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L14725 Diethoxydimethylsilane, 97%

CAS Number
78-62-6
Synonyms
Dimethyldiethoxysilane

Stock No. Size Price ($) Quantity Availability
L14725-18 50g 24.70
L14725-30 250g 58.90
L14725-0B 1000g 191.00
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Diethoxydimethylsilane, 97%

MDL
MFCD00009068
EINECS
201-127-6

Chemical Properties

Formula
C6H16O2Si
Formula Weight
148.28
Melting point
-70°
Boiling Point
111-113°
Flash Point
11°(52°F)
Density
0.865
Refractive Index
1.3820
Storage & Sensitivity
Moisture Sensitive. Ambient temperatures.
Solubility
Reacts with water.

Applications

Diethoxydimethylsilane is useful for blocking hydroxyl and amino groups in organic synthesis reactions. This silylating step allows subsequent reactions to be carried out which would be adversely affected by the presence of active hydrogen in the hydroxyl or amine groups. Following the reaction step, hydroxyl or amine groups blocked with diethoxydimethylsilane may be recovered by a hydrolysis procedure. It is also used for preparing hydrophobic and release materials as well as enhancing flow of powders.

Notes

Store under dry inert gas. It is sensitive to moisture. Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Incompatible with oxidizing agents

Literature References

Kenji Wada.; Makoto Egashira. Improvement of gas-sensing properties of SnO2 by surface chemical modification with diethoxydimethylsilane. Sensors and Actuators B: Chemical. 1998, 53 (3), 147-154.

Ya-li Li.; Yong Liang.; Fen Zheng.; Zhuang-qi Hu. Carbon Dioxide laser Synthesis of Ultrafine Silicon Carbide Powders from Diethoxydimethylsilane. Journal of the American Ceramic Society. 1994, 77 (6), 1662-1664.

GHS Hazard and Precautionary Statements

Hazard Statements: H225-H315-H319-H335

Highly flammable liquid and vapour. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P210-P233-P235-P240-P241-P242-P243-P264b-P271-P280-P303+P361+P353-P304+P340-P305+P351+P338-P312-P332+P313-P363-P370+P378q-P501c

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Keep container tightly closed. Keep cool. Ground/bond container and receiving equipment. Use explosion-proof electrical/ventilating/lighting/ equipment. Use only non-sparking tools. Take precautionary measures against static discharge. Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/physician if you feel unwell. If skin irritation occurs: Get medical advice/attention. Wash contaminated clothing before reuse. In case of fire: Use CO2, dry chemical, or foam Dispose of contents/ container to an approved waste disposal plant

Other References

Beilstein
1736110
Hazard Class
3
Packing Group
II
Harmonized Tariff Code
2931.90
TSCA
Yes
RTECS
VV3590000

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