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Sigma-Aldrich

Silicone oil AR 20

viscosity ~20 mPa.s,   neat(25 °C)

Synonym(s):

Polyphenyl-methylsiloxane

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About This Item

CAS Number:
MDL number:
UNSPSC Code:
12352103
NACRES:
NA.22

refractive index

n20/D 1.441-1.445

viscosity

~20 mPa.s, neat(25 °C)

density

1.000-1.020 g/mL at 20 °C

General description

Silicone oil AR 20 is a polydimethylsiloxane with phenyl groups that is commonly used as a heat transfer or pressure transfer fluid.

Application

Silicone oil AR 20 has been used:
  • As a Segmenting fluid in polymerase chain reaction (PCR).
  • In hollow fiber liquid-phase microextraction (LPME) procedure for extraction of hydrophobic drugs from human breast milk.
  • As a fluid to demonstrate pores in droplet interface bilayers (DIBs).

Features and Benefits

Especially good thermostability (-50°C to +230°C)

Storage Class

10 - Combustible liquids

wgk_germany

WGK 3

flash_point_f

338.0 °F - Not applicable

flash_point_c

170 °C - Not applicable

ppe

Eyeshields, Gloves


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Liquid-phase microextraction of drugs from human breast milk
Bj?rhovde, A, et al.
Analytica Chimica Acta, 491(2), 155-161 (2003)
E J Walsh et al.
Biomedical microdevices, 7(4), 269-272 (2006-01-13)
This paper evaluates the compatibility of segmenting fluids for two phase flow applications in biomedical microdevices. The evaluated fluids are chosen due to the variations in fluid properties and cost, while also reflecting their use in the recent literature. These
Formation of droplet interface bilayers in a Teflon tube
Walsh E, et al.
Scientific reports, 6(2), 34355-34355 (2016)
Helena L E Coker et al.
Biophysical journal, 116(6), 1085-1094 (2019-03-09)
Diffusion in cell membranes is not just simple two-dimensional Brownian motion but typically depends on the timescale of the observation. The physical origins of this anomalous subdiffusion are unresolved, and model systems capable of quantitative and reproducible control of membrane
Experience with a silicone resin (polymethylphenylsiloxane) hard contact lens.
H Magatani et al.
The CLAO journal : official publication of the Contact Lens Association of Ophthalmologists, Inc, 9(3), 261-266 (1983-07-01)

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