769290
Aluminum oxide
powder, ultra dry
Synonym(s):
Alumina
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About This Item
Linear Formula:
Al2O3
CAS Number:
Molecular Weight:
101.96
EC Number:
MDL number:
UNSPSC Code:
12352311
PubChem Substance ID:
NACRES:
NA.23
Recommended Products
Quality Level
form
powder
surface area
120-190 m2/g
impurities
≤0.5% substances extractable by water
loss
≤1.0% loss on ignition
particle size
>0.063, coeff var ≥72%
<0.063 mm, coeff var ≤28%
>2 mm, coeff var ≤2%
mp
2040 °C (lit.)
bulk density
950‑1100 g/L
anion traces
chloride (Cl-): ≤0.015%
sulfate (SO42-): ≤0.05%
cation traces
As: ≤0.0005%
Fe: ≤0.02%
SMILES string
O=[Al]O[Al]=O
InChI
1S/2Al.3O
InChI key
TWNQGVIAIRXVLR-UHFFFAOYSA-N
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Application
Owing to its high hardness, chemical stability and thermal conductivity, alumina finds applications as filler for metals and plastics. It also finds applications in paints, polisher and cosmetics.
Storage Class Code
13 - Non Combustible Solids
WGK
nwg
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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