Inorganic Salt

To produce lead metal and its compounds. It is also used for the manufacture of batteries, white pigments, lead danders, and fast drying lacquers. Used as catalyst in oxalic acid production. It is also used in stone impressions, weight gain agents for fibers, and so on.

Titanium tetrachloride is the most important titanium halide. It is an important raw material for the production of titanium sponge and titanium dioxide by chlorination. Pure titanium tetrachloride is a colorless, transparent, dense, non-conductive liquid with pungent acid taste, easy to hydrolyze, and generates white smoke in humid air. It dissolves in water and decomposes at the same time. It also dissolves in alcohol and concentrated hydrochloric acid, and is mutually soluble with chloroform and carbon tetrachloride. Titanium tetrachloride is prepared by mixing titanium dioxide, carbon powder and maltose, then coking, adding chlorine above 600 ℃ or chlorinating with chlorinating agent (such as carbon tetrachloride). Titanium tetrachloride is also an important component of ethylene polymerization catalyst. It is used as smoke agent in military and mordant in dye industry.

White crystalline powder. Very soluble in water, insoluble in alcohol. The relative density is 2.3 ~ 2.4 (apparent density is 1.2 ~ 1.3). Unstable in aqueous solution, hydrolysis can produce hydrogen. Damp decomposes heat and is easy to cause combustion. When heated above 75 ℃, it decomposes, releases heat and emits sulfur dioxide. Spontaneous combustion at 250 ℃. It has strong reducibility. It can be oxidized into sodium bisulfite and sodium bisulfate in air. It is a strong reducing agent. Due to the unstable nature of anhydrous sodium dithionite, a certain amount of stabilizer is usually added to the finished product.

Sodium phosphate is used as reagent products for scientific research and pharmaceutical intermediates.