Formic Acid 95% Reagent

art: N/A
Formula CH2O2
Molar mass 46.025 g/mol
CAS number 64-18-6

Available Options

100mL Formic Acid 95% Reagent$
500mL Formic Acid 95% Reagent$
4*100mL Formic Acid 95% Reagent$
1L Formic Acid 95% Reagent$
4L Formic Acid 95% Reagent$


Formic acid (systematically called methanoic acid) is the simplest carboxylic acid. Formic acid is highly soluble in acetone, benzene, glycerin, toluene. It perfectly mixes with water, diethyl ether, ethanol. It is an important intermediate in chemical synthesis and occurs naturally, most famously in the venom of bee and ant stings. The principal use of formic acid is as a preservative and antibacterial agent in livestock feed.

Molar mass
46.025 g/mol
CAS Number
1.22 g/cm3 at 25°C (77°F)
≥95% (Reagent)
Colourless liquid
Melting point/freezing point
8.2 – 8.4°C (46.8 – 47.1°F) – lit.
Initial boiling point and boiling range
907°C (1,665 °F) – lit.
Initial boiling point and boiling range
100 – 101°C (212 – 214°F) – lit.
Flash point
49.5°C (121.1°F) – closed cup
Vapour pressure
42.00 hPa (31.50 mmHg) at 20°C (68°F); 169.99 hPa (127.50 mmHg) at 50°C (122°F)
Vapour density
1.59 – (Air = 1.0)
Water solubility
Completely miscible
2.2 at 2.2 g/l at 20°C (68°F)
Partition coefficient: n-octanol/wate
log Pow: – 0.54
Upper/lower flammability or explosive limits
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