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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

Quality Level

viscosity

~20 mPa.s, neat(25 °C)

density

1.000-1.020 g/mL at 20 °C

Related Categories

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)

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(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
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
H Kriegs et al.
The Journal of chemical physics, 124(10), 104901-104901 (2006-03-18)
In some polymers, in addition to the usual structural alpha relaxation, a slower alpha' relaxation is observed with a non-Arrhenius temperature dependence. In order to understand better the molecular origin of this alpha' relaxation in poly(methylphenylsiloxane) (PMPS) we have studied

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