Acetic Acid 99.7% (Glacial Acetic Acid)
Acetic Acid 99.7%, commonly known as glacial acetic acid, is a highly concentrated form of acetic acid where water content is minimal (<0.3%). It is a colorless, corrosive liquid with a pungent vinegar-like odor and is widely used in chemical synthesis, food production, textiles, and industrial processing.
CAS Number: 64-19-7
Chemical Name: Acetic Acid
Other Names: Glacial Acetic Acid, Ethanoic Acid
Chemical Formula: CH₃COOH
Molecular Weight: 60.05 g/mol
Purity: 99.7% min
Appearance: Clear, colorless liquid
Odor: Strong, vinegar-like
Solubility: Miscible with water, alcohol, ether
Boiling Point: 118°C
Melting Point: 16.6°C (freezes to a solid at low temp)
Density: 1.049 g/cm³ at 20°C
Flash Point: 39°C (closed cup)
pH (1% solution): ~2.4
Application in areas:
- Chemical Manufacturing
- Used to produce acetic anhydride, acetate esters, vinyl acetate monomer (VAM), and other intermediates
- Textile Industry
- Used in dyeing, finishing, and fabric softening processes
- Food Industry (under controlled purity)
- Used as a food additive (E260) in vinegar, pickling, and flavoring
- Pharmaceuticals
- As a reagent in drug manufacturing and lab synthesis
- Cleaning and Descaling Agents
- Used in descalers, cleaning solutions, and household products
Safety & Handling:
- HazardClass: Corrosive and Flammable Liquid (Class 8 / 3)
- UN Number: UN2789
GHS Classification:
- H226: Flammable liquid and vapor
- H314: Causes severe skin burns and eye damage
- H332: Harmful if inhaled
PPE Requirements:
- Acid-resistant gloves (nitrile or neoprene)
- Chemical splash goggles / face shield
- Lab coat or acid-resistant apron
- Proper ventilation / fume hood
Storage Guidelines:
- Store in cool, dry, well-ventilated area
- Use corrosion-resistant containers (e.g., HDPE, stainless steel)
- Keep away from oxidizing agents, strong bases, and metals