469319

Sigma-Aldrich

Poly(dimethylsiloxane)

viscosity 1.0 cSt (25 °C)

Synonym(s):
Octamethyltrisiloxane
Linear Formula:
[(CH3)3SiO]2Si(CH3)2
CAS Number:
Molecular Weight:
236.53
Beilstein/REAXYS Number:
1753063
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

Quality Level

vapor density

>1 (vs air)

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

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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.

Packaging

50 mL in glass bottle

Pictograms

Flame

Signal Word

Warning

Hazard Statements

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

UN 1993C 3 / PGIII

WGK Germany

WGK 3

Flash Point(F)

84.2 °F - (External MSDS)

Flash Point(C)

29 °C - (External MSDS)

Certificate of Analysis

Certificate of Origin

Electrokinetic control of fluid flow in native poly (dimethylsiloxane) capillary electrophoresis devices
Ocvirk G, et al.
Electrophoresis, 21(1), 107-115 (2000)
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)
Chong In Shin et al.
Pharmaceutics, 11(7) (2019-08-03)
The stratum corneum is the outermost skin layer that obstructs the delivery of active ingredients found in cosmeceutical products. Chemical peels and microbeads have been used to overcome this layer, but these methods can cause side effects and are not...
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...
Jianye Ji et al.
Polymers, 11(7) (2019-07-07)
Methoxyl-capped MQ silicone resin (MMQ) was first synthesized by the hydrosilylation of vinyl-containing MQ silicone resin and trimethoxysilane and then used in condensed room-temperature vulcanized (RTV) silicone rubber as a self-reinforced cross-linker. Results show that modified silicone rubber exhibits good...
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