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High Quality Magnesium oxide 99% powder supplier

161 Inquiries

Unit Price:

$3.03-3.12/KG FOB

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CAS No.:

1309-48-4

Grade:

Industrial Grade

Content:

99%

Port:

shanghai

Brand:

grace

Packaging:

25kg

Price valid (until):

2026-07-04

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grace chemical

Company Type:

Trader

Location:

China

Qualification:

Main Products:

peptide,humic acid

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Product Description
Seller Information
Inquiry History

Description

Product Detail

Items	Specifications
CAS No	1309-48-4
Grade	Industral Grade
Application	Flame Retardancy And Neutralization EIN
Usage	Flame Retardancy And Neutralization
Color	White Or Light Yellow Powder

company informations:

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Comprehensive Product Overview: Industrial Grade Magnesium Oxide (MgO)

Introduction
Industrial Grade Magnesium Oxide ($MgO$), commonly referred to as magnesia, is a highly versatile and essential inorganic compound known for its exceptional thermal stability, electrical insulation, and chemical reactivity. Produced primarily through the calcination of magnesite ($MgCO_{3}$) or the extraction from seawater and brines, our premium industrial $MgO$ is engineered to meet the stringent demands of modern manufacturing, construction, and environmental applications.

Key Physical and Chemical Properties

High Purity & Activity: Our product boasts a meticulously controlled purity level (typically $90\% - 98\%$), allowing for optimal chemical reactivity tailored to specific industrial processes.
Thermal & Electrical Properties: It features a remarkably high melting point ($2852^{\circ}C$), making it an ideal refractory material. It is also an excellent electrical insulator.
Particle Size Distribution: Available in various grades—from standard powder to ultra-fine nano-scale particles—ensuring excellent dispersibility in liquid and solid mediums.

Primary Applications

Rubber and Plastics: Industrial $MgO$ serves as a critical vulcanizing agent, acid acceptor, and cross-linking promoter for fluoroelastomers and synthetic rubbers. It enhances the mechanical properties, heat resistance, and anti-aging capabilities of end products.
Friction Materials: It is a vital additive in the production of brake linings and clutch discs. Its unique thermal properties provide excellent friction stability and reduce noise and wear.
Electrical & Refractory: Due to its superior electrical insulation and thermal conductivity, it is heavily utilized as an insulating filling material in tubular heating elements (heating rods) and refractory bricks.
Environmental Protection: $MgO$ is an eco-friendly and highly efficient neutralizing agent for acidic wastewater treatment. It precipitates heavy metals effectively without creating the harsh sludge associated with traditional sodium hydroxide.
Construction & Abrasives: It is the foundational raw material for specialized magnesium cements (such as Sorel cement), which are used to manufacture durable flooring, polishing compounds, and grinding wheels.

Quality Control and Packaging
We implement a rigorous quality assurance system, monitoring every stage of production from raw material selection to final packaging. This ensures batch-to-batch consistency and high performance. The product is typically packaged in $25\text{ kg}$ moisture-proof bags or $1000\text{ kg}$ jumbo bags, and can be customized upon request to prevent hydration and contamination during transport.

Conclusion
With its unparalleled versatility, robust thermal characteristics, and high reactivity, our Industrial Grade Magnesium Oxide is the premier choice for enhancing product quality and process efficiency. Whether you are formulating high-performance rubbers, manufacturing refractory equipment, or treating industrial wastewater, our $MgO$ delivers the reliability and performance your operations require.

Basic Info

Product Name:

Magnesium oxide

Other Name:

Magnesium oxide (MgO);Magnesium oxide;Calcined magnesia;Magcal;Maglite;Magnesia;Magnesia usta;Magnesium monoxide;Maglite D;Magnesa Preprata;Maglite S;Maglite Y;Kyowamag 100;KM 40;Maglite K;Anscor P;Maglite DE;Marmag;Elastomag 100;Elastomag 170;SLO 469;SLO 369;Animag;Caustic magnesite;MM 469;Kyowamag 30;Magox;Kyowamag 150;Liquimag A;Liquimag B;Magnesia (MgO);HP 10;Kyowamag 40;U 180P;Mag Chem 10-200;Kyowaad 100;Maglite CG 1;Kyowamag 150B;Magnesium(II) oxide;T 22 (oxide);T 22;Mag Chem 10-40;Mag Chem 50;Causmag;FloMag HP;FloMag HP-ER;KM 3 (oxide);KM 3;Luvatol MK 35;HP 10 (oxide);Micromag;Kyowamag 20;Pyrokisuma 530;HP 30 (oxide);HP 30;Fert-O-Mag;Micromag 3-150;Kyowamag 60;AM 2 (cement additive);AM 2;Zabotan Mg;Insulmag 4;Pyrokisuma 3320;Magnesia 100A;Magnesia 500A;Pyrokisuma 5301;Magmic;MG 15;Mag Chem 50Y;Mag Chem 200D;Mag Chem P 98;Pyrokisuma 3320K;Micromag 3-30;KMAOH-F;SSP 3;HP 10N;Micromag 150;UBE 995S;Ube Green;PG 9033;995S;Magmic 4;100A;100A (oxide);Mag Chem 35;MagOx 98HR;MagOx 93HR;Mag Chem 10;BayMag;MJ 30;1000A;FMR-PC;Hamag LP;Pyrokisuma 5301K;Magsarat 150ST;500A;Mag Chem 10-325;UC 95H;MagOx 98HR-STI;Mag Chem 50M;Mag Chem 200AD;Ube 100A;Scorchguard O;Nanotek MgO;Kyowaway 150;KMB 100-200;Starmag M;SSP 1;Pyrokisuma 3310S;Kyowamag 150C;H 10;H 10 (oxide);Tomex AD 100;Luvatol EK 100KM;KMAO-H;Pyrokisuma 5201;DAB 6;DAB 6 (oxide);Starmag SL;Magnesia 312;Tomita AD 100P;AD 100P;SL;RSG;13589-16-7;52933-73-0;82375-77-7;185461-91-0;187036-80-2;227961-49-1;1193320-89-6;2408628-73-7

