Product Introduction

Magnesium sulfate heptahydrate, also known as sulfur bitter, bitter salt, laxative salt, laxative salt, chemical formula for MgSO4-7H2O), is white or colorless needle or oblique columnar crystals, odorless, cool and slightly bitter. Decomposed by heat, gradually remove the water of crystallization into anhydrous magnesium sulfate. Mainly used in fertilizer, tanning, printing and dyeing, catalyst, papermaking, plastics, porcelain, pigments, matches, explosives and fireproof materials, can be used for printing and dyeing thin cotton cloth, silk, as cotton silk weighting agent and filler for kapok products, used as laxative salt in medicine.

Appearance and properties: belongs to rhombohedral crystal system, tetragonal granular or rhombic crystals, colorless, transparent, the aggregate is white, rose or green glassy luster. The shape is fibrous, needle-like, granular or powder. Odorless, bitter taste.

Solubility: soluble in water, slightly soluble in ethanol and glycerol.

Main Uses

1.Foodstuffs

As food fortifier. China's regulations can be used in dairy products, the use of 3-7g/kg; in drinking liquids and milk beverages, the use of 1.4-2.8g/kg; in mineral beverages, the maximum use of 0.05g/kg.

2.Industry

It is mostly used with calcium salt in brewer's water, adding 4.4g/100l of water can increase the hardness by 1 degree, and if used more often, it produces bitter taste and hydrogen sulfide odor.

Used in tanning, explosives, paper making, porcelain, fertilizer, and medical oral laxatives, mineral water additives.

3.Agriculture

Magnesium sulfate is used as a fertilizer in agriculture because magnesium is one of the main components of chlorophyll. It is often used for potted plants or magnesium-deficient crops such as tomatoes, potatoes, and roses. The advantage of magnesium sulfate over other fertilizers is that it is more soluble. Magnesium sulfate is also used as a bath salt.