Glacial Acetic Acid
Glacial acetic acid freezes at 16.6 degrees C, so it can solidify in an unheated drum, and it is corrosive in concentrated form.
Key Specifications
| CAS number | 64-19-7 |
|---|---|
| E number | E260 |
| Concentration | 99.5 percent |
| Freezing point | 16.6 degrees C |
| Form | Corrosive liquid |
| Packaging | 200 kg drum / IBC |
Concentrated acid needs handling discipline
Glacial acetic acid freezes at 16.6 degrees C, so it can solidify in an unheated drum, and it is corrosive in concentrated form. Dilution and dosing equipment must be specified for it, not improvised.
Why use it instead of vinegar
It delivers the same acetic acid at a fraction of the volume and freight cost, without the colour and solids that vinegar carries. Products labelled as containing vinegar must use vinegar, however, not the diluted acid.
Typical Applications
- Pickling and sauces — Diluted to 4-8 percent acetic acid for pickling brines.
- pH adjustment — Dosed at 0.05-0.3 percent in sauces and dressings.
Frequently Asked Questions
Is it the same as vinegar?
Chemically the acid is identical, but vinegar carries the fermentation solids and must be declared as vinegar.
How should it be stored?
Above 17 degrees C in corrosion-resistant vessels, away from oxidisers.
What PPE is required?
Chemical goggles, acid-resistant gloves and face protection when handling concentrate.
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