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Merck

469319

Poly(dimethylsiloxane)

viscosity 1.0 cSt (25 °C)

Synonym(s):

Octamethyltrisiloxane

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About This Item

Linear Formula:
[(CH3)3SiO]2Si(CH3)2
CAS Number:
Molecular Weight:
236.53
UNSPSC Code:
12162002
NACRES:
NA.23
PubChem Substance ID:
EC Number:
203-497-4
Beilstein/REAXYS Number:
1753063
MDL number:
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vapor density

>1 (vs air)

Quality Level

refractive index

n20/D 1.384 (lit.)

viscosity

1.0 cSt(25 °C)

bp

153 °C (lit.)

mp

−82 °C (lit.)

density

0.82 g/mL at 25 °C (lit.)

SMILES string

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

InChI

1S/C8H24O2Si3/c1-11(2,3)9-13(7,8)10-12(4,5)6/h1-8H3

InChI key

CXQXSVUQTKDNFP-UHFFFAOYSA-N

General description

Poly(dimethylsiloxane) (PDMS), also known as dimethicone, is an organosilicon compound that is widely used as a siloxane based elastomer. It is a hydrophobic material with attractive physical and chemical properties such as elasticity, optical transparency, tunable surface chemistry, and low electrical conductivity.

Application

PDMS can be used in microfluidic devices, nanolithography, and other membrane based applications.


pictograms

Flame

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

84.2 °F - (External MSDS)

flash_point_c

29 °C - (External MSDS)

ppe

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

signalword

Danger

Hazard Classifications

Flam. Liq. 3 - vPvB


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

107-51-7

CAS No.


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Electrospinning of poly (dimethylsiloxane)/poly (methyl methacrylate) nanofibrous membrane: Fabrication and application in protein microarrays
Yang D, et al.
Biomacromolecules, 10(12), 3335-3340 (2009)
Electrokinetic control of fluid flow in native poly (dimethylsiloxane) capillary electrophoresis devices
Ocvirk G, et al.
Electrophoresis, 21(1), 107-115 (2000)
Shimao Fang et al.
Journal of the science of food and agriculture, 99(9), 4344-4352 (2019-03-05)
Keemun black tea (KBT) is one of the most popular tea beverages in China as a result of its unique flavor and potential health benefits. The geographical origin of KBT influences its quality and price. The present study aimed to