TETRAETHOXYSILANE, 98%

Product Code: SIT7110.0
CAS No: 78-10-4
SDS Sheets: EU | US
COMMERCIAL
78-10-4
Pack Size
Quantity
Price
 
100 g
$21.00
3 kg
$105.00
17 kg
$357.00
185 kg
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Product data and descriptions listed are typical values, not intended to be used as specification.

  • Einecs Number

    201-083-8
  • Synonyms

    TETRAETHYLORTHOSILICATE; TEOS
  • HMIS

    2-2-1-X
  • Molecular Formula

    C8H20O4Si
  • Molecular Weight (g/mol)

    208.33
  • TSCA

    Yes
  • Autoignition Temp (˚C)

    260
  • Boiling Point (˚C/mmHg)

    169
  • Coefficient of Thermal Expansion (x10-4 K-1)

    1.1 x 10-3
  • Density (g/mL)

    0.9335
  • Dielectric Constant (F/m)

    4.1
  • Flash Point (˚C)

    46 °C
  • Melting Point (˚C)

    -77°
  • Refractive Index @ 20˚C

    1.3818
  • Thermal Conductivity (W/m˚C, ˚C)

    4.0
  • Vapor Viscosity (µP,˚C)

    60, 60
  • Viscosity at 25 ˚C (cSt)

    0.8

Additional Properties

  • Hydrolytic Sensitivity

    7: reacts slowly with moisture/water
  • Application

    Source by hydrolysis of SiO2 and sol-gel derived glasses.1
    Intermediate for silica spheres with controlled dimensions.2

    Reference

    1. Brinker, C. et al. Sol-Gel Science; Academic Press: 1990.
    2. Stöber, W. et al. J. Coll. Interface Sci. 1968, 26, 62.

    Safety

  • Hazard Info

    oral rat, LD50: 6,270 mg/kg
  • Packaging Under

    Nitrogen