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When sourcing Sodium Carbonate (Na₂CO₃) through a scientific supplier like Ibex Sciences, a 250 Gram container represents a standard bulk laboratory or technical pack size.
Commonly known as soda ash in its industrial form or washing soda when hydrated, laboratory-grade sodium carbonate is a versatile white, odorless, water-soluble powder. It acts as a reliable moderate base and buffering agent in a wide array of scientific environments. [1, 2, 3, 4, 5]
1. Common Specifications & Hydration States
Depending on your specific application, sodium carbonate is typically supplied in one of two forms:
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- Sodium Carbonate Anhydrous: The most common form requested for analytical chemistry (ACS or AR Grade, typically ≥ 99.5% purity). It lacks water molecules, making it ideal for accurate gravimetric calculations. [1, 2, 3, 4]
- Sodium Carbonate Monohydrate (Na₂CO₃ ⋅ H₂O): A stable, crystalline hydrate form often favored when preparing aqueous solutions, as it dissolves easily without generating excessive heat. [1]
2. Primary Laboratory and Industrial Applications
A 2500-gram quantity is highly suitable for routine high-throughput testing, organic preparation, or chemical processing: [1]
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- Analytical Chemistry (Primary Standard): Anhydrous sodium carbonate is widely utilized as a primary standard for calibrating acids in acid-base titrations due to its stability, high purity, and high molecular weight. [1, 2, 3]
- pH Regulation and Buffering: It is used across biochemistry and water-quality labs to neutralize acids, increase pH, or prepare carbonate buffer solutions. [1, 2, 3, 4]
- Organic Synthesis: Acts as a mild base or catalyst in organic chemistry reactions, such as the saponification of fats or the precipitation of organic compounds.
- Material and Geological Analysis: Used as a fluxing agent in high-temperature mineral assays, metallurgy, and glassmaking experiments to lower the melting point of silica. [1, 2, 3]
3. Safety, Hazards, and Handling Guidelines
While sodium carbonate is far less hazardous than heavy metal or oxidizer salts, it requires standard chemical safety controls:
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- Irritant Hazard: It is classified as a serious eye irritant and can cause skin and respiratory tract irritation upon contact with the powder or dust.
- Required PPE: Always wear standard laboratory protective gear—including chemical safety goggles, nitrile gloves, and a lab coat. If pouring or transferring the powder creates airborne dust, perform the task inside a chemical fume hood.
- Storage Environment: Sodium carbonate is highly hygroscopic (absorbs moisture from the air). Keep the 2.5 kg container tightly sealed and store it in a cool, dry, well-ventilated chemical storage area to prevent severe clumping, caking, or degradation. [1, 2, 3]
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