Supermarkets have it.

Has a salty flavor, easy to deliquesce when containing impurities; soluble in water or glycerin, slightly soluble in ethanol, insoluble in concentrated hydrochloric acid, aqueous solution is neutral. Solubility in water increases slightly with the rise of temperature. When the temperature is lower than 0.15 ℃ can be obtained when the dihydrate NaCl-2H2O.

1, salt in addition to food, can also be used as a preservative, the use of salt is very strong penetration and sterilization effect to preserve food.

2, salt is also widely used in industry and is an important industrial raw material.

Coarse salt nutritional analysis:

1, coarse salt has the effect of sweating, it can discharge the body's waste and excess water, promote the skin's metabolism, but also soften the dirt, replenish the salt and minerals.

2, used to clean wounds can prevent infection.

3, sprinkled on the food can be short-term freshness, can be used to pickle food can also prevent deterioration.

Reference: Baidu Encyclopedia - Coarse Salt