Натрий гексафторсиликат. CAS № 16893-85-9
Product Name: Sodium Silicofluoride (Sodium Fluorosilicate) SSF
Alias: destruxolapplex; disodiumhexafluorosilicate; disodiumhexafluorosilicate(2-);
disodiumsilicofluoride; ens-zemweevilbait;ent1,501;fluosilicatedesodium;
hexfluoro-silicate
EINECS number: 240-934-8
Density: 2.68g/ML at 25 °C(lit.)
CAS No: 16893-85-9
Molecular Formula: Na2SiF6
Molecular Weight: 188.06
Appearance: white crystal or crystalized powder.
Purity: 98.5%
Place of origin: Hubei Province, China
Application: opal glassware, building materials, sewage treatment, ad
Annual Output:: 8000MT
Hazardous Grade: 6.1
UN NO: 2674
Packing: Plastic woven bag lined with plastic bag, net weight 25kg.
Loading Capacity of 20GP: 25MT
Delivery Port: Yangsi Port, Wuhan City or China Main port
Specifications
|
Item |
National Standard(%) |
Result(%) |
|
(Na2SiF6) |
≥98.5 |
≥99.15 |
|
Loss of weight on drying |
≤0.30 |
≤0.30 |
|
Free acid(HCl) |
≤0.1 |
≤0.047 |
|
Chloride (CL) |
≤0.15 |
≤0.11 |
|
Sulphates(SO4) |
≤0.25 |
≤0.23 |
|
Iron(Fe) |
≤0.02 |
≤0.02 |
|
Water |
≤0.4 |
≤0.18 |
|
Fineness |
≥90 |
≥99 |
Physical Properties
Description: Dry crystalline non-hygroscopic salt, meeting AWWA StandardB-702,and the NSF/ANSI Standard 60 for Fluoride Fluorosiicate.
Specification Gravity (H2O=1): 2.679
Boiling Point: Decomposes at 500 °C (932 .F)
Molecular Weight: 188.05
Solubility in Water: 0.76 grams/100 ml of water @ 25°C
2.45 grams/100 ml of water @ 100 °C
Guaranteed Screens: ≥89% through 40 mesh
≤25% through 325 mesh
Ph (1% Solution): 3.0-4.5
Application of Sodium Fluorosilicate:
Widely use in opal glassware and lamp pendantlamps production.
Sodium Fluorosilicate is designed for pesticides, milk whitening agent
for enamel, corrosive agent for milk white glass, the anti-corrosive
agent for timber and other fluoride raw materials. It's also used in
smelting of beryllium and aluminum, as well as medicine, rubber, and
leather industries, etc
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