|Packaging Type||50 KG BAGS WITH INNER LINEAR|
|Grade Standard||Reagent Grade|
|Packaging Size||50 KG BAGS WITH INNER LINEAR|
Sodium Fluorosilicate is a fine, white, odorless, powdered solid. Toxic by ingestion, inhalation and skin absorption.
1.Appearance : White, hexagonal crystals.
White, crystalline powder.
White, free-flowing powder.
Sodium fluorosilicate is made by neutralizing fluorosilicic acid with sodium chloride or sodium sulfate.
Additives for water fluoridation, ore refining, or other fluoride chemical (like sodium fluoride, magnesium silicofluoride, cryolite, aluminum fluoride) production.in the field of laundry souring, manufacturing enamels, manufacturing coated papers, wood preservative , foam production, opal glass, ore flotation and water fluoridation.
1.Sodium fluorosilicate appears as white crystal, crystalline powder or colorless hexagonal crystals.
2.It is odorless and tasteless.
3.3.Its relative density is 2.68;
4.it has moisture absorption capability.
5.It can be dissolved in a solvent such as ethyl ether but insoluble in alcohol.
6.The solubility in acid is greater than that in water.
7.It can be decomposed in alkaline solution, generating sodium fluoride and silica. After searing (300 ¿¿¿), it is decomposed into sodium fluoride and silicon tetrafluoride. It is poisonous!
Item name : Sodium Fluorosilicate
Molecular Formula: Na2SiF6
Appearance: White power
CAS No.: 16893-85-9
EINECS No.: 240-934-8
HS Code: 2826901000
Molecular Weight: 188.06
|Loss of Weight on drying at 105°C||≤0.40%|
|Insoluble in Water||≤0.50%|
Sodium Silico fluoride mainly used for building industry ,coagulator ,wood preservative ,insecticide ,medicine and drinking water.
1.Properties of potassium silicofluoride K2SiF6:
It is white crystals or powder, odorless, tasteless and weak acidic and have toxic. The density of hexagonal crystal is 3.08.It is hygroscopic.It is slightly soluble in water, soluble in hydrochloric acid. Its solubility is slightly higher as the temperature gets higher. It is decomposed by heat to form potassium fluoride(KF) and silicon tetrafluoride(SiF4). It is hydrolyzed in hot water to form potassium fluoride(KF),hydrogen fluoride(HF) and silicate acid(H2SiO3).
2.Usage of potassium silicofluoride K2SiF6:
It can be used as wooden preservatives and insecticides, or to produce synthetic mica and opalescent glass.It can also be used as flux in metallurgy of magnesium and aluminium.
3.Packing: Plastic lined woven bags of 25/50kg
4.Delivery time: 7-10 days after receiving your order
We professional in Magnesium silicofluoride , your any specification,we can made for you and shipment in time.
Physical chemistry properties: white rhombus or acicular crystal, odorless. Magnesium silicofluoride density is 1.788, melting point is 120°C, may lose crystallize water by efflorescence, soluble in water, thin acid, insoluble alcohol thin soluble in silicofluoride. Its water solution appears acidity it can produce fluoride and silicon dioxide with alkali, poisonous.
Usage: Magnesium silicofluoride can improve the hardness and strength of concrete. It is excellent harden and waterproof matter, and insecticide.Specifications:
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Prolonged shelf life
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Whitish fine finish