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85409

Sigma-Aldrich

Silicone oil

Silicone oil

Sinónimos:

Dimethyl polysiloxane

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250 ML
$117.90
1 L
$358.00

$117.90

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250 ML
$117.90
1 L
$358.00

About This Item

Fórmula lineal:
[-Si(CH3)2O-]n
Número de CAS:
63148-62-9
Número MDL:
MFCD00132673
Código UNSPSC:
12352100
NACRES:
NA.21

$117.90

Precio de catálogo$131.00Ahorre 10 %
Web-Only Promotion

Disponible para envío el07 de abril de 2025Detalles

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densidad de vapor

>1 (vs air)

Nivel de calidad

100

presión de vapor

<5 mmHg ( 25 °C)
5 mmHg ( 20 °C)

Formulario

oil

índice de refracción

n20/D 1.403 (lit.)
n20/D 1.406

viscosidad

100 mPa.s(20 °C)

bp

>140 °C/0.002 mmHg (lit.)

densidad

0.967 g/mL at 20 °C

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Descripción general

Silicone oil is typically used for oil baths in research labs for reactions that require heating/reflux temperatures in the range of -50°C to +200°C. Oil baths provide more uniform heat in comparison to other heating devices.
Silicone oil is useful for the preparation of oil baths having a temperature in the range of -50°C to +200°C.

Aplicación

Silicone oil has been used for the protection of carbon steel alloy samples in a study.[1] Silicone oil has also been used as a heat reservoir during NMR (Nuclear Magnetic Resonance) analysis.[2]

Código de clase de almacenamiento

10 - Combustible liquids

Clase de riesgo para el agua (WGK)

WGK 1

Punto de inflamabilidad (°F)

214.0 °F - closed cup

Punto de inflamabilidad (°C)

101.1 °C - closed cup

Equipo de protección personal

Eyeshields, Gloves

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Certificados de análisis (COA)

Lot/Batch Number
BCCM9466
BCCM7922
BCCJ9417
BCCJ9416
BCCL1956

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Most established NMR thermometers rely on temperature-dependent chemical shift differences measured from samples that are either neat or concentrated solutions (e.g. ethylene glycol, methanol). These are unsuitable for modern cryoprobes on account of strong radiation damping resulting from the high
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Questions

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  1. 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

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  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

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