Magnesium Oxide
Basic Information
Name: Magnesium Oxide
Other names: Magnesia; periclase
Molecular formula: MgO
Molecular weight: 40.30
CAS number: 1309-48-4
2.Physical and Chemical Properties
- Appearance: White powder
- Melting point: Approximately 2852 °C Boiling point: Approximately 3600 °C Density: Approximately 3.58 g/cm³
- Solubility: Practically insoluble in water (slowly forms magnesium hydroxide); soluble in dilute acids and ammonium salt solutions
- Stability: Stable and refractory; slowly hydrates in moist air
3.Main Functions and Applications (What are its uses?)
- Refractory materials (core application): With an ultra-high melting point of 2852 °C, it is the core raw material for refractory bricks, crucibles and furnace linings, widely used in steel, glass and cement kilns at high temperature.
- Pharmaceutical (core application): As an antacid and saline laxative, it rapidly neutralizes gastric acid to relieve hyperacidity and gastric ulcer symptoms, and also serves as a magnesium supplement.
- Food: As an anti-caking agent and acidity regulator (E530), it prevents food from caking and adjusts acidity.
- Rubber and plastics: As a vulcanization accelerator, stabilizer and filler, it improves the heat resistance and processing performance of products.
- Chemical industry: As a raw material for magnesium salts and a catalyst carrier, it is widely used in synthesis and catalysis.
- Agriculture and feed: As a magnesium fertilizer and feed additive, it supplements the magnesium required by crops and livestock.
- Environmental protection: Used for flue-gas desulfurization, wastewater treatment and heavy-metal adsorption.
- Construction: The main raw material of magnesium oxychloride cement (Sorel cement).
- Cosmetics: Used in body powders and antiperspirants.
4.A Benchmark-Level Industrial Masterpiece - A Meticulously Crafted "Food-Grade" Refractory Oxide!
MgO content reaches 96.0–100.5%, delivering premium-grade purity and consistent performance.
Low calcium oxide, arsenic, lead and heavy metals ensure food-grade safety for the most demanding applications.
High purity, ultra-high melting point and excellent acid-neutralizing capacity make it a versatile, cost-effective choice.
"What you see is what you get" - every lot ships with a complete certificate of analysis.
Product Specification - Magnesium Oxide
|
Product model |
Magnesium Oxide (MgO) |
|
Appearance |
White powder |
|
MgO content (after ignition, %) |
96.0 – 100.5 |
|
Calcium oxide (CaO, %) |
≤ 1.5 |
|
Hydrochloric acid insoluble matter (%) |
≤ 0.10 |
|
Loss on ignition (%) |
≤ 5.0 |
|
Arsenic (As, ppm) |
≤ 3 |
|
Lead (Pb, ppm) |
≤ 4 |
|
Heavy metals (as Pb, ppm) |
≤ 10 |
|
Packaging |
25 kg kraft bag with PE inner liner / 25 kg woven bag |
- Test methods reference: MgO content by complexometric titration (EDTA) after ignition (GB 1886.216); calcium oxide by complexometric titration; hydrochloric-acid-insoluble matter by gravimetric method; loss on ignition at 900 °C; arsenic by molybdenum blue method; lead / heavy metals by atomic absorption or colorimetric method.
Hot Tags: magnesium oxide cas 1309-48-4, China magnesium oxide cas 1309-48-4 manufacturers, suppliers, factory, 108-32-7, 7757-83-7, Magnesium Oxide, Potassium Carbonate, Propylene Carbonate, Soda Ash
