769290

Óxido de alúmina

powder, ultra dry

• Sinónimos: Alúmina
• Fórmula lineal: Al₂O₃
• Número de CAS: 1344-28-1
• Peso molecular: 101.96
• EC Number: 215-691-6
• MDL number: MFCD00003424
• UNSPSC Code: 12352311
• PubChem Substance ID: 329767437
• NACRES: NA.23

Propiedades

• 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

Descripción

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.

Información de seguridad

• Storage Class: 13 - Non Combustible Solids
• wgk_germany: nwg
• flash_point_f: Not applicable
• flash_point_c: Not applicable