Español
العربية
Francés
Русский
Português
Deutsch
Italiano
Kazakh
Uzbek
Magnesium oxide CAS#1309-48-4
CAS Number: 1309-48-4
Chemical Formula: MgO
Synonyms:
MAGNESIUM OXIDE, -325 MESH, 99+%
seawatermagnesia
Sermag;slo369
MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)
Appearance: White Powder
Magnesium oxide CAS#1309-48-4
Magnesium oxide is a typical alkaline earth metal oxide, chemical formula MgO. White powder, melting point 2852 ℃, boiling point 3600 ℃, the relative density of 3.58 (25 ℃). It is soluble in acid and ammonium salt solution. Its slow action with water can produce magnesium hydroxide. It can be dissolved in carbon dioxide aqueous solution to produce magnesium bicarbonate. In the air, it can gradually absorb moisture and carbon dioxide. Heating releases irritating fumes. Magnesite (MgCO3), dolomite (MgCO3 ? CaCO3) and seawater are the main raw materials for the production of magnesium oxide.
| Magnesium oxide Chemical Properties |
| Melting point | 2852 °C (lit.) |
| Boiling point | 3600 °C |
| bulk density | 100kg/m3 |
| 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 |
| Odor | wh. powd. or cryst., odorless |
| PH | 10.3 (H2O, 20℃)(saturated solution) |
| Resistivity | 1.3 ∞ 10*15 (ρ/μΩ.cm) |
| Water Solubility | 6.2 mg/L (20 ºC), reacts |
| semiconductor properties | <111> |
| Sensitive | Air Sensitive |
| λmax | λ: 260 nm Amax: ≤0.040 λ: 280 nm Amax: ≤0.025 |
| Crystal Structure | Cubic |
| crystal system | Cube |
| Merck | 14,5677 |
| Space group | Fm3m |
| Lattice constant | a/nmb/nmc/nmα/oβ/oγ/oV/nm30.42270.42270.42279090900.0755 |
| 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. |
| Cosmetics Ingredients Functions | ABSORBENT OPACIFYING BUFFERING |
| InChI | 1S/Mg.O |
| InChIKey | CPLXHLVBOLITMK-UHFFFAOYSA-N |
| SMILES | O=[Mg] |
| Hardness, Mohs | 4.0 - 4.5 |
| 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 |
| WGK Germany | WGK 1 |
| RTECS | OM3850000 |
| TSCA | TSCA listed |
| HS Code | 25199099 |
| Storage Class | 11 - Combustible Solids |
| Hazardous Substances Data | 1309-48-4(Hazardous Substances Data) |
| Toxicity | TCLo inhalation in human: 400mg/m3 |
| IDLA | 750 mg/m3 |
Product Application of Magnesium oxide CAS#1309-48-4
Magnesium oxide produce a positive charge inside the water with most of the suspended material being negatively charged, acting absorption role, can improve the filtration effect.
Alkaline granular refractory, mainly used for metal refining industry, with massive refractory for the furnace, or granular material for maintenance; Use spray, coating method to have it attached to the furnace wall in order to enhance the furnace fire resistance.
Factory and Equipment Show
Fast delivery time
Inventory 2-3 working days New production 7-10 working days
