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LC1948 Ethoxytrimethylsilane

for synthesis


Order number Packaging Quantity Price €
AC28948 Glass bottle 25 ml 14.22
AC28948 Glass bottle 100 ml 38.48


Product information
Synonyms Trimethylethoxysilane
Hill Formula C5H14OSi
Chemical formula C2H5OSi(CH3)3
HS Code 2931 00 99
EC number 217-370-6
Molar mass 118.25 g/mol
CAS number 1825-62-3


Chemical and physical data
Ignition temperature 280 °C
Solubility (20 °C) (slow decomposition)
Molar mass 118.25 g/mol
Density 0.76 g/cm3 (20 °C)
Boiling point 75 – 76 °C (1013 mbar)
Vapor pressure 130 – 135 °C
Explosion limit 6.9 hPa (20 °C)
Flash point 0.8 – 8.1 %(V)
Refractive index 33 °C


Safety information according to GHS
Hazard Statement(s) H225: Highly flammable liquid and vapour.
H315: Causes skin irritation.
H319: Causes serious eye irritation.
H335: May cause respiratory irritation.
Precautionary Statement(s) P210: Keep away from heat/sparks/open flames/hot surfaces. – No smoking.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Categories of danger Danger
Hazard Pictogram(s)
Storage class 3 Flammable Liquids
WGK WGK 3 highly water endangering
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.


Safety information
R Phrase R 11-36/37/38
Highly flammable.Irritating to eyes, respiratory system and skin.
S Phrase S 16
Keep away from sources of ignition – No smoking.
Categories of danger highly flammable, irritant
Hazard Symbol




Transport information
Declaration (transport by sea) IMDG-Code UN 1993 FLAMMABLE LIQUID, N.O.S.(ETHOXYTRIMETHYLSILANE), 3, II
Declaration (transport by air) IATA-DGR UN 1993 FLAMMABLE LIQUID, N.O.S.(ETHOXYTRIMETHYLSILANE), 3, II



Assay (GC, area%) ≥ 97 %
Density (d 20 °C/ 4 °C) 0.756 – 0.759
Identity (IR) passes test


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LD50 rabbit > 7940 mg/kg