Glacial acetic acid is an organic compound. Pure acetic acid is frozen below the melting point and turns ice-like crystal.
| Product name | Acetic acid |
|---|---|
| Alias | Glacial acetic acid; Acetic Acid Glacial BP; Natural Acetic Acid; Acetic Acid Glacial; GAA; Acetic Acid, Glacial; Ethanoic acid; Acetasol |
| English name | Aceticacid |
| Molecular formula | C2H4O2 ;CH3COOH |
| Molecular weight | 60.05 |
| Density | 1.0492 |
| Boiling point | 117.9℃ |
| Flash point | 39℃ |
| Appearance and properties | Pure acetic acid is frozen below the melting point and turns ice-like crystal |
| CAS RN | 64-19-7 |
Acetic acid content is 30%, it is liquid at normal temperature. Glacial acetic acid content is above 98%, it is liquid at temperature above 14℃ and solid at temperature below 14℃.
Freezing point of glacial acetic acid is 16.6℃, and it is solid below 16℃.
Standard This standard is suitable industrial glacial acetic acid manufactured with acetylene, ethyl alcohol and ethylene.
Industrial glacial acetic acid should meet the following requirements
Index
Superir First grade Qualified
Transparent liquid without suspended matters and mechanical impurities.
Chroma, (Pt-Co) ≤ 10 20 30
Acetic acid content, % ≥ 99.5 99.098.0
Formic acid content, % ≤ 0.10 0.150.35
Acetaldehyde content, % ≤ 0.05 0.050.10
Evaporation residue, % ≤ 0.01 0.02 0.03
Iron content, % ≤ 0.0001 0.0002 0.0004
Heavy metal (Pb), % ≤ 0.0001 0.0002 0.0004
Potassium permanganate oxidation time,min ≥ 20 5 -
Acetic acid is one of the important organic acids and it is mainly used in the synthesis of vinyl acetate, cellulose acetate fiber, acetic oxide, acetic ester, metal acetate and other products. It also functions as an important raw material for pharmacy, dyestuff, pesticide and other organic synthesis. In addition, acetic acid is alos used in cellulose acetate, textile printing and dyeing, rubber, plastic, solvent of dyestuff, and other fields.
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