Sodium Fluorosilicate

Sodium fluorosilicate

Sodium fluorosilicate, also known as sodium hexafluorosilicate, is an inorganic compound, which belongs to the complex salt, the chemical formula is Na2SiF6.

Chemical formula: Na2SiF6

Molecular weight: 188.054

CAS number: 16893-85-9

EINECS Accession Number: 240-934-8

Density: 2.68 g/cm3

Water solubility: insoluble in organic solvents such as ethanol and acetone

Density: 1.32 g/cm3

Appearance: colorless hexagonal crystal

Use:

It is used as an opalizing agent, fluxing agent for glass and enamel, wood preservative, agricultural pesticide, hygroscopic agent for acid-resistant cement. It is the raw material for the production of other fluorides. It is used as a coagulant in natural latex products, as an additive in electro-galvanized, nickel and iron ternary coatings, and as a plastic filler. In addition, it is also used in the fluoridation of pharmaceuticals and drinking water, and in the manufacture of artificial cryolite and sodium fluoride.

Safety:

This product is toxic and has a stimulating effect on the respiratory organs. Those who are accidentally poisoned by oral administration will experience severe symptoms of gastrointestinal damage. The lethal dose is 0.4-4g, and the operator must wear the necessary protective equipment to prevent poisoning. The production equipment should be closed and the workshop should be well ventilated. Packed in sacks, woven bags or iron drums lined with polyethylene plastic bags, each bag (drum) has a net weight of 50kg. There should be a clear "drugs" sign on the package. It should be stored in a ventilated, cool and dry warehouse. The packaging should be firm. Do not store in the open air, should pay attention to moisture. Do not store and transport together with food, feed and acid. In case of fire, water, sand and various fire extinguishers can be used to put out the fire. Firefighters should wear masks and gloves to prevent poisoning. poison. Dangerous Regulation No.: GB 6.1 Class 61514. UNNO. 2674; IMDG CODE 6250 pages, class 6.1.

Emergency treatment:

Isolate the leaked pollution area, set up warning signs around, and put on gas masks and chemical protective clothing for emergency responders. Do not come into direct contact with the leak, and stop the leak when it is safe to do so. Avoid dust, collect it in a dry and clean container with a lid with a clean shovel, and bury it in a special waste place. If there is a large amount of leakage, it should be discarded after collection and recycling or harmless disposal.