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255475

Sigma-Aldrich

Boron nitride

powder, ~1 μm, 98%

Sinónimos:

Boron mononitride, Hexagonal boron nitride, White graphite

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50 G
US$ 212,00
250 G
US$ 780,00

US$ 212,00

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50 G
US$ 212,00
250 G
US$ 780,00

About This Item

Fórmula lineal:
BN
Número de CAS:
10043-11-5
Peso molecular:
24.82
Número CE:
233-136-6
Número MDL:
MFCD00011317
Código UNSPSC:
12352300
ID de la sustancia en PubChem:
24855457
NACRES:
NA.23

US$ 212,00

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Nivel de calidad

200

Ensayo

98%

Formulario

powder

tamaño de partícula

~1 μm

densidad

2.29 g/mL at 25 °C (lit.)

cadena SMILES

B#N

InChI

1S/BN/c1-2

Clave InChI

PZNSFCLAULLKQX-UHFFFAOYSA-N

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Descripción general

Hexagonal boron nitride (hBN) has a layered structure similar to graphite and can be exfoliated as singlelayered BN sheets. hBN has applications in catalysts, optoelectronics and semiconductor devices. Boron nitride posseses high thermal conductivity of approximately 400W/mK at 300K.[1]

Aplicación

Hexagonal boron nitride powder has been used:
  • In the fabrication and luminescence study of monolayered boron nitride quantum dots.[2]
  • Rare earth boron complexes.[3]
  • Boron nitride filled polybenzoxazine system as a thermally conducting molding components for electronic packaging applications.[4]
  • Boron containing ceramic products.[5]
  • As a starting material to form BN nanotubes.[6]
  • To load silicone rubber and its consecutive effect on its thermal, mechanical and morphological properties was studied.[7]

Código de clase de almacenamiento

13 - Non Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 3

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

Equipo de protección personal

dust mask type N95 (US), Eyeshields, Gloves

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Certificados de análisis (COA)

Lot/Batch Number
SDBB1394
STBL2581
STBL2580
STBL0664
STBK8641

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A solid-state process for formation of boron nitride nanotubes
Chen Y, et al.
Applied Physics Letters, 74(20) (1999)
Ki Kang Kim et al.
ACS nano, 6(10), 8583-8590 (2012-09-14)
Hexagonal boron nitride (h-BN) is a promising material as a dielectric layer or substrate for two-dimensional electronic devices. In this work, we report the synthesis of large-area h-BN film using atmospheric pressure chemical vapor deposition on a copper foil, followed
Augustinus Stijn M Goossens et al.
Nano letters, 12(9), 4656-4660 (2012-08-22)
We report on the fabrication and measurement of nanoscale devices that permit electrostatic confinement in bilayer graphene on a substrate. The graphene bilayer is sandwiched between hexagonal boron nitride bottom and top gate dielectrics. Top gates are patterned such that
A Erba et al.
The Journal of chemical physics, 138(5), 054906-054906 (2013-02-15)
The vibration spectrum of single-walled zigzag boron nitride (BN) nanotubes is simulated with an ab initio periodic quantum chemical method. The trend towards the hexagonal monolayer (h-BN) in the limit of large tube radius R is explored for a variety
Vibro-fluidization of fine boron nitride powder at low pressure Jeffrey R. Wank, et al., Powder technology
Wank JR, et al.
Powder Technology, 121, 195-204 (2001)
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Questions

1–3 of 3 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

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  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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  3. what does "1um" mean? thikness? or the powder size?

    1 answer

    1. 1 micron is the powder size, not specific to thickness.

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