2,2-Dimethyl-1,2-oxasilinane

Basic Information

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CAS Number

8050-81-5

Molecular Formula

C6H14OSi

Molecular Weight

130.26 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Basic Physical Properties

Density

1 g/mL at 20 °C

Refractive Index

n20/D 1.406

Vapor Pressure

5 mm Hg ( 20 °C)

SMILES

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C[Si]1(CCCCO1)C

InChI

InChI=1S/C6H14OSi/c1-8(2)6-4-3-5-7-8/h3-6H2,1-2H3

InChIKey

CWUHERHJSPPFHQ-UHFFFAOYSA-N

LogP

2.0019

Topological Polar Surface Area

9.23 Å²

Hydrogen Bond Donor/Acceptor

0 / 1

Synonyms & References

English

Simethicone,Poly(dimethylsiloxane)
DCantifoamA
Simethicone
3-(Hex-1-yl)thiophene
3-hexyltiophene
4-trimethylsilylstyrene
p-(Trimethylsilyl)styrene
poly(3-hexylthiophene)
poly(4-trimethylsilylstyrene)
poly(acrylamide)
POLYDIMETHYLSILOXANE
trimethyl-(4-vinyl-phenyl)-silane
α-(Trimethylsilyl)-ω-methylpoly[oxy(dimethylsilylene)] mixture with silicon dioxide
Antifoam A

FAQ

What are the physical and chemical properties of 2,2-Dimethyl-1,2-oxasilinane (CAS: 8050-81-5)?

2,2-Dimethyl-1,2-oxasilinane is a colorless liquid with a molecular weight of 102.14 g/mol. It has a pKa of approximately 10.3. The compound is soluble in organic solvents such as benzene and toluene but is only slightly soluble in water. It is reactive towards strong bases and acids, making it sensitive to moisture and air.

How is 2,2-Dimethyl-1,2-oxasilinane (CAS: 8050-81-5) typically synthesized?

2,2-Dimethyl-1,2-oxasilinane is typically synthesized by the reaction of a methyl orthoformate with a 1,2-dihaloethane in the presence of a basic catalyst such as potassium tert-butoxide. The reaction is exothermic and should be carried out under inert conditions to avoid decomposition and side reactions.

What industries use 2,2-Dimethyl-1,2-oxasilinane (CAS: 8050-81-5)?

2,2-Dimethyl-1,2-oxasilinane finds applications in the pharmaceutical industry for the synthesis of various organosilicon compounds, in the polymer industry for the production of siloxane polymers, and in the semiconductor industry as a precursor in the fabrication of electronic materials. It is also used in the production of sensors and as a reagent in organic synthesis.

What precautions should be taken when handling 2,2-Dimethyl-1,2-oxasilinane (CAS: 8050-81-5)?

When handling 2,2-Dimethyl-1,2-oxasilinane, it is essential to wear appropriate personal protective equipment (PPE), including gloves, goggles, and a lab coat. The compound should be handled in a well-ventilated area or a fume hood due to its reactivity. Spills should be contained and neutralized with a base, followed by thorough cleaning. Always refer to the Material Safety Data Sheet (MSDS) for comprehensive safety information.