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Sodium chloride / ˌ s oʊ d i ə m ˈ k l ɔːr aɪ d /, [8] commonly known as edible salt, is an ionic compound with the chemical formula NaCl, representing a 1:1 ratio of sodium and chlorine ions. It is transparent or translucent, brittle, hygroscopic , and occurs as the mineral halite .
Toggle the table of contents. ... This page provides supplementary chemical data on sodium chloride. ... Structure and properties Index of refraction, n D: 1.5442
SALT IS A mineral composed of sodium chloride, used in foods for flavor, baking, ... “Larger granules are less salty, similar to table salt, which has tinier granules. Smaller granules offer a ...
From cold solutions, salt crystallises as the dihydrate NaCl·2H 2 O. Solutions of sodium chloride have very different properties from those of pure water; the freezing point is −21.12 °C (−6.02 °F) for 23.31 wt% of salt, and the boiling point of saturated salt solution is around 108.7 °C (227.7 °F).
All salts are composed primarily of sodium chloride. Salt comes from two sources, the sea or the earth. Most salts are sea salts, which are obtained through evaporation of sea water.
Salts have long had a wide variety of uses and applications. Many minerals are ionic. [82] Humans have processed common salt (sodium chloride) for over 8000 years, using it first as a food seasoning and preservative, and now also in manufacturing, agriculture, water conditioning, for de-icing roads, and many other uses. [83]