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Sigma-Aldrich

Silicone oil

viscosity 5 cSt (25 °C)

Synonym(s):

PDMS, Polydimethylsiloxane

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About This Item

Linear Formula:
[-Si(CH3)2O-]n
CAS Number:
63148-62-9
MDL number:
MFCD00132673
UNSPSC Code:
12162002
NACRES:
NA.23

vapor density

>1 (vs air)

vapor pressure

<5 mmHg ( 25 °C)
5 mmHg ( 20 °C)

form

liquid

refractive index

n20/D 1.403 (lit.)

viscosity

5 cSt(25 °C)

bp

>140 °C/0.002 mmHg (lit.)

density

0.913 g/mL at 25 °C

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General description

Silicone oil is low viscosity liquid polymerized siloxanes with organic side chains.

Application

Low viscosity silicone oil has been used to prepare cellulose based electrorheological particles for medical devices. The diffusive behavior of spreading of a silicone oil polymer on solid surfaces was studied. It was also used to investigate Marangoni flow, induced by two liquid droplets on a solid surface, exposed in air. Many diverse applications of silicone oil are as heat exchangers, hydrophobic coating of glass, ceramics, textiles and leathers, component of salves.

Storage Class

10 - Combustible liquids

wgk_germany

WGK 1

flash_point_f

>214.0 °F - closed cup

flash_point_c

> 101.1 °C - closed cup

ppe

Eyeshields, Gloves

Certificates of Analysis (COA)

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Chasing drops: following escaper and pursuer drop couple system
Bahadur P, et al.
Journal of Colloid and Interface Science, 332(2), 455-460 null
Dielectric Analysis of Response Time in Electrorheological Fluids Developed for Medical Devices
American Journal of Analytical Chemistry, 2(2), 85-85 (2011)
Pawlenko S
Organosilicon Chemistry null
Peter Nirmalraj et al.
Scientific reports, 8(1), 10763-10763 (2018-07-19)
Surface contamination and the formation of water bridge at the nanoscopic contact between an atomic force microscope tip and cell surface limits the maximum achievable spatial resolution on cells under ambient conditions. Structural information from fixed intestinal epithelial cell membrane
Diffusive two-dimensional spreading of a polymer
Albrecht U, et al.
Surface Science, 283(1), 383-386 (1993)
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