Tetraethyl orthosilicate

≥99.0% (GC)

• CAS Number 78-10-4

• Linear Formula Si(OC₂H₅)₄

• Molecular Weight 208.33

•  Beilstein Registry Number 1422225

•  EC Number 201-083-8

•  MDL number MFCD00009062

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  Properties

  Related Categories	Chemical Synthesis, Organometallic Reagents, Organosilicon, Silicates
  vapor density	7.2 (vs air)
  vapor pressure	<1 mmHg ( 20 °C)
  assay	≥99.0% (GC)
  form	liquid
  refractive index	n20/D 1.382(lit.)
  	n20/D 1.383
  bp	168 °C(lit.)

Safety Information

Symbol	GHS02, GHS07
Signal word	Warning
Hazard statements	H226-H319-H332-H335
Precautionary statements	P261-P305 + P351 + P338
Personal Protective Equipment	Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Hazard Codes	Xn
Risk Statements (Europe)	10-20-36/37
RIDADR	UN 1292 3/PG 3
WGK Germany	1
RTECS	VV9450000
Flash Point(F)	118.4 °F
Flash Point(C)	48 °C