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SODIUM CHLORIDE

Sodium Chloride

Chemical Formula:NaCl

HS Code:25010090

Description

Sodium chloride is also known as salt (though sea salt also contains other chemical salts), is an ionic compound with the chemical formula NaCl, representing a 1:1 ratio of sodium and chloride ions. With molar masses of 22.99 and 35.45 g/mol respectively, 100 g of NaCl contains 39.34 g Na and 60.66 g Cl. Sodium chloride is the salt most responsible for the salinity of seawater and of the extracellular fluid of many multicellular organisms. In its edible form of table salt, it is commonly used as a condiment and food preservative. Large quantities of sodium chloride are used in many industrial processes, and it is a major source of sodium and chlorine compounds used as feedstocks for further chemical syntheses. A second major application of sodium chloride is de-icing of roadways in sub-freezing weather.
 
Properties
Chemical formula: NaCl
Molar mass: 58.443 g/mol
Appearance: Colorless cubic crystals
Odor: Odorless
Density: 2.17 g/cm3
Melting point: 800.7 °C (1,473.3 °F; 1,073.8 K)
Boiling point: 1,465°C (2,669 °F; 1,738 K)
Solubility in water: 360 g/L
Solubility in ammonia : 21.5 g/L
Solubility in methanol: 14.9 g/L
Magnetic susceptibility (χ): −30.2·10−6 cm3/mol
Refractive index : 1.5441 (at 589 nm)
 

Uses

Sodium chloride has been used to flavor and preserve foods for thousands of years. As a preservative, salt helps to prevent spoilage and helps to keep foods like ready-to-eat meats and cheeses safe to eat. Salt is also used in fermenting processes for foods like sauerkraut, pickles and kefir.
 
Sodium chloride also has many other uses beyond seasoning and preserving foods. Hospitals use an intravenous sodium chloride solution to supply water and salt to patients to alleviate dehydration. Icy sidewalks and roadways are often de-iced by rock salt, the same type of salt that is used on your dinner table, before it is ground down to finer crystals. Large quantities of sodium chloride are also used in industrial manufacturing settings to help make a range of products, from plastic, paper, rubber and glass, to chlorine, polyester, household bleach, soaps, detergents and dyes.

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