Description
Magnesium oxide Chemical Properties
| Melting point | 2852 °C (lit.) |
| Boiling point | 3600 °C |
| density | 3.58 |
| refractive index | 1.736 |
| Fp | 3600°C |
| storage temp. | no restrictions. |
| solubility | 5 M HCl: 0.1 M at 20 °C, clear, colorless |
| form | nanopowder |
| color | White |
| Specific Gravity | 3.58 |
| PH | 10.3 (H2O, 20℃)(saturated solution) |
| Odor | wh. powd. or cryst., odorless |
| Resistivity | 1.3 ∞ 10*15 (ρ/μΩ.cm) |
| Water Solubility | 6.2 mg/L (20 ºC), reacts |
| Sensitive | Air Sensitive |
| λmax | λ: 260 nm Amax: ≤0.040 λ: 280 nm Amax: ≤0.025 |
| Crystal Structure | Cubic |
| Merck | 14,5677 |
| Exposure limits | ACGIH: TWA 10 mg/m3 OSHA: TWA 15 mg/m3 NIOSH: IDLH 750 mg/m3 |
| Dielectric constant | 9.7（0.0℃） |
| Stability: | Stable. Incompatible with bromine trifluoride, bromine trichloride, phosphorus pentachloride. |
| InChIKey | CPLXHLVBOLITMK-UHFFFAOYSA-N |
| CAS DataBase Reference | 1309-48-4(CAS DataBase Reference) |
| NIST Chemistry Reference | Magnesium monoxide(1309-48-4) |
| EPA Substance Registry System | Magnesium oxide (1309-48-4) |
Safety Information
| HS Code | 25199099 |
| Hazardous Substances Data | 1309-48-4(Hazardous Substances Data) |
| Toxicity | TCLo inhalation in human: 400mg/m3 |
| IDLA | 750 mg/m3 |
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