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255475

Sigma-Aldrich

氮化硼试剂

powder, ~1 μm, 98%

同義詞:

Boron mononitride, Hexagonal boron nitride, White graphite

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About This Item

線性公式:
BN
CAS號碼:
分子量::
24.82
EC號碼:
MDL號碼:
分類程式碼代碼:
12352300
PubChem物質ID:
NACRES:
NA.23
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品質等級

化驗

98%

形狀

powder

粒徑

~1 μm

密度

2.29 g/mL at 25 °C (lit.)

SMILES 字串

B#N

InChI

1S/BN/c1-2

InChI 密鑰

PZNSFCLAULLKQX-UHFFFAOYSA-N

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相關類別

一般說明

六方氮化硼(hBN)具有类似于石墨的层状结构,并且可以作为单层BN片剥离。hBN应用于催化剂、光电子和半导体器件等领域。氮化硼在300K时具有约400W/mK的高导热率。[1]

應用

六角形氮化硼粉末已用于:
  • 单层氮化硼量子点的制备和发光研究。[2]
  • 稀土硼配合物。[3]
  • 氮化硼填充的聚苯并恶嗪系统,作为用于电子封装应用的导热模塑组件。[4]
  • 含硼陶瓷制品。[5]
  • 作为形成BN纳米管的原料。[6]
  • 已有对加载硅橡胶及其对热、机械和形态特性的连续影响进行了研究。[7]

儲存類別代碼

13 - Non Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves


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分析證明 (COA)

Lot/Batch Number

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存取文件庫

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
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)
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

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Catalytic water splitting produces hydrogen crucial for renewable energy, petroleum refining, and chemical industry applications like methanol production.

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

      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

      Helpful?

  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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