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Ammonium Formate

Other Names:

Formic acid ammonium salt

General Information:



CAS Number: 540-69-2

Molecular Weight: 63.06 g/mol

Appearance: Colorless solid

Chemical Formula: NH4HCO2

Melting Point: 116 C

Ammonium formate (NH4HCO2) can effectively function as a hydrogen transfer agent in the presence of Pd/C for the reduction of alkenes.

Common Uses:

Reagent for the catalytic transfer hydrogenation of alkenes to alkanes

Procedure excerpt:

A solution of the SM (2.5 g, 7.1 mmol), ammonium formate (2.6 g, 43 mmol), 10% Pd/C (379 mg, 0.3 mmol) in THF (10 mL) and MeOH (30 mL) was refluxed . . .

[full procedure]


Ammonium formate is classified as an irritant.


1) Patent Reference: WO2015144799, page 181, (18.8 MB)

2) Wikipedia: Ammonium formate (link)

3) Ammonium formate (link)

4) A10699 Ammonium formate, 97% (link)