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Sodium Chloride Physical Characteristics

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Sodium chloride is a white crystalline solid with a salty taste. It is the principal ingredient of common table salt and is used as a food seasoning and preservative, in pharmaceutical preparations, in the manufacture of glass and paper, as a de-icing agent on roads and sidewalks, and as an industrial solvent. It is also the raw material for the manufacture of hydrogen, chlorine and caustic soda (sodium hydroxide).

Molecular structure: NaCl consists of two oppositely charged ions – sodium ‘Na+’ and chloride ‘Cl-‘ arranged in an endlessly repeating giant three dimensional crystal lattice. The ions are held together by strong electrostatic forces of attraction. The ions are arranged in an interpenetrating face-centered cubic (fcc) cation lattice and the local octahedral geometry.

Solubility: Sodium chloride is soluble in water, glycerin and alcohol; it is insoluble in acetone and liquid ammonia. It is a good reagent in organic reactions. Sodium chloride can be electrolysed to produce hydrogen, chlorine and caustic soda by passing an electric current through it in the presence of a strong base such as sodium carbonate (sodium hydroxide).

Take this medicine by mouth with a full glass of water. Follow the directions on your prescription label. Do not take this medicine in larger or smaller amounts or for longer than prescribed by your doctor. Tell your doctor if you have high blood pressure, kidney or liver disease; fluid retention (especially in your legs or feet); heart failure; a history of stomach ulcers; or if you are on a low-salt diet.


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