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poly(dimethylsiloxane) cas 9016-00-6


CAS NO.:9016-00-6

MolecularFormula: C5H6Si

Molecular Weight: 94.18664

Appearance: A colorlessviscousliquid



Poly(dimethylsiloxane) Quick Details

Chemical Name:Poly(dimethylsiloxane)

CAS NO.: 9016-00-6

Molecular Formula: C5H6Si

Molecular Weight: 94.18664

Appearance: A colorless viscous liquid

Poly(dimethylsiloxane) Typical Properties

Test Items Specification Test Results
Color And Appearance Colorless liquid Conform
Odor Non Conform
Density 0.850 ~ 1.050 0.950
Viscosity 10-1000m/Pa 200m/Pa
Densities ≤ 0.05% 0.0011%
Refractive Index 1.4005-1.4045 1.4041
LOD Not more than 2.0% 0.8%
Heavy Metals No more than 0.0005% Passed
Arsenic Salt No more than 0.0002% Passed
Conclusion Testing Results As Standard of In house

Poly(dimethylsiloxane) Usage

1. Silicones are polymeric materials having silicon and oxygen on their composition. They are largely inert compounds usually heat-resistant, nonstick, and rubberlike.

2. Polydimethylsiloxane (PDMS, molecular formula (C2H6OSi)n, density 965 kg/m3, boiling point: < 200℃, shear modulus between 100 kPa and 3 MPa, loss tangent less than 0.001) is a viscoelastic polymer (elastomer).

3. PDMS is widely used in microfluidic technology thanks to some of its unique properties: it is low cost, nontoxic, chemically resistant, and stable against humidity and temperature variations.

4. PDMS also presents low interfacial energy, which allows it to avoid chemical interactions with other polymers and solutions in the microfluidic channels. After polymerization and cross-linking, solid PDMS presents hydrophobic surface. A treatment using plasma oxidation is frequently used to alter the surface chemistry by adding silanol (SiOH) groups to the surface terminations and make the surface hydrophilic (wettable).

5. PDMS is usually used as sealant, structural microchannel material or elastomer stamping matrix in soft lithography techniques like microcontact printing and micromolding.

6. Poly(dimethylsiloxane) is an antifoaming agent used in fats and oils. It prevents foaming and spattering when oils are heated and prevents foam formation during the manufacture of wine, refined sugar, gelatin, and chewing gum. It is also termed methyl polysilicone and methyl silicone.

Poly(dimethylsiloxane) Packaging and Shipping


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