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Tetraethyl orthosilicate manufacturer CAS:78-10-4

Sep 8th, 2022 at 08:48   Electronic Chemicals   New Whiteland   53 views Reference: 7LDdwPre1YK

Location: New Whiteland

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Chemical Name:Tetraethyl orthosilicate
CAS.NO:78-10-4
Synonyms:ethyl orthosilicate; tetraethyl ortosilicate; tetra-ethyl orthosilicate;
Molecular Formula:C8H20O4Si
Molecular Weight:208.32700
Physical and Chemical Properties:
Density:0.94;
Melting point:-77oC;
Boiling point:168oC;
Flash point:46oC;
Index of Refraction:1.382;
Specification:
Appearance:Colorless transparent liquid
Purity(GC):≥99.0%
Packing:190 kg/drum, can also be packaged according to customer requirements
Storage:Store in a cool, ventilated place
Application:It may be used as an inorganic binder for refractory fillers and pigments, like precision investment castings.
It may be used as a second backup casting coating. It cures faster than colloidal silica system.
It may be hydrolyzed to form silicon dioxide(silica).
It may be used as a binder in zinc-rich (corrosion resistant) coating.
It may be used as a starting material for sol-gel process.
It may be used as a crosslinking agent for silicone sealant.
It may be used as a drying agent in sealing compositions.
It may be used as a chemical intermediates

Items of Analysis Standard of Analysis Test Results
Appearance Clear liquid Conforms
Assay of SiO2 28.0-29.0% 28.67%
Low boiling point matter(110℃) 1.0% max 0.30%
Free acid(as HCl) 0. 01% max 0.008%
Gravity(20℃) 0.929-0.936g/cm3 0.934 g/cm3
Assay 99.0% min 99.5%
Conclusion Conforms to Factory Standard



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