Acetic Acid
Ethanoic Acid, Vinegar Acid
- CAS
- 64-19-7
- EC
- 200-580-7
- Food Code
- E260
- Sectors
- Food & Nutrition, Plastics & Polymers
Acetic Acid (CAS 64-19-7) is a fundamental organic acid, a colorless solution whose concentrated form is known as glacial acetic acid, serving as an acidulant, solvent and pH adjuster in food formulations and as a feedstock for vinyl acetate monomer, PTA and acetic anhydride production.
Typical Properties
| Molecular formula | C2H4O2 |
|---|---|
| Molecular weight | 60.05 g/mol |
| Form | Solution |
| Color | colorless |
| Odor | Strong, pungent, vinegar-like odor detectable at 0.2 to 1.0 ppm |
| Melting point | 16.6 °C |
| Boiling point | 117.9 °C |
| Density | 1.0446 g/cm³ @ Temp: 25 °C |
| Water solubility | miscible |
| Flash point | 104 °F |
| pH | 2.5 (50g/l, H2O, 20°C) |
| GHS signal word | Danger · Flammable, Corrosive, Irritant / harmful, Health hazard |
| HS code | 29152100 |
| Grades available | Food Grade, Technical Grade |
Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.
Acetic Acid
Applications
Key feedstock for vinyl acetate monomer, PTA, and acetic anhydride production. Also applied as an acidulant, solvent, and pH adjuster in food and industrial formulations.
Safety & Risks
Corrosive and volatile at high concentrations; vapors may irritate eyes and airways. Handle in corrosion-resistant equipment with ventilation.
Packaging
Supplied in HDPE drums, IBCs, or bulk tanks. Store in cool, dry areas away from oxidizing agents.