Magnesium chloride is also used for a variety of other applications like the manufacture of textiles, paper, fireproofing agents, cements and refrigeration brine, and dust and erosion control. Also, presence of magnesium chloride in water decreases its freezing point making magnesium chloride a perfect anti-icer. It can react with halogens to make calcium halides like calcium chloride with chlorine. Calcium compounds Edit. Calcium forms chemical compounds in the +2 oxidation state. Calcium compounds are colorless. Most calcium compounds are not toxic. They are needed in the human body, actually. They are unreactive as far as calcium ions go.
Calcium chloride in food is used to prevent processed vegetables and fruits from softening over time. According to the U.S. National Library of Medicine, at room temperature, calcium chloride is a solid that is white or off-white in color.