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241903

Sigma-Aldrich

Aluminum nitride

powder, 10 μm, ≥98%

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Synonym(s):
Aluminium nitride, Azanylidynealumane
Linear Formula:
AlN
CAS Number:
24304-00-5
Molecular Weight:
40.99
EC Number:
246-140-8
MDL number:
MFCD00003429
UNSPSC Code:
12352300
PubChem Substance ID:
24854500
NACRES:
NA.23

Assay

≥98%

form

powder

particle size

10 μm

mp

>2200 °C (lit.)

density

3.26 g/mL at 25 °C (lit.)

SMILES string

N#[Al]

InChI

1S/Al.N

InChI key

PIGFYZPCRLYGLF-UHFFFAOYSA-N

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General description

Aluminum Nitride(AlN) is a non-oxide semiconductor material with a hexagonal Wurtzite crystal structure. It has a wide direct bandgap of 6.12 eV. AIN is a suitable additive in making thermal grease and electric cable insulation owing to its very high thermal conductivity (300 W/(m. K)) and electrical resistivity. It is also used in microelectronics, electroluminescent devices, and sensors because of its non-toxicity, superior thermal, electrical, mechanical, and chemical properties.

Application

Aluminum Nitride can be used as a:
  • ceramic material in the preparation of nano capsulated phase change material for building thermal management systems.
  • matrix in the preparation of metacomposites along with graphene platelets to improve their thermal conductive properties.
  • foaming agent in the preparation of foam glass using glass waste.
It is also used to prepare ceramic matrix composite material along with molybdenum to generate high-energy X-rays.

Pictograms

Health hazardEnvironment
GHS08,GHS09

Signal Word

Danger

Hazard Statements

H372,H410

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - STOT RE 1 Inhalation

Target Organs

Lungs

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Band structure and fundamental optical transitions in wurtzite AlN
Li, Jing, et al.
Applied Physics Letters, 83(25), 5163-5165 (2003)
Glass foams for environmental applications
R. Lebullenger, et al.
Journal of Non-Crystalline Solids, 356(44), 2562-2568 (2010)
Novel hybrid composite phase change materials with high thermal performance based on aluminium nitride and nanocapsules
Lu Wang, et al.
Energy, 238, 121775-121775 (2022)
Interaction potential for aluminum nitride: A molecular dynamics study of mechanical and thermal properties of crystalline and amorphous aluminum nitride
Vashishta, et al.
Journal of Applied Physics, 109(3), 033514-033514 (2011)
Experimental investigation on thermal conductivity and viscosity of aluminum nitride nanofluid
Wei Yu,et al.
Particuology, 9(2), 187-191 (2011)
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