Description

Table salt is one of the most common household chemicals. Table salt is *7 percent to *9 percent sodium chloride, NaCl. Pure sodium chloride is an ionic crystal solid. However, other compounds are present in table salt, depending on its source or additives that may be included before packaging. In its pure form, sodium chloride is white. Table salt may be white or may have a faint purple or blue tinge from impurities. Sea salt may be dull brown or gray. Un-purified rock salt may occur in any color, depending on its chemistry.