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469319

Sigma-Aldrich

Poly(dimethylsiloxane)

viscosity 1.0 cSt (25 °C)

Sinónimos:

Octamethyltrisiloxane

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About This Item

Fórmula lineal:
[(CH3)3SiO]2Si(CH3)2
Número de CAS:
107-51-7
Peso molecular:
236.53
Beilstein:
1753063
Número CE:
203-497-4
Número MDL:
MFCD00008264
Código UNSPSC:
12162002
ID de la sustancia en PubChem:
24870584
NACRES:
NA.23
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densidad de vapor

>1 (vs air)

Nivel de calidad

100

índice de refracción

n20/D 1.384 (lit.)

viscosidad

1.0 cSt(25 °C)

bp

153 °C (lit.)

mp

−82 °C (lit.)

densidad

0.82 g/mL at 25 °C (lit.)

cadena SMILES

C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C

InChI

1S/C8H24O2Si3/c1-11(2,3)9-13(7,8)10-12(4,5)6/h1-8H3

Clave InChI

CXQXSVUQTKDNFP-UHFFFAOYSA-N

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Descripción general

Poly(dimethylsiloxane) (PDMS), also known as dimethicone, is an organosilicon compound that is widely used as a siloxane based elastomer. It is a hydrophobic material with attractive physical and chemical properties such as elasticity, optical transparency, tunable surface chemistry, and low electrical conductivity.[1][2][3]

Aplicación

PDMS can be used in microfluidic devices,[4] nanolithography,[5] and other membrane based applications.[6][7]

Pictogramas

Flame
GHS02

Palabra de señalización

Warning

Frases de peligro

H226

Clasificaciones de peligro

Flam. Liq. 3

Código de clase de almacenamiento

3 - Flammable liquids

Clase de riesgo para el agua (WGK)

WGK 3

Punto de inflamabilidad (°F)

84.2 °F - (External MSDS)

Punto de inflamabilidad (°C)

29 °C - (External MSDS)

Equipo de protección personal

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Certificados de análisis (COA)

Lot/Batch Number
MKCN4821
MKCF5823
MKBW1823V
MKBL6189V
MKBF7256V

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Si necesita una versión concreta, puede buscar un certificado específico por el número de lote.

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Polylactide- poly (dimethylsiloxane)- polylactide triblock copolymers as multifunctional materials for nanolithographic applications
Rodwogin MD, et al.
ACS Nano, 4(2), 725-732 (2010)
Man Xu et al.
Journal of food science, 84(8), 2171-2180 (2019-07-18)
Amadori rearrangement product (ARP) derived from glutamic acid (Glu) and xylose (Xyl) was prepared by aqueous Maillard reaction. Subsequently, ion exchange chromatography, MS, and NMR were used for purification and identification, confirming that the molecular formula of ARP was C10
Components for integrated poly (dimethylsiloxane) microfluidic systems
Ng JMK
Electrophoresis, 23(20), 3461-3473 (2002)
Soyoung Hong et al.
Polymers, 11(5) (2019-05-06)
The vascularization of three-dimensional (3D) tissue constructs is necessary for transporting nutrients and oxygen to the component cells. In this study, a vacuum forming method was applied to emboss a vascular pattern on an electrospun membrane so that guided vascular
Fabrication of microfluidic systems in poly (dimethylsiloxane)
McDonald JC, et al.
Electrophoresis, 21(1), 27-40 (2000)
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Questions

1–3 of 3 Questions  

  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

      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. I would like to ask if this PDMS consists of curing agent. Please inform the curing condition of the PDMS.

    1 answer

    1. This product doesn't include curing agent. The curing condition depends on which curing agent is applied. One common curing agent is supplied by Dow Chemical: Sylgard 184. It could cure and cross-link the polymer when mixed in a certain ratio under room temperature, or gently heating for faster cure.

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