What is the Difference Between Sodium Acetate and Sodium Acetate Trihydrate?
🆚 Go to Comparative Table 🆚Sodium acetate and sodium acetate trihydrate are both sodium salts of acetic acid, but they differ in their hydration states. The key difference between the two is:
- Sodium Acetate: This is the anhydrous form of sodium acetate, meaning it does not have any water molecules bound to its structure. It can be synthesized by reacting acetic acid with sodium carbonate or sodium hydroxide. Some of its applications include use as a carbon source for culturing bacteria, in the textile industry to neutralize sulfuric acid waste streams, and in the flavoring industry.
- Sodium Acetate Trihydrate: This is the most common hydrated form of sodium acetate, consisting of three molecules of water bound to the sodium acetate structure. Sodium acetate trihydrate is a granular, crystalline powder with an acetic odor. Its applications are similar to those of sodium acetate, but it is less soluble in water compared to the anhydrous form.
Both substances have a wide range of applications, including use in the textile industry, medical and pharmaceutical industries, leather tanning, and water treatment.
Comparative Table: Sodium Acetate vs Sodium Acetate Trihydrate
Here is a table comparing the differences between sodium acetate and sodium acetate trihydrate:
Feature | Sodium Acetate | Sodium Acetate Trihydrate |
---|---|---|
Chemical Formula | NaCH3COO | NaCH3COO • 3H2O |
Abbreviation | NaOAc | NaOAc • 3H2O |
Form | Anhydrous (no water molecules) | Hydrated (with water molecules) |
Hydration | Non-hydrated | Consists of one sodium acetate molecule and three water molecules |
Common Uses | Culture bacteria, neutralize sulfuric acid waste streams, textile industry | Culture bacteria, neutralize sulfuric acid waste streams, textile industry |
pH | 9-11 (basic) | 9-11 (basic) |
Both sodium acetate and sodium acetate trihydrate are sodium salts of acetic acid. The key difference between them is that sodium acetate is the anhydrous form, while sodium acetate trihydrate is the most common hydrated form of sodium acetate, consisting of one sodium acetate molecule and three water molecules. They have similar applications and are used in bacterial cultures, the textile industry, and to neutralize sulfuric acid waste streams.
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