Magnesium chloride itself is non-toxic and a small amount of it can cause mild diarrhea, so it is sometimes used to prevent constipation. Many stomach medicines for preventing gastric acid contain magnesium (mostly basic carbonate), which will react with gastric acid to produce magnesium chloride.

However, high concentration of magnesium chloride will lead to salting-out and solidification in protein.

High concentration of magnesium chloride will enter blood vessels through cell osmosis, which will lead to salting-out of protein in blood, which will lead to blood coagulation and death.

At the same time, bittern has a strong stimulating effect on skin and mucous membrane, and has an inhibitory effect on central nervous system. After taking this product by mistake, it has a strong corrosive effect on oral cavity, esophagus and gastric mucosa, resulting in nausea and vomiting, dry mouth, stomachache, burning sensation, abdominal distension, diarrhea, dizziness, headache and rash. In severe cases, breathing stops, shock occurs, and even death occurs.

Protein salting out:

After adding some inorganic salt solutions to some protein solutions, the solubility of protein can be reduced, and protein can be condensed and precipitated from the solution. This effect is called salting out, which is a physical change and can be recovered. Adding some heavy metal salts to some protein solutions can change the properties of protein and condense it, and then precipitate it from the solution. This effect is called denaturation, and the property change is a chemical reaction that cannot be recovered.

Protein is precipitated by using high concentration neutral salt; The solubility (S) of protein is different, and the salt concentration used for precipitation is different.