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433012

Sigma-Aldrich

Poly(dimethylsiloxane), vinyl terminated

average Mw ~25,000, viscosity 850-1,150 cSt (25 °C)(lit.)

Synonym(s):

PDMS

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About This Item

CAS Number:
68083-19-2
MDL number:
MFCD00197935
UNSPSC Code:
12352300
PubChem Substance ID:
24867115
NACRES:
NA.23

form

liquid

Quality Level

100

mol wt

average Mw ~25,000
average Mw ~25,000

refractive index

n20/D 1.4052

viscosity

850-1,150 cSt(25 °C)(lit.)

bp

>93 °C (lit.)

iodine value

2.2‑3.5

density

0.965 g/mL at 25 °C (lit.)

SMILES string

C[Si](C)=O

InChI

1S/C8H18OSi2/c1-7-10(3,4)9-11(5,6)8-2/h7-8H,1-2H2,3-6H3

InChI key

BITPLIXHRASDQB-UHFFFAOYSA-N

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Application

Mold-making elastomers and encapsulants and sealants for electronic components.

Features and Benefits

Polymerized product provides non-corrosive shield against moisture, dirt and contaminants for electrical components. Polymer may be heat or room temperature cured. Polymerization produces no volatile gases.

Physical form

Divinyl functional reactive silicone fluid.

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Articles

Organic Optoelectronics on Shape Memory Polymers

Advances in the area of soft optoelectronics, with a focus on the development of organic optoelectronic devices on shape memory polymers (SMP) is discussed.

Micro and Nanometer Scale Photopatterning of Self-Assembled Monolayers

Self-assembled monolayers (SAMs) have attracted enormous interest for a wide variety of applications in micro- and nano-technology. In this article, we compare the benefits of three different classes of SAM systems (alkylthiolates on gold).

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

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