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424471

Sigma-Aldrich

1,2,3,4-Tetramethyl-1,3-cyclopentadiene

~85%

Sinônimo(s):

1,2,3,4-Tetramethylcyclopentadiene

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About This Item

Fórmula empírica (Notação de Hill):
C9H14
Número CAS:
4249-10-9
Peso molecular:
122.21
Número MDL:
MFCD00145385
Código UNSPSC:
12352100
ID de substância PubChem:
24866570
NACRES:
NA.22
Preço e disponibilidade não estão disponíveis no momento.

Ensaio

~85%

Nível de qualidade

100

Formulário

liquid

índice de refração

n20/D 1.472 (lit.)

p.e.

142 °C (lit.)

densidade

0.808 g/mL at 25 °C (lit.)

cadeia de caracteres SMILES

CC1=C(C)C(C)=C(C)C1

InChI

1S/C9H14/c1-6-5-7(2)9(4)8(6)3/h5H2,1-4H3

chave InChI

VNPQQEYMXYCAEZ-UHFFFAOYSA-N

Categorias relacionadas

Descrição geral

1,2,3,4-Tetramethyl-1,3-cyclopentadiene is a tetra substituted 1,3-cyclopentadiene. It participates in the synthesis of resin-bound tetramethylcyclopentadienes.[1]

Aplicação

1,2,3,4-Tetramethyl-1,3-cyclopentadiene may be used as a starting material in the synthesis of 1,7,8,9-tetramethyl-4-oxa-tricyclo[5.2.1.02,6]dec-8-ene-3,5-dione.[2]

Outras notas

remainder mixture of isomers

Pictogramas

Flame
GHS02

Palavra indicadora

Warning

Frases de perigo

H226

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)

107.6 °F - closed cup

Ponto de fulgor (°C)

42 °C - closed cup

Equipamento de proteção individual

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

Escolha uma das versões mais recentes:

Certificados de análise (COA)

Lot/Batch Number
0000417573
0000417573
0000409582
0000409582
0000294821

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Se precisar de uma versão específica, você pode procurar um certificado específico pelo número do lote ou da remessa.

Pesquise por COA

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Selvan Demir et al.
Nature communications, 8(1), 2144-2144 (2017-12-17)
Increasing the operating temperatures of single-molecule magnets-molecules that can retain magnetic polarization in the absence of an applied field-has potential implications toward information storage and computing, and may also inform the development of new bulk magnets. Progress toward these goals
The synthesis of resin-bound tetramethylcyclopentadienes: an evaluation of two methodologies.
Shearer AS and de Miguel YR.
Tetrahedron Letters, 47(4), 447-450 (2006)
Synthesis of 4-Amino-1, 7, 8, 9-tetramethyl-4-aza-tricyclo [5.2. 1.02,6] dec-8-ene-3, 5-dione.
Struga M and Kossakowski J.
Molbank, 2007(2), M534-M534 (2007)

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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