Iron

General Information:

Structure:

CAS Number: 7439-89-6

Molecular Weight: 55.85 g/mol

Appearance: Gray powder

Iron powder serves as a catalyst in a wide variety of reactions.

Common Uses:

Reagent for the reduction of nitro groups to amines

Procedure excerpt:

To a solution of the SM (689 mg, 2.82 mmol) in EtOH (15 mL) was added AcOH (7.5 mL) and Fe (630 mg, 11.29 mmol). The resulting mixture was brought to 100 C and . . .

[full procedure]

Safety:

Iron may cause respiratory tract or eye irritation. Iron presents a fire risk when the powder is finely dispersed in air and exposed to a source of ignition.

References:

1) Patent Reference: WO2011014535, page 39, (17.3 MB)

2) www.iron-powders.com

3) www.sigmaaldrich.com: Iron powder (link)