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MilliporeSigma

323136

Sigma-Aldrich

Trimethylboroxine

99%

Sinónimos:

2,4,6-Trimethyl-1,3,5,2,4,6-trioxatriborinane, 2,4,6-Trimethylboroxine, Methaneboronic anhydride, Trimethyl-1,3,5,2,4,6-trioxatriborinane

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1 G
$49.31
5 G
$135.00
25 G
$324.76
250 G
$2,690.00

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1 G
$49.31
5 G
$135.00
25 G
$324.76
250 G
$2,690.00

About This Item

Fórmula empírica (notación de Hill):
C3H9B3O3
Número de CAS:
Peso molecular:
125.53
Beilstein:
1757008
Número MDL:
Código UNSPSC:
12352103
ID de la sustancia en PubChem:
NACRES:
NA.22

$49.31

Precio de catálogo$53.60Ahorre 8 %
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Disponible para envío el14 de abril de 2025Detalles


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Ensayo

99%

Formulario

liquid

índice de refracción

n20/D 1.362 (lit.)

bp

78-80 °C (lit.)

mp

−38 °C (lit.)

densidad

0.898 g/mL at 25 °C (lit.)

cadena SMILES

Cb1ob(C)ob(C)o1

InChI

1S/C3H9B3O3/c1-4-7-5(2)9-6(3)8-4/h1-3H3

Clave InChI

GBBSAMQTQCPOBF-UHFFFAOYSA-N

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Aplicación

Trimethylboroxine (TMB) is a cyclic anhydride of methyl-boronic acid. It can be been used:
  • As a derivatizing agent for gas chromatographic/mass spectrometric analysis.[1]
  • In the preparation of methylaluminoxane (MAO) which is used in the polymerization of olefins.[2]
  • As an electrolyte additive to enhance the interface stability of electrode/electrolyte.[3]
  • In methylation of aryl halides by palladium-catalyzed Suzuki-Miyaura coupling reaction.[4]
  • In the preparation of CBS (Corey, Bakshi and Shibata) catalysts for asymmetric reductions of ketones to alcohols.[5]

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Descripción
Precios

Pictogramas

FlameCorrosion

Palabra de señalización

Danger

Frases de peligro

Clasificaciones de peligro

Flam. Liq. 2 - Skin Corr. 1B

Código de clase de almacenamiento

3 - Flammable liquids

Clase de riesgo para el agua (WGK)

WGK 3

Punto de inflamabilidad (°F)

15.8 °F - closed cup

Punto de inflamabilidad (°C)

-9 °C - closed cup

Equipo de protección personal

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


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Certificados de análisis (COA)

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Visite la Librería de documentos

Polymer, 37, 4629-4629 (1996)
Enhanced high voltage performances of layered lithium nickel cobalt manganese oxide cathode by using trimethylboroxine as electrolyte additive
Yu Q, et al.
Electrochimica Acta, 176(14), 919-925 (2015)
Reactivity of metallocene catalysts for olefin polymerization: influence of activator nature and structure
Pedeutour JN
Macromolecular Rapid Communications, 22(14), 1095-1123 (2001)
Practical methylation of aryl halides by Suzuki-Miyaura coupling.
Gray M, et al.
Tetrahedron Letters, 41(32), 6237-6240 (2000)
Tetrahedron Asymmetry, 14, 2115-2118 (2003)

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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