Formic Acid

The simplest carboxylic acid, containing a single carbon. Occurs naturally in various sources including the venom of bee and ant stings, and is a useful organic synthetic reagent. Principally used as a preservative and antibacterial agent in livestock feed. It is also significantly used in the production of leather, including tanning, and in dyeing and finishing textiles.


Molar Weight46.025 g/mol
Melting Point8,4 °C
Boiling Point100,8 °C
Flash Point69 °C
FormsLiquid (clear)

Uses and Applications

Key applications

  • Fragrances
  • Fabric, textile and leather products
  • Leather processing
  • Cleaning products
  • Preservative
  • Etching & Engraving
  • Oil and Gas
  • pH control
  • Agricultural
  • Laundry products
  • Household industrial
  • Animal feed


  • Pulp & Paper
  • Pharma
  • Oil & Gas
  • Cleaning
  • Coatings & Construction
  • Polymers
  • Cosmetics
  • Water Treatment
  • Food
  • Animal Nutrition
  • Agrobusiness
  • Chemical Processing
  • Rubber

Synonyms: Carbonous acid, Formylic acid, Hydrogen carboxylic acid, Hydroxy(oxo)methane, Metacarbonoic acid, Methanoic acid, Oxocarbinic acid, Oxomethanol

Chemical Formula: CH2O2

CAS Number: 64-18-6