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sodium carbonate anhydrous

sodium carbonate anhydrous is a powdered, hygroscopic mineral that dissolves to form a solution of carbonic acid. This powdered, anhydrous form is used in a variety of laboratory and manufacturing applications to reduce the hardness of water.

It is also used to stabilize and adjust the pH of solutions and to lower the melting point of glass, soap, paper and other materials. It is a reagent for chromatography, capillary electrophoresis and enzyme catalysis. It is used as a buffer in ELISA as well as in isolation of cell membrane proteins, hydrophobic proteins, and other proteins from their complexes.


sodium carbonate anhydrous is a water insoluble mineral that can easily be converted to other sodium compounds by heating (calcination). It also gives off carbon dioxide when treated with dilute acids.

Contact may cause corrosive effects to the eyes, skin and respiratory tract. Symptoms include conjuctival edema, corneal destruction and difficulty breathing. Using a vaporizer or other means to prevent exposure may be beneficial.

Exposure to high concentrations of this compound or repeated exposure can lead to sensitization. Symptoms include burning, itching and irritation of the skin.

This reagent is widely used in biochemistry and molecular biology research as a buffer component in chromatography, capillary electrophoresis, and enzyme catalysis. sodium carbonate anhydrous is also an ideal source for acid-base titrations, and is often balanced with sodium bicarbonate as part of a redox pair.

sodium carbonate anhydrous is available in many standard and custom sizes, typically in bulk or powder form. It is stocked in both NF/EP and JP fine granular forms to meet most dilution and chemical blending requirements.

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