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Molar mass of Formic acid

The molecular formula of Formic acid is CH2O2, giving a molar mass of 46.025 g/mol.

Molar mass
46.025g/mol

Computed from the formula with the IUPAC conventional atomic weights (abridged, 2021 edition).

Formula
CH2O2
Category
Acids & Bases
Atoms per molecule
5

Formic acid conversions

Mass ↔ amount and solution conversions derived from the stored molar mass of 46.025 g/mol.

1 mmol46.025 mg
1 g21.7273 mmol
1 M46.025 g/L

About Formic acid

The simplest carboxylic acid, named for the ant venom in which it was first identified. It is the standard quench for cyanide poisoning, a common HPLC mobile-phase additive, and the volatile acid of silage fermentation.

Related compounds

Other entries in Acids & Bases.

Formic acid — FAQ