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10836

Silicone oil

AR 20, viscosity ~20 mPa.s,   neat(25 °C)

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

Synonim(y):

Poly(dimethylsiloxane-co-methylphenylsiloxane), Silicone fluid

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Rozmiar/SKUDostępnośćCena netto
100 mL
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339,00 zł
500 mL
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1240,00 zł

Informacje o tej pozycji

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

339,00 zł


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Nazwa produktu

Silicone oil AR 20, viscosity ~20 mPa.s,   neat(25 °C)

refractive index

n20/D 1.441-1.445

Quality Segment

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)
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Ta pozycja
854191083410842
description

viscosity ~20 mPa.s,   neat(25 °C)

description

viscosity ~200 mPa.s,   neat(25 °C)

description

viscosity ~100 mPa.s,   neat(25 °C)

description

viscosity ~1000 mPa.s,   neat(25 °C)

viscosity

~20 mPa.s, neat(25 °C)

viscosity

~200 mPa.s, neat(25 °C)

viscosity

~100 mPa.s, neat(25 °C)

viscosity

~1000 mPa.s, neat(25 °C)

refractive index

n20/D 1.441-1.445

refractive index

n20/D 1.453

refractive index

n20/D 1.422

refractive index

n20/D 1.512

Quality Level

200

Quality Level

100

Quality Level

100

Quality Level

100

density

1.000-1.020 g/mL at 20 °C

density

1.05 g/mL at 20 °C

density

0.995 g/cm3

density

1.09 g/mL at 20 °C


Still not finding the right product?

Explore all of our products under Silicone oil AR 20


Klasa składowania

10 - Combustible liquids

Co się dzieje?

WGK 3

Temperatura zapłonu (°F)

338.0 °F - Not applicable

Temperatura zapłonu (°C)

170 °C - Not applicable

PPE (środki ochrony indywidualnej)

Eyeshields, Gloves



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Certyfikaty analizy (CoA)

Lot/Batch Number

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Questions

1–5 of 5 Questions  
  1. 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/418/501/product-dating-information-06-25-mk.pdf

      Helpful?

  2. What is the upper temperature limit?

    1 answer
    1. The recommended working temperature range of this material is -50°C to +230°C. The performance at temperatures above 230°C has not been determined.

      Helpful?

  3. 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?

  4. 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?

  5. 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

Active Filters

  1. Cardiff
    • Review 1
    • Votes 10
    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 Merck KGaA:

      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!