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205389

Sigma-Aldrich

Esametildisilossano

≥98%

Sinonimo/i:

HMDSO

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About This Item

Formula condensata:
(CH3)3SiOSi(CH3)3
Numero CAS:
107-46-0
Peso molecolare:
162.38
Beilstein:
1736258
Numero CE:
203-492-7
Numero MDL:
MFCD00008265
Codice UNSPSC:
12352103
ID PubChem:
24852329
NACRES:
NA.22

Densità del vapore

>1 (vs air)

Saggio

≥98%

Stato

liquid

Indice di rifrazione

n20/D 1.377 (lit.)

P. ebollizione

101 °C (lit.)
101 °C

Punto di fusione

−59 °C (lit.)

Densità

0.764 g/mL at 20 °C (lit.)

Stringa SMILE

C[Si](C)(C)O[Si](C)(C)C

InChI

1S/C6H18OSi2/c1-8(2,3)7-9(4,5)6/h1-6H3
UQEAIHBTYFGYIE-UHFFFAOYSA-N

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Descrizione generale

Hexamethyldisiloxane (HMDSO), a linear polydisiloxane, is an organosilicon reagent commonly utilized as a source for plasma enhanced chemical vapor deposition (PE-CVD) of thin films of silicon compounds. It is also employed as a substitute to silane in silicon integrated circuit technology. Its dissociative ionization by electron impact has been studied by Fourier transform mass spectrometry. Synthesis of plasma-polymerized HMDSO thin films by atmospheric pressure glow (APG) discharge has been reported. Crystals of HMDSO at 148K are monoclinic. Addition of HMDSO to P4S10, improves its efficiency as thionating agent.

Applicazioni

Hexamethyldisiloxane can be used:
  • To fabricate a gas diffusion layer (GDL) with controlled hydrophobic silicone nano-layer by the dry deposition process.
  • To prepare silver nanoparticles coated with silica using arginine and glucose as the catalyst and the reducing agent, respectively.

Pittogrammi

FlameEnvironment
GHS02,GHS09

Avvertenze

Danger

Indicazioni di pericolo

H225,H410

Classi di pericolo

Aquatic Acute 1 - Aquatic Chronic 1 - Flam. Liq. 2

Codice della classe di stoccaggio

3 - Flammable liquids

Classe di pericolosità dell'acqua (WGK)

WGK 2

Punto d’infiammabilità (°F)

21.2 °F - closed cup

Punto d’infiammabilità (°C)

-6 °C - closed cup

Dispositivi di protezione individuale

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Certificati d'analisi (COA)

Lot/Batch Number
STBK6019
MKCQ8649
MKCQ0929
STBK1755
STBJ9649

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Sigma-Aldrich

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Sigma-Aldrich

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Methoxytrimethylsilane

1,1,3,3-Tetramethyldisiloxane 97%

Sigma-Aldrich

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1,1,3,3-Tetramethyldisiloxane

Thin films deposition from hexamethyldisiloxane and hexamethyldisilazane under dielectric-barrier discharge (DBD) conditions.
Schmidt-Szalowski K, et al.
Plasmas and polymers, 5(3-4), 173-190 (2000)
Tae-Jun Ko et al.
ACS applied materials & interfaces, 7(9), 5506-5513 (2015-02-18)
Reliable operation of a proton exchange membrane fuel cell requires proper water management to prevent water flooding in porous carbon materials such as the gas diffusion layer (GDL). In contrast to the conventional GDL that uses the "wet" dip-coating process
Philippe Saint-Cricq et al.
Journal of materials chemistry. B, 1(19), 2451-2454 (2013-05-21)
Mesoporous silica-coated silver nanoparticles (Ag@MSN) were prepared by a two step synthesis in an environment friendly way. Arginine and glucose were used as a catalyst for the formation of silica and as a reducing agent for silver ions, respectively, in
Israel Sifuentes-Nieves et al.
International journal of biological macromolecules, 144, 682-689 (2019-12-21)
In the present study, the effect of plasma treatment on the structural properties of three granular corn starches (normal, Hylon V and Hylon VII) was investigated. Thermal (TGA/DSC), structural (XRD/FTIR) and chemical (XPS) properties were evaluated. Plasma treatment resulted in
The Raman Spectra of Hexamethyldisilane and Hexamethyldisiloxane.
Murata H and Kumada M.
J. Chem. Phys., 21(5), 945-945 (1953)
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