Diethoxymethylsilane

Synonym(s):Diethoxy-methylsilane

CAS NO.：2031-62-1
Empirical Formula: C5H14O2Si
Molecular Weight: 134.25
MDL number: MFCD00026749
EINECS: 217-982-3
SAFETY DATA SHEET (SDS)
Update Date: 2025-01-27 09:38:02

What is Diethoxymethylsilane?

Chemical properties

Colorless clear liquid

The Uses of Diethoxymethylsilane

Diethoxymethylsilane is used in the preparation of N,N'-methylsilanediyl-bis-phthalimide by reacting with phthalimide. It is used as a reagent in the selective reduction of carbonyl compounds, hydorosilylation of alkenes, tandem reductive aldol reaction and rhodium-catalyszed silylcarbocyclization.

Flammability and Explosibility

Flammable

Properties of Diethoxymethylsilane

Melting point:	98 °C
Boiling point:	94-95 °C (lit.)
Density	0.838 g/mL at 20 °C (lit.)
vapor pressure	0.053-7910Pa at 25℃
refractive index	1.3760
Flash point:	10°C
storage temp.	Flammables area
form	clear liquid
color	Colorless to Almost colorless
Specific Gravity	0.829
Water Solubility	Miscible with water, 1,4-dioxane, tetrahydrofuran, acetonitrile, dichloromethane, chloroform, dimethyl sulfoxide, hexamethylphosphoric triamide and toluene. Insoluble in diethyl ether and hexane.
Sensitive	Moisture Sensitive
Hydrolytic Sensitivity	7: reacts slowly with moisture/water
BRN	1733975
CAS DataBase Reference	2031-62-1(CAS DataBase Reference)
NIST Chemistry Reference	Methyldiethoxysilane(2031-62-1)
EPA Substance Registry System	Silane, diethoxymethyl- (2031-62-1)

Safety information for Diethoxymethylsilane

Signal word	Danger
Pictogram(s)	Flame Flammables GHS02 Exclamation Mark Irritant GHS07
GHS Hazard Statements	H225:Flammable liquids H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P240:Ground/bond container and receiving equipment. P241:Use explosion-proof electrical/ventilating/lighting/…/equipment. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.