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Sigma-Aldrich

Hexamethylcyclotrisiloxane

98%

Sinonimo/i:

Cyclic (D3) permethylsiloxane

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25 G
CHF 43.20
100 G
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About This Item

Formula empirica (notazione di Hill):
C6H18O3Si3
Numero CAS:
Peso molecolare:
222.46
Numero CE:
Numero MDL:
Codice UNSPSC:
12352103
ID PubChem:
NACRES:
NA.22

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Densità del vapore

1 (vs air)

Saggio

98%

Stato

solid

P. ebollizione

134 °C (lit.)

Punto di fusione

50-64 °C (lit.)

Stringa SMILE

C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O1

InChI

1S/C6H18O3Si3/c1-10(2)7-11(3,4)9-12(5,6)8-10/h1-6H3
HTDJPCNNEPUOOQ-UHFFFAOYSA-N

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Applicazioni

Hexamethylcyclotrisiloxane (D3) can be used in the synthesis of:
  • Polysiloxanes by anionic ring-opening polymerization.[1]        
  • Thin films by pulsed- plasma-enhanced chemical vapor deposition (PECVD) for the application of insulating biomaterials.[2]
  •  Dimethoxydimethylsilane by treating with dimethyl carbonate via deoligomerization using alkali metal hydroxide catalyst.[3]

Pittogrammi

Flame

Avvertenze

Danger

Indicazioni di pericolo

Consigli di prudenza

Classi di pericolo

Flam. Sol. 1

Codice della classe di stoccaggio

4.1B - Flammable solid hazardous materials

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

95.0 °F - closed cup

Punto d’infiammabilità (°C)

35 °C - closed cup

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Gloves, type P3 (EN 143) respirator cartridges


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Certificati d'analisi (COA)

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I clienti hanno visto anche

Slide 1 of 5

1 of 5

A S Chawla
Biomaterials, 2(2), 83-88 (1981-04-01)
Silicone coated Celgard-2400 and Silastic membranes were prepared by plasma polymerization of hexamethylcyclotrisiloxane. The adhesion of canine platelets and leucocytes was tested by passing whole blood from the anaesthetized mongrel dog in an ex-vivo shunt system. The silicone control Celgard
Anionic polymerization of hexamethylcyclotrisiloxane with acetylacetone initiator to form telechelic polymer
Kumar A and Eichinger BE
Macromolecules, 23(26), 5358-5358 (1990)
Living anionic polymerization of hexamethylcyclotrisiloxane (D3) using functionalized initiation.
Elkins C L and Long T E
Macromolecules, 37(17), 6657-6659 (2004)
Deoligomerization of siloxanes with dimethyl carbonate over solid-base catalysts
Okamoto M, et al.
Chemical Communications (Cambridge, England), (18), 1838-1839 (2001)
Robust block copolymer mask for nanopatterning polymer films.
Chao C C, et al.
ACS Nano, 4(4), 2088-2094 (2010)

Questions

1–2 of 2 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

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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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