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
$200.00
3 kg
$230.00
17 kg
$674.00
185 kg
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Prices listed are EXW price (Morrisville, PA US) in USD. Prices vary depending on currency and Incoterms.

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
  • Purity (%)

    98%
  • 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