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241903

Sigma-Aldrich

Aluminum nitride

powder, 10 μm, ≥98%

Synonym(s):

Aluminium nitride, Azanylidynealumane

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About This Item

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

Storage Class Code

4.3 - Hazardous materials which set free flammable gases upon contact with water

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)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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)
Band structure and fundamental optical transitions in wurtzite AlN
Li, Jing, et al.
Applied Physics Letters, 83(25), 5163-5165 (2003)
Advanced ceramic matrix composites for high energy x-ray generation
Khan, Amir Azam and Labbe, Jean Claude
10th Internatl. Conf. on Organic Synthesis, Bangalore, India, December 1994, 2(4), 045015-045015 (2012)
Graphene platelets/aluminium nitride metacomposites with double percolation property of thermal and electrical conductivity
Yin, Rui et al.
J. Eur. Ceram. Soc., 38(14), 4701-4706 (2018)
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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