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Sigma-Aldrich

Siliconöl AR 20

Silicone oil AR 20
1 of 1 reviewers received a sample product or took part in a promotion

viscosity ~20 mPa.s,   neat(25 °C)

Synonym(e):

Polyphenyl-methylsiloxan

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100 ML
CHF 64.30
500 ML
CHF 255.00

CHF 64.30

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100 ML
CHF 64.30
500 ML
CHF 255.00

About This Item

CAS-Nummer:
63148-58-3
MDL-Nummer:
MFCD00148386
UNSPSC-Code:
12352103
NACRES:
NA.22

CHF 64.30

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Brechungsindex

n20/D 1.441-1.445

Viskosität

~20 mPa.s, neat(25 °C)

Dichte

1.000-1.020 g/mL at 20 °C

Verwandte Kategorien

Allgemeine Beschreibung

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

Anwendung

Silicone oil AR 20 has been used:
  • As a Segmenting fluid in polymerase chain reaction (PCR).[1]
  • In hollow fiber liquid-phase microextraction (LPME) procedure for extraction of hydrophobic drugs from human breast milk.[2]
  • As a fluid to demonstrate pores in droplet interface bilayers (DIBs).[3]

Leistungsmerkmale und Vorteile

speziell gute Thermostabilität (−50-+230°C)

Lagerklassenschlüssel

10 - Combustible liquids

WGK

WGK 3

Flammpunkt (°F)

338.0 °F - Not applicable

Flammpunkt (°C)

170 °C - Not applicable

Persönliche Schutzausrüstung

Eyeshields, Gloves

Hier finden Sie alle aktuellen Versionen:

Analysenzertifikate (COA)

Lot/Batch Number
BCCH1250
MKCH4570
BCBX3943
BCBM3575V
BCBQ3533V

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Siliconöl

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
O Gyllenhaal et al.
Journal of chromatography, 516(2), 415-426 (1990-09-21)
The supercritical fluid chromatography of intact aliphatic amines with different columns is described. One group of amines was based on N,N-dimethyl-n-octylamine and related primary and secondary amines, and the other on the amino alcohol metoprolol and several of its analogues.
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Questions

1–4 of 4 Questions  

  1. What is the chemical structure of AR 20?

    1 answer

    1. The silicone oil AR 20 is Polyphenyl-methylsiloxane. The chemical structure can be viewed in the attached image.

      Helpful?

  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

      Helpful?

  3. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

      Helpful?

  4. Is this oil suitable for diffusion pump

    1 answer

    1. This product is a polydimethylsiloxane with phenyl groups that is commonly used as a heat transfer or pressure transfer fluid. Unfortunately, it hasn't been tested for diffusion pump applications.

      Helpful?

Reviews

1 of 1 reviewers received a sample product or took part in a promotion

Active Filters

  1. Cardiff
    • Review 1
    • Votes 9
    1 out of 5 stars.

    Much worse than the old stuff!

    We use a lot of silicone oil in our lab, so bought this product in bulk. Each bottle has separated and has bits in the bottom, which interferes massively with our imaging- especially single molecule work. It's a good day when we find an aliquot of the old silicone oil (also purchased from Sigma), as it is much better quality and does not interfere with our imaging techniques.

    Helpful?

    1. Response from MilliporeSigma:

      Thank you for taking the time to leave a review! We are sorry to hear that your experience with this product did not meet expecations. We would like to investigate the differences you observed with this product compared to a previous delivery. When you have a moment, please contact us by visiting https://www.sigmaaldrich.com/support/customer-support and submit a Report Product Issue ticket. We look forward to hearing from you soon!

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