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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

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)

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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