Methyl silicate

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Description

A colorless, liquid silicate that hydrolyzes to form a colorless, transparent film of silica. Methyl silicate is used as a heat-resistant glass coating.

Chemical structure

Methyl silicate.jpg

Synonyms and Related Terms

Silicato de metilo (Esp.); silicate de méthyle (Fr.); tetrametil silicato (It.); silicato de metilo (Port.); tetramethoxy silane; silicone ester; tetramethyl silicate; tetramethyl orthosilicate;

Risks

  • Toxic by inhalation and ingestion.
  • Contact can cause redness and burns.
  • Flammable. Flash point = 20 C
  • ThermoFisher: SDS

Physical and Chemical Properties

Soluble in ethanol. Insoluble in water.

Composition (CH3O)4Si
CAS 681-84-5
Melting Point -2 C
Density 1.0232 g/ml
Molecular Weight mol. wt. = 152.3
Boiling Point 121 C

Resources and Citations

  • Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993