2,4,6,8,10-Pentamethyl-1,3,5,7,9,2,4,6,8,10-pentoxapentasilecane

Basic Information

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CAS Number

6166-86-5

Molecular Formula

C5H20O5Si5

Molecular Weight

300.64 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Basic Physical Properties

Melting Point

-108 ºC

Boiling Point

54 °C/10 mmHg

Density

0.992 g/mL at 25 °C

Refractive Index

n20/D 1.392(lit.)

Vapor Pressure

2.1±0.3 mmHg at 25°C

SMILES

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C[SiH]1O[SiH](O[SiH](O[SiH](O[SiH](O1)C)C)C)C

InChI

InChI=1S/C5H20O5Si5/c1-11-6-12(2)8-14(4)10-15(5)9-13(3)7-11/h11-15H,1-5H3

InChIKey

HGPDWMTUQRNTQT-UHFFFAOYSA-N

LogP

-0.6655000000000004

Topological Polar Surface Area

46.150000000000006 Å²

Hydrogen Bond Donor/Acceptor

0 / 5

Complexity

130

Safety Information

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GHS Hazard Pictograms

H226

Hazard Statement

H226 Flammable liquid and vapor
Flammable liquids

Synonyms & References

English

Cyclopentasiloxane,2,4,6,8,10-pentamethyl-
1,3,5,7,9-Pentamethylcyclopentasiloxane
2,4,6,8,10-pentamethyl-1,3,5,7,9,2λ3,4λ3,6λ3,8λ3,10λ3-pentaoxapentasilecane
PENTAMETHYLCYCLOPENTASILOXANE
1,3,5,7,9-pentamethylhydrocyclopentasiloxane
2,3-DIHYDRO-5-FURYLBORONIC ACID PINACOL ESTER
2,4,6,8,10-Pentamethyl-cyclopentasiloxan
2,4,6,8,10-Pentamethylcyclopentasiloxane
cyclopentasiloxane
Cyclopentasiloxane,2,4,6,8,10-pentamethyl
EINECS 228-204-7
D 5H
LS 8990

MDL Number

MFCD00053531

Customs Code

2901100000

FAQ

What are the physical and chemical properties of 2,4,6,8,10-Pentamethyl-1,3,5,7,9,2,4,6,8,10-pentoxapentasilecane (CAS: 6166-86-5)?

2,4,6,8,10-Pentamethyl-1,3,5,7,9,2,4,6,8,10-pentoxapentasilecane is a crystalline solid with a molecular weight of approximately 602.5 g/mol. It is poorly soluble in water but soluble in organic solvents. Chemically, it is stable under normal conditions but requires caution in oxidizing environments. It shows no significant reactivity under ambient conditions.

How is 2,4,6,8,10-Pentamethyl-1,3,5,7,9,2,4,6,8,10-pentoxapentasilecane (CAS: 6166-86-5) typically synthesized?

2,4,6,8,10-Pentamethyl-1,3,5,7,9,2,4,6,8,10-pentoxapentasilecane is synthesized through a complex multi-step process involving the polymerization of dimethyl oxalamide. The process uses specific catalysts to achieve high yield and selectivity. The final product is purified through distillation and other standard separation techniques.

What industries use 2,4,6,8,10-Pentamethyl-1,3,5,7,9,2,4,6,8,10-pentoxapentasilecane (CAS: 6166-86-5)?

2,4,6,8,10-Pentamethyl-1,3,5,7,9,2,4,6,8,10-pentoxapentasilecane is primarily used in the pharmaceutical industry for its unique physicochemical properties. It is also employed in the polymer industry for its stability and in semiconductor manufacturing for its application in chemical vapor deposition processes.

What precautions should be taken when handling 2,4,6,8,10-Pentamethyl-1,3,5,7,9,2,4,6,8,10-pentoxapentasilecane (CAS: 6166-86-5)?

When handling 2,4,6,8,10-Pentamethyl-1,3,5,7,9,2,4,6,8,10-pentoxapentasilecane, it is crucial to use appropriate personal protective equipment (PPE), including gloves, goggles, and a lab coat. Work should be conducted in a well-ventilated area or a fume hood. Spills should be cleaned up using appropriate absorbent materials and disposed of according to local regulations. Always refer to the Safety Data Sheet (SDS) for detailed safety information.