with anthranilamide.
•Oxidation of 1,4-dihydropyridines (1,4-DHPs) to corresponding pyridines.
•Oxidation of 4-isopropyl-1,4-DHP to dealkylated pyridine.
Signal Word: Danger
Hazard statements: H290-H302-H315-H318
Precautionary statements: P280-P305 + P351 + P338
Hazard Codes (Europe) : Xn
Risk Statements (Europe): 22-36-41
Safety Statements (Europe): 26-36
WGK Germany: 1