Diethoxydimethylsilane

ALDRICH/175595 - 97%

Synonym: Dimethyldiethoxysilane

CAS Number: 78-62-6
Empirical Formula (Hill Notation): C₆H₁₆O₂Si
Molecular Weight: 148.28
EC Number: 201-127-6
MDL Number: MFCD00009068
Linear Formula: (CH₃)₂Si(OC₂H₅)₂
Product Type: Chemical

Catalog Number	PKG Qty.	Price	Quantity


45-175595-100ML	100 mL	$56.70 1/EA		Add To Favorites
45-175595-500ML	500 mL	$198.00 1/EA		Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

assay	97%
bp	114 °C (lit.)
density	0.865 g/mL at 25 °C (lit.)
form	liquid
InChI	1S/C6H16O2Si/c1-5-7-9(3,4)8-6-2/h5-6H2,1-4H3
InChI key	YYLGKUPAFFKGRQ-UHFFFAOYSA-N
Quality Level	100
refractive index	n20/D 1.381 (lit.)
SMILES string	CCO[Si](C)(C)OCC

Application:	Diethoxydimethylsilane (DMDES) may be used to modify epoxy resin6 and the surfaces of pure silica and Pd/SiO2 hydrogen gas sensors. Surface modification results in enhanced gas sensing properties of the sensors. {43}-{44}Diethoxydimethylsilane may be used as a precursor for the synthesis of ultrafine SiC powder. {45} Studies report its use as a precursor for ORMOSIL (Organically modified SILicates) and thin a-SiOxCyHz films.{47}
Application:	The composite of DEDMS and triethoxymethylsilane can be used to synthesize a liquid precursor resin for the preparation of silicon oxycarbide (SiOC). It can form a sol-gel coating on polyamide-polyethylene (PA/PE), which can be used as an anti-oxidizing food packaging material. It can also be used as a precursor in the synthesis of polydimethylsiloxane, which forms an anti-corrosive coating composite with waterborne polyurethane.
General description:	Diethoxydimethylsilane (DEDMS) is an organically modified silicate (ORMOSIL) with two methyl groups in each unit that facilitate the hydrophobic characteristics. It is mainly utilized to functionalize a variety of substrates.
Packaging:	100, 500 mL in glass bottle

Symbol	GHS02,GHS07
Signal word	Danger
Hazard statements	H225 - H315 - H319 - H332
Precautionary statements	P210 - P233 - P240 - P303 + P361 + P353 - P304 + P340 + P312 - P305 + P351 + P338
Hazard Codes	F,Xn
Risk Statements	11-20-36/38
Safety Statements	26-36
RIDADR	UN 2380 3 / PGII
WGK Germany	WGK 2
Flash Point(F)	42.8 °F - closed cup
Flash Point(C)	6 °C - closed cup

Purity	97%
bp	114 °C (lit.)
Density	0.865 g/mL at 25 °C (lit.)
Refractive Index	n20/D 1.381 (lit.)
UNSPSC	12352103

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