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Sodium Acetate powder (anhydrous) as well as a crystal (trihydrate). Sodium Acetate Anhydrous is soluble in water.
Sodium acetate (CH3COONa, also written NaOAc) is the sodium salt of acetic acid: a white, hygroscopic solid that dissolves readily in water. This product is the anhydrous powder. The crystal trihydrate and laboratory grades are listed separately: sodium acetate trihydrate, anhydrous AR, anhydrous LR and trihydrate AR.
Where it is used: sodium acetate with acetic acid makes the standard pH 4–6 buffer in laboratories; textile dye houses use it to neutralise sulfuric acid waste streams; tanneries use it as a pickling agent in chrome tanning; food plants use it for pH control and shelf life. The trihydrate melts at about 58 °C and is the salt inside reusable heat packs. For dye levelling, see Glauber's salt.
| Formula | CH3COONa (C2H3NaO2) |
|---|---|
| Molar mass | 82.03 g/mol (anhydrous); 136.08 g/mol (trihydrate) |
| CAS number | 127-09-3 (anhydrous); 6131-90-4 (trihydrate) |
| Form supplied | White powder or granules, anhydrous |
| Other names | NaOAc, sodium ethanoate, acetic acid sodium salt |
CH3COONa is the formula of sodium acetate, the salt formed when acetic acid is neutralised with sodium hydroxide.
It is the salt of a weak acid and a strong base, so its water solution is mildly alkaline. Mixed with acetic acid it forms a buffer that holds pH between about 4 and 6.
Both give the same acetate. The trihydrate carries three molecules of water, so you need about 1.66 kg of trihydrate to replace 1 kg of anhydrous. Choose anhydrous for dry blends and to save freight; choose trihydrate for heat packs or where a method specifies it.
Sodium Acetate is a salt of a strong base and a weak acid providing the application to be used as buffers in petroleum production and drilling muds, in food preservations, and in electroplating. It is used as a retardant in elastomer industry. It is used in tanning to effect a more even and rapid penetration of the tan in the leather industry. It is also used as a mordant in dyeing processes. Sodium Acetate is an intermediate to manufacture organic compounds like dyes, pigments, pharmaceuticals, cinnamic acid. It is also used in soap industry and purification of glucose. This product has multi appliacation some as below -
Sodium acetate is used in the textile industry to neutralise sulfuric acid waste streams.
Sodium Acetate Anhydrous
Stability : All other grades have 2 years stability. Physical stability and appearance may change before the end of shelf-life if not stored single-stacked in closed original ackaging, dry and at room temperature.
Handling : Product has no classification. Always check the Safety Data Sheet and label before using the product.
Stocked at our warehouse in Barka, South Al Batinah, and delivered to Muscat, Sohar, Salalah, Duqm, Sur, Nizwa and other locations across Oman.
