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Aluminum oxideCAS#1344-28-1
Chemical Name：Aluminum oxide
CAS No.:1344-28-1
Appearance:White to pink powder
Molecular Formula：1344-28-1
Molecular weight:101.96
Sample: Available
Products Description ofAluminum oxideCAS#1344-28-1
Aluminum oxide (1344-28-1) industrial product purity ≥ 99%, non-flammable white powder with no odor. Melting point 2040℃, boiling point 2980℃. Vapor pressure 2.26kPa (20℃), relative density 3.97 (20℃). Solubility in water insoluble, miscible with ethanol. Stable, incompatible with strong acids.
Parameters
| Melting point | 2040 °C(lit.) |
| Boiling point | 2980°C |
| bulk density | 950-1100g/L |
| density | 3.97 |
| vapor pressure | 17 mm Hg ( 20 °C) |
| refractive index | 1.765 |
| Fp | 2980°C |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | Miscible with ethanol. |
| form | powder |
| color | White to pink |
| Specific Gravity | 3.97 |
| Odor | Odorless |
| PH | 7.0±0.5 ( in H2O) |
| PH Range | 3.5 - 4.5 |
| Water Solubility | INSOLUBLE |
| semiconductor properties | <0001> |
| Crystal Structure | Trigonal |
| crystal system | Three sides |
| Merck | 14,356 |
| Space group | R3c |
| Lattice constant | a/nmb/nmc/nmα/oβ/oγ/oV/nm30.475890.475891.299190901200.2548 |
| Exposure limits | ACGIH: TWA 1 mg/m3 OSHA: TWA 15 mg/m3; TWA 5 mg/m3 |
| Dielectric constant | 4.5（Ambient） |
| InChIKey | PNEYBMLMFCGWSK-UHFFFAOYSA-N |
| CAS DataBase Reference | 1344-28-1(CAS DataBase Reference) |
| NIST Chemistry Reference | Aluminum oxide(1344-28-1) |
| EPA Substance Registry System | Alumina (1344-28-1) |
Safety Information
| Hazard Codes | Xi,F |
| Risk Statements | 36/37/38-67-36/38-11-36 |
| Safety Statements | 26-24/25-16-7-36 |
| WGK Germany | - |
| RTECS | BD1200000 |
| F | 3 |
| TSCA | Yes |
| HazardClass | 8 |
| HS Code | 28181010 |
| Hazardous Substances Data | 1344-28-1(Hazardous Substances Data) |
| Toxicity | Chronic inhalation of Al2O3 dusts may cause lung damage. |
Product Application of Aluminum oxideCAS#1344-28-1
Aluminum Oxide (Alumina) is the most widely used oxide, chiefly because it is plentiful, relatively low in cost, and equal to or better than most oxides in mechanical properties. Density can be varied over a wide range, as can purity-down to about 90% alumina-to meet specific application requirements. Alumina ceramics are the hardest, strongest, and stiffest of the oxides.
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