Sodium acetate 0AQ
General Product Information
| Article | Sodium acetate 0AQ |
| Synonyms | E262(i), Sodium acetate anhydrate, Sodium ethanoate |
| CAS No. | 127-09-3 |
| EEG No. | – |
| EINECS No. | 204-823-8 |
| IMO | – |
| Tariff Code | 29152900 |
| UN No. | – |
| VLG/ADR | – |
Description
Sodium acetate 0AQ is the anhydrous sodium salt of acetic acid (ethanoic acid). It is a white, crystalline powder that is highly soluble in water and can have a slight vinegar-like odor. It is used in various industrial applications, including its role as a pH buffer, reagent and heat storage material. The abbreviation “0AQ” refers to the absence of crystal water (0 aqua molecules).
Also available:
Sodium acetate 0AQ (Technical Grade),
Sodium acetate 3AQ (Food Grade),
Sodium acetate 3AQ (Technical Grade)
Characteristics
- Odor: Slightly vinegary.
- Hygroscopic: Yes.
- Color: White.
- Grade: Food.
- Solubility: Highly soluble in water.
- Flavor: Salty-ashy.
- Shape: Crystalline powder.
Physical & Chemical Properties
| Chemical Structure | C2H3NaO2 |
| Molar Weight | 82.03 g/mol |
| Melting Point | Approx. 324 °C. |
| Boiling Point | – |
| Density | Approx. 1.53 g/cm³. |
| Refractive Index | – |
| pH | Approx. 8-9 (on 1% solution). |
Interessing Links
- Codex Alimentarius (FAO/WHO) – Guidelines and standards for food additives and ingredients.
- European Chemicals Agency (ECHA) – For chemical information and regulations.
- European Food Information Council (EFIC)
- European Food Safety Authority (EFSA) – Information on the safety and uses of food additives and ingredients.
- PubChem – Sodium Acetate – Chemical information by the National Library of Medicine of the National Center for Biotechnology Information (NIH-NCBI).
- Wikipedia – Sodium acetate
Applications
Sodium acetate 0AQ is applied in various ways, for instance:
1. Food Industry
As a preservative and flavor enhancer in hydrated form only as food additive E262.
2. Laboratories
As an analytical reagent and pH buffer.
3. Water Treatment
As a carbon source for denitrification processes.
4. Textile Industry
To regulate pH during fabric dyeing.
5. Industrial Applications
As a buffer in various chemical processes and at the production of dyes and pharmaceuticals.
6. Heat Storage
In hand warmers and heat pads as a component in supersaturation solutions.