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469319

Sigma-Aldrich

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:
107-51-7
Molecular Weight:
236.53
Beilstein:
1753063
EC Number:
203-497-4
MDL number:
MFCD00008264
UNSPSC Code:
12162002
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

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Certificates of Analysis (COA)

Lot/Batch Number
MKCN4821
MKCF5823
MKBW1823V
MKBL6189V
MKBF7256V

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Soyoung Hong et al.
Polymers, 11(5) (2019-05-06)
The vascularization of three-dimensional (3D) tissue constructs is necessary for transporting nutrients and oxygen to the component cells. In this study, a vacuum forming method was applied to emboss a vascular pattern on an electrospun membrane so that guided vascular
Shira Joudan et al.
Environmental health perspectives, 125(11), 117001-117001 (2017-11-15)
Perfluoroalkyl phosphinic acids (PFPiAs) have been detected in humans, wildlife, and various environmental matrices. These compounds have been used with perfluoroalkyl phosphonic acids (PFPAs) as surfactants in consumer products and as nonfoaming additives in pesticide formulations. Unlike the structurally related
Xiujuan Wu et al.
PLoS pathogens, 15(6), e1007897-e1007897 (2019-06-18)
Pandemics of vector-borne human and plant diseases often depend on the behaviors of their arthropod vectors. Arboviruses, including many bunyaviruses, manipulate vector behavior to accelerate their own transmission to vertebrates, birds, insects, and plants. However, the molecular mechanism underlying this
Man Xu et al.
Journal of food science, 84(8), 2171-2180 (2019-07-18)
Amadori rearrangement product (ARP) derived from glutamic acid (Glu) and xylose (Xyl) was prepared by aqueous Maillard reaction. Subsequently, ion exchange chromatography, MS, and NMR were used for purification and identification, confirming that the molecular formula of ARP was C10
Polylactide- poly (dimethylsiloxane)- polylactide triblock copolymers as multifunctional materials for nanolithographic applications
Rodwogin MD, et al.
ACS Nano, 4(2), 725-732 (2010)
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