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Sigma-Aldrich

Hexamethyldisiloxane

viscosity 0.65 cSt (25 °C)

Synonym(s):

Poly(dimethylsiloxane), HMDSO

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About This Item

Linear Formula:
(CH3)3SiOSi(CH3)3
CAS Number:
107-46-0
Molecular Weight:
162.38
Beilstein:
1736258
EC Number:
203-492-7
MDL number:
MFCD00008265
UNSPSC Code:
12162002
PubChem Substance ID:
24870583
NACRES:
NA.23

vapor density

>1 (vs air)

Quality Level

100

refractive index

n20/D 1.377 (lit.)

viscosity

0.65 cSt(25 °C)

bp

101 °C (lit.)

mp

−59 °C (lit.)

density

0.764 g/mL at 20 °C (lit.)

SMILES string

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

InChI

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

InChI key

UQEAIHBTYFGYIE-UHFFFAOYSA-N

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Application

  • Superhydrophobic Surface Coating: Studies the application of hexamethyldisiloxane coatings on fabric masks via plasma treatment to achieve superhydrophobic properties, enhancing the masks′ resistance to moisture (M Prado et al., 2022).
  • PECVD for Thin Film Coatings: Describes the use of hexamethyldisiloxane in plasma-enhanced chemical vapor deposition to create thin film coatings, exploring the effects of using extremely asymmetric capacitive RF discharge (Ž Gosar et al., 2020).
  • QCM-Based VOC Sensors: Hexamethyldisiloxane thin films are used as sensitive coatings for quartz crystal microbalance sensors, enhancing their capability to detect various volatile organic compounds (M Boutamine et al., 2014).
  • Hydrophobic-Hydrophilic Films: Explores the polymerization of hexamethyldisiloxane using atmospheric pressure plasma jets to create films with tailored hydrophobic and hydrophilic properties (M Bashir, S Bashir, 2015).

Pictograms

FlameEnvironment
GHS02,GHS09

Signal Word

Danger

Hazard Statements

H225,H410

Precautionary Statements

P210 - P273

Hazard Classifications

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

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

21.2 °F - closed cup

Flash Point(C)

-6 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Jonathan N Thon et al.
Blood, 124(12), 1857-1867 (2015-01-22)
Platelet transfusions total >2.17 million apheresis-equivalent units per year in the United States and are derived entirely from human donors, despite clinically significant immunogenicity, associated risk of sepsis, and inventory shortages due to high demand and 5-day shelf life. To
Christian A Di Buduo et al.
Blood, 125(14), 2254-2264 (2015-01-13)
We present a programmable bioengineered 3-dimensional silk-based bone marrow niche tissue system that successfully mimics the physiology of human bone marrow environment allowing us to manufacture functional human platelets ex vivo. Using stem/progenitor cells, megakaryocyte function and platelet generation were
Edward W Tekwa et al.
Lab on a chip, 15(18), 3723-3729 (2015-08-01)
Localized interactions are predicted to favour the evolution of cooperation amongst individuals within a population. One important factor that can localize interactions is habitat patchiness. We hypothesize that habitats with greater patchiness (greater edge-to-area ratio) can facilitate the maintenance of
T F Holth et al.
Aquatic toxicology (Amsterdam, Netherlands), 154, 240-252 (2014-06-16)
The aim of this study was to characterize concentration- and time-dependent responses in juvenile Atlantic cod (Gadus morhua) following exposure for one and three weeks to the water-soluble fraction (WAF) of three weathered oils: Arabian Light crude oil (ALC), North
Richard Karban et al.
The New phytologist, 204(2), 380-385 (2014-06-13)
Volatile communication between sagebrush (Artemisia tridentata) individuals has been found previously to reduce herbivory and to be more effective between individuals that are genetically identical or related relative to between strangers. The chemical nature of the cues involved in volatile
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