Sodium fluosilicate is an inorganic substance, which belongs to coordination salt, namely complex salt. The chemical formula is Na2SiF6. It is the fluosilicate f variety with the largest consumption in construction and building materials industry. It is mainly used as enamel t cosolvent, glass opal, acid resistant mastic, acid resistant concrete coagulant and wood preservative. It is used in the manufacture of pesticides in the pesticide industry. Preservative in wood industry; Hygroscopic agent for acid resistant cement. Used as an opacifying agent for glass and enamel; Natural latex T products are used as coagulant, additives in electrodeposited zinc, nickel and iron coatings, and plastic fillers. In addition, it is also used for fluorination treatment of pharmaceutical and drinking water, and sodium fluoride for manufacturing artificial cryolite.
Synonymous | Sodium hexafluorosilicate (2 -); Sodium hexafluorosilicate; Sodium fluosilicide; Sodium hexafluorosilicate |
Molecular Formula | Na2SiF6 |
Molecular Weight | 188.05 |
CAS | 16893-85-9 |
EINECS | 240-934-8 |
Density | 2.679 g/cm³ |
Appearance | Colorless hexagonal crystal |
Water solubility | Soluble in ether and other solvents, insoluble in alcohol. The solubility in acid is greater than that in water |
Application | It is used as insecticide and adhesive, as well as ceramics, glass, enamel, wood anti-corrosion, medicine, etc |
Ion selective electrode method (gb7484-87, water quality, fluoride)
Lime filter paper fluoride ion selective electrode method (GB / t15433-95, air, fluoride)
Hazard characteristics: highly toxic smoke emitted by high heat or contact with acid or acid mist.
Combustion (decomposition) products: hydrogen fluoride, silicon oxide and sodium oxide.
This product belongs to the poison of dangerous chemicals. It can induce vomiting by ingestion, drinking warm water and vomiting.
It shall be sealed and stored in a dry and ventilated place. It shall be stored separately with oxidants and edible chemicals.