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Merck
CN

433012

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:
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12162002
MDL number:
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Product Name

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

InChI

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

SMILES string

C[Si](C)=O

InChI key

BITPLIXHRASDQB-UHFFFAOYSA-N

form

liquid

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.)

Quality Level

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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

10 - Combustible liquids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves


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Articles

Self-assembled monolayers (SAMs) have diverse applications; article compares benefits of alkylthiolates on gold SAM systems.

Self-healing soft electronic materials enable autonomous repair, reducing waste and costs in electronic devices.

Related Content

We offer PDMS surface modification kit which allows for durable hydrophilization of various polydimethylsiloxane (PDMS) surfaces.

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