CAS No.:

1309-48-4

Molecular Formula:

MgO

InChIKeys:

InChIKey=CPLXHLVBOLITMK-UHFFFAOYSA-N

Molecular Weight:

40.30440

Exact Mass:

39.98000

EC Number:

215-171-9

ICSC Number:

0504

DSSTox ID:

DTXSID9049665

Color/Form:

White, very fine powder|White powder, either light or heavy depending upon whether it is prepared by heating magnesium carbonate or the basic magnesium carbonate|Colorless, transparent cubic crystals

HScode:

25199010

Categories:

Inorganic Salts

Characteristics

PSA:

17.07000

XLogP3:

-0.11880

Appearance:

Magnesium oxide appears as a white solid, often found as a powder. When fine particles of magnesium oxide are dispersed in air, whether directly or when generated by the burning or cutting of magnesium metal, the resulting magnesium oxide fume is an inhalation hazard.

Density:

3.58 g/cm³

Melting Point:

2800 °C

Boiling Point:

3600 °C

Flash Point:

3600ºC

Refractive Index:

1.736

Water Solubility:

H2O: 5 M HCl: 0.1 M at 20 °C, clear, colorless | 6.2 mg/L (20 ºC), reacts

Storage Conditions:

Store in a cool, dry place. Keep away from water. Keep containers tightly closed.

Vapor Pressure:

0 mmHg (approx)

Flammability characteristics:

Noncombustible Solid

Odor:

Odorless

PH:

pH = 10.3 (saturated aqueous solution)

Experimental Properties:

Takes up carbon dioxide and water from air, light form more readily than heavy; combines with water to form magnesium hydroxide; imparts a slight alkaline reaction to water|Moisture sensitive /hygroscopic/|Specific heat: 0.92885 kJ/kg-K at 27 °C; heat of fusion: 77.4 kJ/mol at 2642 °C; heat of formation: -601.7 kJ/mol at 25 °C; free energy of formation: -569.44 kJ/mol at 25 °C; Mohs' hardness: 5.5-6.0|For more Other Experimental Properties (Complete) data for MAGNESIUM OXIDE (7 total), please visit the HSDB record page.

Air and Water Reactions:

No rapid reaction with air. No rapid reaction with water.

Reactive Group:

Salts, Basic

Reactivity Profile:

Phosphorus pentachloride and magnesium oxide react with brilliant incandescence [Mellor 8:1016. 1946-1947]. The oxide is incompatible with interhalogens such as bromine pentafluoride, etc.

Flammable Limits:

Noncombustible Solid

See More Magnesium oxide Properties 

Hazard Identification

Classification of the substance or mixture

Not classified.

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)	No symbol.
Signal word	No signal word
Hazard statement(s)	none
Prevention	none
Response	none
Storage	none
Disposal	none

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

NO contact with strong acids. Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Separated from strong acids. Dry. Well closed.Store in tightly closed containers in a cool, well ventilated area away from moisture.

See More Magnesium oxide Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
peptide,humic acid

Location:
No. 601, Unit 2, Building 5, South District, Beizhang Community, Xiaodian District, City

Payment Terms:
100% TT in advance

Average lead Time:
10

Year of Establishment:
2024

Inquiry History

161 Inquiries

Country	Product	Purchase Quantity	Date Posted
India	Magnesium Oxide	10.00 MT	Dec 29, 2023
India	Magnesium Oxide	15.00 MT	Dec 29, 2023
India	Magnesium Oxide	10.00 MT	Dec 29, 2023
India	Magnesium Oxide	1.00 20' Fcl	Dec 29, 2023
India	Magnesium Oxide	20.00 MT	Dec 29, 2023
Nicaragua	Magnesium Oxide	1 20' Fcl	Nov 8, 2023
Egypt	Magnesium Oxide	100.00 KG	Jun 8, 2025
Singapore	Magnesium Oxide	1 MT	Nov 15, 2024
India	Magnesium Oxide	15.00 MT	Dec 29, 2023
India	Magnesium Oxide	10.00 MT	Feb 19, 2024
India	Magnesium Oxide	20.00 MT	Dec 18, 2023
India	Magnesium Oxide industrial grade	5.00 MT	Jul 4, 2024
India	Magnesium oxide	24 MT	Nov 29, 2023
India	Magnesium Oxide	20.00 MT	Feb 20, 2024
India	Magnesium Oxide	20.00 MT	Jan 17, 2024
India	Magnesium Oxide	50.00 MT	Feb 18, 2024
India	Magnesium Oxide	1.00 MT	Nov 19, 2024
Russia	magnesium oxide (MgO)	20 MT	Dec 6, 2023
India	Magnesium Oxide	10.00 MT	Jan 24, 2024
United Arab Emirates	Magnesium Oxide	200000 KG	Jun 3, 2026

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