Quality Level

100

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 (SO₄^2-): ≤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