Sodium acetate anhydrous is a sodium salt of acetic acid, with the chemical formula C₂H₃NaO₂. It appears as a white, crystalline powder and is highly soluble in water. It is also a lab reagent available in Labtex Bangladesh at the reasonable price. \n

Chemical Properties

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• Chemical Formula: C₂H₃NaO₂
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• Molecular Weight: 82.03 g/mol
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• Structure: Consists of an acetate ion (CH₃COO⁻) and a sodium ion (Na⁺).
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• Appearance: White crystalline solid or powder.
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• Density: Approximately 1.528 g/cm³.
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• pH: Typically around 7 when dissolved in water.
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Physical Properties

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• Melting Point: 323 °C (613 °F), decomposes before boiling.
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• Solubility: Soluble in water (1 g in about 1 mL at 20 °C), but insoluble in organic solvents like ethanol.
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General Uses of Sodium Acetate Anhydrous

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1. Buffer Solutions: \n
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   • Sodium acetate is commonly used in buffer solutions in biochemical applications to maintain pH levels in biological experiments.
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2. Food Industry: \n
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   • Acts as a preservative and flavor enhancer, particularly in snacks and processed foods. It is often labeled as E262.
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3. Heating Pads: \n
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   • In reusable heat packs, sodium acetate can be supercooled in a liquid state and releases heat upon crystallization when a metal disc is flexed.
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4. Pharmaceuticals: \n
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   • Used in various medicinal formulations, including as a saline laxative.
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5. Chemical Synthesis: \n
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   • Serves as a reagent in organic synthesis and as a catalyst in certain reactions.
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Synthesis

\nSodium acetate can be synthesized through various methods, including: \n

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• Neutralization Reaction: \n
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  • Mixing acetic acid with sodium hydroxide or sodium bicarbonate produces sodium acetate.
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  • Reaction: CH3COOH+NaOH→CH3COONa+H2O\text{CH}_3\text{COOH} + \text{NaOH} \rightarrow \text{CH}_3\text{COONa} + \text{H}_2\text{O}CH3​COOH+NaOH→CH3​COONa+H2​O
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Safety and Handling of Sodium Acetate

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• Toxicity: Generally recognized as safe (GRAS) when used in food and pharmaceuticals. However, excessive consumption can lead to gastrointestinal disturbances.
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• Handling: Should be handled with gloves and eye protection to avoid irritation, especially in powder form.
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• Storage: Store in a cool, dry place in a tightly closed container to prevent moisture absorption.
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Environmental Impact

\nC₂H₃NaO₂ is biodegradable and considered environmentally friendly lab reagent, but large quantities should be managed to avoid potential water contamination. \n \n

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• Sodium Acetate Anhydrous
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• Pack Size: 500gm
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• Brand: Merck, India
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