Formic Acid, Anhydrous

Formic Acid, Anhydrous CH₂O₂ = 46.03

Analytical reagent grade formic acid of commerce containing not less than 98.0% w/w of CH₂O₂.

A colourless, corrosive liquid; , about 1.22.

Assay Weigh accurately a conical flask containing 10 mL of water, quickly add about 1 mL of the reagent and weigh again. Add 50 mL of water and titrate with 1m sodium hydroxide VS using 0.5 mL of phenolphthalein solution as indicator. Each mL of 1m sodium hydroxide VS is equivalent to 46.03 mg of CH₂O₂.