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235679

Sigma-Aldrich

Decamethyltetrasiloxane

97%

Synonym(s):

1,1,1,3,3,5,5,7,7,7-Decamethyltetrasiloxane, 1,1,3,3-Tetramethyl-1,3-bis(trimethylsiloxy)disiloxane, [Dimethyl(trimethylsilyloxy)silyl]oxy-dimethyl-trimethylsilyloxysilane

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About This Item

Linear Formula:
(CH3)3SiO[Si(CH3)2O]2Si(CH3)3
CAS Number:
141-62-8
Molecular Weight:
310.69
Beilstein/REAXYS Number:
1776881
EC Number:
205-491-7
MDL number:
MFCD00008263
UNSPSC Code:
12352103
PubChem Substance ID:
24853991
NACRES:
NA.22

vapor density

>1 (vs air)

Quality Level

100

assay

97%

form

liquid

refractive index

n20/D 1.389 (lit.)

bp

194 °C (lit.)

mp

−68 °C (lit.)

density

0.854 g/mL at 25 °C (lit.)

SMILES string

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

InChI

1S/C10H30O3Si4/c1-14(2,3)11-16(7,8)13-17(9,10)12-15(4,5)6/h1-10H3

InChI key

YFCGDEUVHLPRCZ-UHFFFAOYSA-N

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pictograms

Environment
GHS09

signalword

Warning

hcodes

H410

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1

Storage Class

10 - Combustible liquids

wgk_germany

WGK 3

flash_point_f

143.6 °F - closed cup

flash_point_c

62 °C - closed cup

ppe

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)

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Certificates of Analysis (COA)

Lot/Batch Number
MKCS9666
MKCR8599
MKCK9149
MKCG2509
MKCC8298

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Ken-Ichi Shinohara et al.
Scientific reports, 8(1), 13982-13982 (2018-09-20)
As a composite of hybrid organic-inorganic materials, blending hydrophilic silica microparticles with oil-extended rubber can improve vehicle tire performance but the nanometer scale effects of microparticle inclusion have not been thoroughly studied. Here, we used atomic force microscopy (AFM) video
De-Gao Wang et al.
The Science of the total environment, 574, 1254-1260 (2016-09-25)
We measured the concentrations of linear and cyclic volatile methylsiloxanes (VMS) concentrations in the blood plasma of turtles, cormorants, and seals collected from Canadian freshwater and marine ecosystems. A modified quick, easy, cheap, effective, rugged, and safe (QuEChERS) method was
Jiali Cheng et al.
Environmental science and pollution research international, 28(13), 16054-16064 (2020-11-28)
Methyl siloxanes are becoming increasingly prevalent in the environment because of their extensive use in various consumer products. Little is known about the distribution of these chemicals around factories or their presence in road dust. We conducted a survey of
Tri Manh Tran et al.
Chemosphere, 184, 1117-1124 (2017-07-05)
Earlier studies have reported the occurrence of cyclic and linear siloxanes in personal care and household products. Nevertheless, there is a lack of information on the occurrence of siloxanes in indoor air. In this study, four cyclic and six linear
Paul T J Scheepers et al.
Journal of occupational medicine and toxicology (London, England), 12, 33-33 (2017-12-14)
In most reported cases of lung trauma with water proofing products, volatile organic compounds (VOC) have a prominent role. Here we report on a case involving ten workers exposed to a sprayed product containing nanoparticles in a water solution with

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