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326739

Sigma-Aldrich

Hexamethyldisiloxane

NMR grade, ≥99.5%

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Synonym(s):
HMDSO
Linear Formula:
(CH3)3SiOSi(CH3)3
CAS Number:
Molecular Weight:
162.38
Beilstein:
1736258
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

grade

NMR grade

vapor density

>1 (vs air)

Assay

≥99.5%

form

liquid

technique(s)

NMR: suitable

refractive index

n20/D 1.377 (lit.)

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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Related Categories

Pictograms

FlameEnvironment

Signal Word

Danger

Hazard Statements

Precautionary Statements

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

Regulatory Information

危险化学品

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Stavros Beteinakis et al.
Molecules (Basel, Switzerland), 25(15) (2020-07-29)
Edible olive drupes (from Olea europaea L.) are a high-value food commodity with an increasing production trend over the past two decades. In an attempt to prevent fraud issues and ensure quality, the International Olive Council (IOC) issued guidelines for
Soham D Parikh et al.
Materials science & engineering. C, Materials for biological applications, 108, 110345-110345 (2020-01-12)
Carbon Nanotubes (CNTs) are known for effective adhesion, growth, and differentiation of bone, muscle, and cardiac cells. CNTs can provide excellent mechanical and electrical properties for cell scaffolding; however, loose CNTs can cause in-vivo toxicity. To suppress this risk, our
Jianhua Wei et al.
Biomedical materials (Bristol, England), 4(4), 045002-045002 (2009-06-16)
This study investigated the influence of surface wettability on competitive protein adsorption and the initial attachment of osteoblasts. A thin-film coating of hexamethyldisiloxane (HMDSO) and subsequent O(2)-plasma treatment was carried out on substrates with a mirror surface in order to
Vikram D Kodibagkar et al.
Frontiers in bioscience : a journal and virtual library, 13, 1371-1384 (2007-11-06)
Over the years many techniques have been devised for the measurement of tissue oxygenation (oximetry). Oximetry using polarographic needle electrodes has long been considered a gold standard. Nuclear Magnetic Resonance (NMR) based oximetry uses exogenously administered reporter molecules such as
Yuan-Kai Cheng et al.
Journal of chromatography. A, 1220, 143-146 (2011-12-24)
The Hadamard transform-gas chromatography/mass spectrometry (HT-GC/MS) technique was successfully employed for the detection of hexamethyldisiloxane (HMDSO, C(6)H(18)OSi(2)) at the sub-nL/L level in a semiconductor wafer cleanroom. Indoor air samples were collected from the room, according to EPA Method TO-17 using

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