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Other Names:



Methyl aldehyde

General Information:


CAS Number: 50-00-0

Molecular Weight: 30.03 g/mol

Appearance: Colorless gas (at room temperature)

Formaldehyde is the simplest aldehyde.

Common Uses:

Reagent for reductive methylation (reductive amination) of amines

Reagent in Pictet-Spengler reactions

Reagent in the hydroxymethylation of Grignard reagents to give primary alcohols


Formaldehyde is a known carcinogen and is highly toxic to all animals.


1) Patent Reference: WO2016011390, page 65, (20.2 MB)

2) Patent Reference: WO2016014463, page 91, (6.7 MB)

3) Coates, R. M.; Denmark, S. E.; Handbook of Reagents for Organic Synthesis, Reagents, Auxiliaries, and Catalysts for C-C Bond Formation

4) Wikipedia: Formaldehyde (link)

5) Formaldehyde solution - 37 wt. % in H2O (link)