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Decamethylcyclopentasiloxane

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Identification
Molecular formula
C10H30O5Si5
CAS number
541-02-6
IUPAC name
2,2,4,4,6,6,8,8,10,10-decamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane
State
State

At room temperature, Decamethylcyclopentasiloxane is a liquid. It is characterized by its low viscosity and volatile nature.

Melting point (Celsius)
-44.00
Melting point (Kelvin)
229.15
Boiling point (Celsius)
210.00
Boiling point (Kelvin)
483.15
General information
Molecular weight
370.77g/mol
Molar mass
370.7700g/mol
Density
0.9577g/cm3
Appearence

Decamethylcyclopentasiloxane (D5) is a clear, colorless liquid. It has a low viscosity and is often used for its smooth and silky texture. Additionally, it is typically odorless or may possess a slight, pleasant fragrance.

Comment on solubility

Solubility of 2,2,4,4,6,6,8,8,10,10-decamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane

When it comes to the solubility of 2,2,4,4,6,6,8,8,10,10-decamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane, there are a few intriguing points to consider:

  • Hydrophobicity vs. Hydrophilicity: The molecular structure, characterized by its extensive siloxane framework and multiple methyl groups, contributes to its overall hydrophobic nature.
  • Solubility in Organic Solvents: This compound is expected to dissolve readily in nonpolar organic solvents, owing to its hydrophobic methyl groups.
  • Limited Water Solubility: Due to its significant hydrophobic characteristics, it has a very low solubility in water, making it less favorable for aqueous applications.
  • Potential for Amphiphilic Behavior: Depending on the presence and arrangement of functional groups, there might be limited amphiphilic properties, allowing for some degree of solubility in mixed solvents.

In conclusion, the solubility of this compound highlights a fascinating interplay between hydrophobic and hydrophilic interactions. While it is generally insoluble in water, its compatibility with organic solvents opens doors to various uses in chemical applications.

Interesting facts

Interesting Facts about 2,2,4,4,6,6,8,8,10,10-decamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane

The compound 2,2,4,4,6,6,8,8,10,10-decamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane is a fascinating example of synthetic chemistry, showcasing the incredible versatility and potential of siloxane compounds. Known for their high stability and flexibility, these compounds often exhibit unique properties that make them valuable in various applications. Here are some intriguing aspects:

  • Structural Complexity: This compound features a long siloxane backbone with multiple methyl substitutions. Such a design enhances its chemical stability and resistance to environmental degradation.
  • Applications in Industry: Siloxane compounds like this one have applications in fields ranging from cosmetics to material sciences. They are often used to create water-repellent surfaces and flexible elastomers.
  • Non-toxicity and Biocompatibility: Many siloxanes are known for being non-toxic and biocompatible, which makes them suitable for medical applications, including drug delivery systems and implants.
  • Research and Innovation: Ongoing research is exploring the potential of modified siloxanes in creating new materials with enhanced properties, paving the way for innovative solutions in engineering and technology.
  • Sustainability Aspect: As the search for sustainable materials continues, siloxanes, particularly those that can be synthesized from renewable sources, are of particular interest to chemists striving to reduce environmental impact.

As researchers delve deeper into the properties and potential applications of such siloxane compounds, they continue to expand the horizons of chemical science. The unique structural features of this compound not only spark curiosity but also have practical implications that could shape the future of materials science.

Synonyms
DECAMETHYLCYCLOPENTASILOXANE
541-02-6
Cyclomethicone 5
Cyclopentasiloxane, decamethyl-
CYCLOPENTASILOXANE
Dimethylsiloxane pentamer
Dow corning 345
NUC silicone VS 7158
Silicon SF 1202
Ciclopentasiloxane
Cyclic dimethylsiloxane pentamer
Cyclomethicone D5
Dekamethylcyklopentasiloxan
D5-sil
KF 995
CCRIS 1328
VS 7158
HSDB 5683
UNII-0THT5PCI0R
0THT5PCI0R
EINECS 208-764-9
SF 1202
BRN 1800166
DTXSID1027184
JEESILC CPS-211
XIAMETER PMX-0245
DTXCID907184
CYCLOPENTASILOXANE (D5)
D5
EC 208-764-9
4-04-00-04128 (Beilstein Handbook Reference)
KF-995
DOW CORNING ST CYCLOMETHICONE 5
OCTAMETHYLCYCLOTETRASILOXANE (D5)
KP-545 COMPONENT CYCLOMETHICONE 5
2,2,4,4,6,6,8,8,10,10-decamethyl-1,3,5,7,9,2,4,6,8,10-pentoxapentasilecane
CYCLOMETHICONE 5 (USP-RS)
CYCLOMETHICONE 5 [USP-RS]
Lightening Serum
UNII: 0THT5PCI0R
3CE PINK IM GOOD MASCARA
208-764-9
2,2,4,4,6,6,8,8,10,10-Decamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane
Ddecamethylcyclopentasiloxane
Cyclopentasiloxane, 2,2,4,4,6,6,8,8,10,10-decamethyl-
MFCD00046966
Dekamethylcyklopentasiloxan [Czech]
decamethyl cyclopentasiloxane
C10H30O5Si5
D5 Cyclomethicone
dimethylcyclopentasiloxane
Decamethylcylopentasiloxane
SCHEMBL28497
N-Propylheptamethyltrisiloxane
CHEMBL1885178
CHEBI:191092
Decamethylcyclopentasiloxane, 97%
CYCLOMETHICONE 5 [WHO-DD]
BCP15826
Tox21_303170
CD3770
CYCLOPENTASILOXANE, DECAMETHYL
AKOS008901199
CS-W009767
DB11244
FD20850
HY-W009051
DECAMETHYLCYCLOPENTASILOXANE [MI]
NCGC00163981-01
NCGC00257224-01
AS-59731
CAS-541-02-6
DA-72620
DECAMETHYLCYCLOPENTASILOXANE [HSDB]
D1890
D3770
Decamethylcyclopentasiloxane (cyclic monomer)
NS00043162
D78203
S05475
Decamethylcyclopentasiloxane, analytical standard
Q414350
decamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane
Cyclomethicone 5, United States Pharmacopeia (USP) Reference Standard
2,2,4,4,6,6,8,8,10,10-Decamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane #
D5 Cyclomethicone, Pharmaceutical Secondary Standard; Certified Reference Material
2,2,4,4,6,6,8,8,10,10-Decamethylcyclopentasiloxane;Botanisil CP 33;Cyclic dimethylsiloxane pentamer