Product Identification

Product Name

Tetrabutyl orthosilicate

Synonyms

Silicic acid, tetrabutyl ester
Tetrabutoxysilane

CAS

4766-57-8

Formula

C16H36O4Si

Molecular Weight

320.54000000000002

EINECS

225-305-8

Beilstein/Gmelin

1709274

Beilstein Reference

4-01-00-01541

Physical and Chemical Properties

Solubility in water

Insoluble

Boiling Point

276 - 279

Vapor Pressure

0.009 (25 C)

Density

0.9353 g/cm3 (0 C)

Partition Coefficient

9.35

Heat Of Vaporization

49.3 kJ/mol

Heat Of Combustion

-10847 kJ/mol

Refractive Index

1.4128 (20 C)

Fire Fighting Measures

Flash Point

78

Exposure Controls/Personal Protection

Exposure Effects

The toxicological properties of this material have not been investigated. Use appropriate procedures to prevent opportunities for direct contact with the skin or eyes and to prevent inhalation.

Hazards Identification

EC Risk Phrase

R 36/38

EC Safety Phrase

S 26 36