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Methyltriethoxysilane Structure

Methyltriethoxysilane

Chemical Properties

Melting point <-40°C
Boiling point 141-143 °C(lit.)
Density  0.895 g/mL at 25 °C(lit.)
vapor density  >1 (vs air)
vapor pressure  11 mm Hg ( 20 °C)
refractive index  n20/D 1.383(lit.)
Flash point 75 °F
storage temp.  Store at <= 20°C.
form  liquid
Specific Gravity 0.896
color  colorless
Viscosity 0.8mm2/s
Water Solubility  INSOLUBLE
Sensitive  Moisture Sensitive
Hydrolytic Sensitivity 7: reacts slowly with moisture/water
BRN  1742453
Dielectric constant 3.8500000000000001
Stability Moisture-sensitive. Flammable - note low flash point. Incompatible with acids, oxidizing agents, moisture, water.
InChIKey CPUDPFPXCZDNGI-UHFFFAOYSA-N
LogP -2.4-2.2
CAS DataBase Reference 2031-67-6(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII N811L6SAVL
NIST Chemistry Reference Silane, triethoxymethyl-(2031-67-6)
EPA Substance Registry System Triethoxymethylsilane (2031-67-6)

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H226
Precautionary statements P210
Risk Statements  10
Safety Statements  16
RIDADR  UN 1993 3/PG 3
WGK Germany  3
RTECS  VV4640000
10-21
Autoignition Temperature 220 °C
TSCA  Yes
HazardClass  3
PackingGroup  III
HS Code  29310095
Toxicity LD50 orally in Rabbit: 15700 mg/kg
NFPA 704:
3
2 1

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