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255475

Sigma-Aldrich

Boron nitride

powder, ~1 μm, 98%

Synonym(s):

Boron mononitride, Hexagonal boron nitride, White graphite

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About This Item

Linear Formula:
BN
CAS Number:
10043-11-5
Molecular Weight:
24.82
EC Number:
233-136-6
MDL number:
MFCD00011317
UNSPSC Code:
12352300
PubChem Substance ID:
24855457
NACRES:
NA.23

Quality Level

200

assay

98%

form

powder

particle size

~1 μm

density

2.29 g/mL at 25 °C (lit.)

SMILES string

B#N

InChI

1S/BN/c1-2

InChI key

PZNSFCLAULLKQX-UHFFFAOYSA-N

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General description

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.

Application

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

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
STBK8641
STBK6593
STBJ9665
STBJ7099
STBJ3711

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Boron nitride rod, 25.4 mm diameter, length 25 mm, condition hot-pressed

GF13076164

Boron nitride

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
Riccardo Messina et al.
Scientific reports, 3, 1383-1383 (2013-03-12)
Thermophotovoltaic devices are energy-conversion systems generating an electric current from the thermal photons radiated by a hot body. While their efficiency is limited in far field by the Schockley-Queisser limit, in near field the heat flux transferred to a photovoltaic
Min Gao et al.
The Journal of chemical physics, 138(3), 034701-034701 (2013-01-25)
The mechanism of CO oxidation by O(2) on Au atoms supported on the pristine and defected hexagonal boron nitride (h-BN) surface has been studied theoretically using density functional theory. It is found that O(2) binds stronger than CO on an
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)
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
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