769290

Aluminum oxide

powder, ultra dry

• 동의어(들): Alumina
• Linear Formula: Al₂O₃
• CAS Number: 1344-28-1
• Molecular Weight: 101.96
• EC Number: 215-691-6
• MDL number: MFCD00003424
• UNSPSC 코드: 12352311
• PubChem Substance ID: 329767437
• NACRES: NA.23

속성

• Quality Level: 100
• 형태: powder
• 표면적: 120-190 m²/g
• 불순물: ≤0.5% substances extractable by water
• 손실: ≤1.0% loss on ignition
• 입자 크기: >0.063, coeff var ≥72%; <0.063 mm, coeff var ≤28%; >2 mm, coeff var ≤2%
• mp: 2040 °C (lit.)
• 벌크 밀도: 950‑1100 g/L
• 음이온 미량물: chloride (Cl^-): ≤0.015%; sulfate (SO₄^2-): ≤0.05%
• 양이온 미량물: As: ≤0.0005%; Fe: ≤0.02%
• SMILES string: O=[Al]O[Al]=O
• InChI: 1S/2Al.3O
• InChI key: TWNQGVIAIRXVLR-UHFFFAOYSA-N

설명

애플리케이션

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.

안전성 정보

• Storage Class Code: 13 - Non Combustible Solids
• WGK: nwg
• Flash Point (°F): Not applicable
• Flash Point (°C): Not applicable