Learn the density, physical and chemical properties, and main industrial applications of glacial acetic acid (GAA, CH₃COOH, CAS 64-19-7). Discover why Tianjin Gnee Biotech Co., Ltd. is a trusted supplier of high-purity acetic acid for chemical, pharmaceutical, and industrial use.
Introduction to Acetic Acid (CH₃COOH, GAA CAS 64-19-7)
Acetic acid (CAS 64-19-7), also known as glacial acetic acid (GAA) when in high-purity form, is a widely used organic acid in chemical manufacturing, pharmaceuticals, food processing, and laboratory applications. Tianjin Gnee Biotech Co., Ltd. is a reliable glacial acetic acid supplier, providing CH₃COOH for industrial and laboratory use.
Density of Acetic Acid (CAS 64-19-7) Liquid
Under standard conditions, the density of liquid acetic acid (CH₃COOH) is:
| Temperature | Density (g/mL) |
|---|---|
| 20 °C | ≈ 1.049 g/mL |
| 25 °C | ≈ 1.044 g/mL |
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Physical Properties of Acetic Acid (GAA CAS 64-19-7)
At room temperature, acetic acid (CH₃COOH) is a colorless liquid with a strong, pungent acidic odor. Key physical properties include:
- Melting point: 16.6°C
- Boiling point: 117.9°C
- Relative density: 1.05
- Flash point: 39°C
- Explosive limit: 4%–17% by volume
Below its melting point, pure GAA solidifies into ice-like crystals, hence the name "glacial acetic acid." Acetic acid is highly soluble in water and ethanol, forming weakly acidic solutions. Its derivatives, acetates, are also water-soluble and form alkaline solutions.
Chemical Properties of Acetic Acid (GAA CAS 64-19-7)
- Acidity: Weak monoprotonic acid, pKa ≈ 4.8
- Dimers: Forms hydrogen-bonded dimers in crystal and vapor phases
- Solvent properties: Hydrophilic polar solvent, miscible with water, ethanol, chloroform, hexane, and other polar/nonpolar solvents
- Industrial acetic acid reactions: Corrosive to metals (Fe, Mg, Zn), reacts to form hydrogen gas and metal acetates; can form esters, amides, acyl chlorides, and acid anhydrides
high-purity acetic acid specifications
| Test ltem | Specification |
| Fusing point | 16.6 ºC |
| Boiling point | 117.9 ºC |
| Density | 1.05 g/cm3 |
| Flash point | 39 ° C (CC) |
| Refractive index | 1.371 (20 ° C) |
| Saturated vapor pressure | 1.52kPa (20ºC) |
| Critical temperature | 321.6 ºC |
| Critical pressure | 5.78 MPa |
| Ignition temperature | 426 ºC |
| Upper explosion limit (V/V) | 16.0% |
| Lower explosive limit (V/V) | 5.4% |
Main Uses of Glacial Acetic Acid (GAA CAS 64-19-7)
Food Industry:
utilized in the manufacturing of vinegar
Food flavoring and preservative
Textile Industry:
Methods of dyeing
Treatment of the fabric
Pharmaceuticals:
utilized in the production of aspirin, antibiotics, and other medications.
An ingredient in a number of chemical syntheses
Chemical Industry:
precursor for the synthesis of esters, vinyl acetate monomer (VAM), acetic anhydride, and other compounds
Agriculture:
included into herbicides and insecticides
Why Choose Tianjin Gnee Biotech Co., Ltd. as Your Acetic Acid Supplier?
Tianjin Gnee Biotech Co., Ltd. is a leading supplier of glacial acetic acid (CH₃COOH, GAA CAS 64-19-7), offering high-purity products for industrial, laboratory, pharmaceutical, and food applications.
Advantages:
- ISO9001 / ISO14001 / GMP certified
- Own manufacturing facility with full hazardous chemical permits
- COA / MSDS / TDS / SGS testing support
- Compliant with EU REACH regulations
- Stable exports to Southeast Asia, South America, Middle East, and Africa
- Bulk supply 20–200 MT per batch; annual contracts supported
