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469319

Sigma-Aldrich

Poly(dimethylsiloxane)

viscosity 1.0 cSt (25 °C)

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Synonym(s):
Octamethyltrisiloxane
Linear Formula:
[(CH3)3SiO]2Si(CH3)2
CAS Number:
107-51-7
Molecular Weight:
236.53
Beilstein:
1753063
EC Number:
203-497-4
MDL number:
MFCD00008264
PubChem Substance ID:
24870584
NACRES:
NA.23

vapor density

>1 (vs air)

Quality Level

100

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.

Pictograms

Flame
GHS02

Signal Word

Warning

Hazard Statements

H226

Hazard Classifications

Flam. Liq. 3

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

84.2 °F - (External MSDS)

Flash Point(C)

29 °C - (External MSDS)

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

危险化学品

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Fabrication of microfluidic systems in poly (dimethylsiloxane)
McDonald JC, et al.
Electrophoresis, 21(1), 27-40 (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
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
Yihe Wang et al.
Advanced science (Weinheim, Baden-Wurttemberg, Germany), 6(15), 1900712-1900712 (2019-08-14)
Intracytoplasmic sperm injection is a popular form of in vitro fertilization, where single sperm are selected by a clinician and injected into an egg. Whereas clinicians employ general morphology-based guidelines to select the healthiest-looking sperm, it remains unclear to what
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)
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