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Sigma-Aldrich

Tris(trimethylsilyl)silane

97%

Sinônimo(s):

1,1,1,3,3,3-Hexamethyl-2-trimethylsilyl-trisilane, TTMSS

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About This Item

Fórmula linear:
[(CH3)3Si]3SiH
Número CAS:
1873-77-4
Peso molecular:
248.66
Beilstein:
1923953
Número MDL:
MFCD00077893
Código UNSPSC:
12161700
ID de substância PubChem:
24861995
NACRES:
NA.22

R$ 1.053,00

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Nível de qualidade

100

Ensaio

97%

Formulário

liquid

adequação da reação

reagent type: reductant

índice de refração

n20/D 1.489 (lit.)

p.e.

73 °C/5 mmHg (lit.)

densidade

0.806 g/mL at 25 °C (lit.)

cadeia de caracteres SMILES

C[Si](C)(C)[SiH]([Si](C)(C)C)[Si](C)(C)C

InChI

1S/C9H28Si4/c1-11(2,3)10(12(4,5)6)13(7,8)9/h10H,1-9H3

chave InChI

SQMFULTZZQBFBM-UHFFFAOYSA-N

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Descrição geral

Tris(trimethylsilyl)silane is an organosilicon generally used as a radical reducing agent for xanthates, organic halides, isocyanides, selenides, and acid chlorides. It is also used for hydrosilylation of alkenes, alkynes, and dialkyl ketones.[1][2][3]

Aplicação

Super Silyl Protecting Groups

Used in:
  • Hydrosilylations
  • Radical reactions
  • Reductions of acid chlorides
  • Reductions of carbon-halogen bonds
  • Hydrosilations of carbonyls

  • Another common application involves the use of the tris(trimethylsilyl)silyl (TTMSS, or super silyl) group when complexed with transition metals and main group elements

  • More recently, the super silyl group is being utilized in carbon–carbon bond forming reactions

Pictogramas

Flame
GHS02

Palavra indicadora

Warning

Frases de perigo

H226

Declarações de precaução

P210

Classificações de perigo

Flam. Liq. 3

Código de classe de armazenamento

3 - Flammable liquids

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

131.0 °F - closed cup

Ponto de fulgor (°C)

55 °C - closed cup

Equipamento de proteção individual

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

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Certificados de análise (COA)

Lot/Batch Number
SDBB3578
STBL1125
STBK8736
STBK3948
STBJ9394

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Visite a Biblioteca de Documentos

Tris(trimethylsilyl)silane
Encyclopedia of Reagents for Organic Synthesis, Second Edition (2007)
Accounts of Chemical Research, 25, 188-188 (1992)
Tris (trimethylsilyl) silane. A new reducing agent
Chatgilialoglu C, et al.
The Journal of Organic Chemistry, 53(15), 3641-3642 (1988)
Synlett, 91-91 (1990)
Tris (trimethylsilyl) silane: an efficient hydrosilylating agent of alkenes and alkynes
Kopping B, et al.
The Journal of Organic Chemistry, 57(14), 3994-4000 (1992)
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Questions

1–2 of 2 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/449/386/product-dating-information-mk.pdf

      Helpful?

  2. 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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