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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 Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

338.0 °F - Not applicable

Flash Point(C)

170 °C - Not applicable

Personal Protective Equipment

dust mask type N95 (US), 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)
Formation of droplet interface bilayers in a Teflon tube
Walsh E, et al.
Scientific reports, 6(2), 34355-34355 (2016)
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
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
C Eckardt et al.
Ophthalmologica. Journal international d'ophtalmologie. International journal of ophthalmology. Zeitschrift fur Augenheilkunde, 201(3), 133-139 (1990-01-01)
Different methylphenylsilicone (MPS) and fluorosilicone (FS) oils having a higher specific gravity than water were investigated as vitreous replacements. Their intraocular tolerance in vitrectomized aphakic rabbit eyes was evaluated for periods of up to 4 months and compared to that

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