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SZSE：002741
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  • Molecular weight：208.33
  • Aliases：Tetraethoxysilane; TEOS； Tetraethyl orthosilicate
  • Molecular formula：C8H20O4Si
  • UN Code：1292
  • EC No.：201-083-8
  • HS-No：2920909090
Information
Specification category：
Product No. Product name specifications
1.19172.013 ethyl silicate AR500mL
1.19172.023 ethyl silicate CP500mL
1.19172.033 ethyl silicate AR25kg
1.19172.053 ethyl silicate CP180kg
Characteristic： Appearance and properties:Colorless liquid with a slight odor.
Relative density(water=1) : 0.93
Relative vapor density(air=1) : 7.22
Melting point(℃): -77
Boiling point(℃): 165.5
Concentration: pure
Saturated vapor pressure: 0.13(20℃)
Solubility: Slightly soluble in water, soluble in ethanol and ether.
Technical indicators：
Item AR CP
Assay(SiO2) ≥28.5% ≥28.0%
Density(20℃)(g/cm3 ): 0.930~0.938 0.930~0.938
Free acid (as HCl) ≤0.05% ≤0.05%
Iron(Fe) ≤0.001% --
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