Magnesium oxide (heavy)

Name: Magnesium oxide (heavy)
Brand: Vaqora Chemicals
SKU: VQ-014445

About Magnesium oxide (heavy)

Magnesium oxide (heavy) is an alkaline earth compound carrying the CAS registry number 1309-48-4 with a typical assay of 95.0–100.5%. Its molecular formula is MgO and its molecular weight is 40.3 g/mol. Its systematic (IUPAC) name is oxomagnesium. Alternative names: Magnesium oxide heavy and Heavy magnesium oxide.

In its supplied form it is a powder, white to off-white, passes test. Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Warning” with 2 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for materials research and chemical synthesis. It is used across academic and industrial research.

We offer Magnesium oxide (heavy) in 500 g, 5 kg and 4 x 25 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Materials research
Chemical synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Magnesium oxide (heavy)
Catalogue No.	VQ-014445
CAS Number	1309-48-4
IUPAC name	oxomagnesium
Molecular formula	MgO
Molecular weight	40.3 g/mol
Exact mass	39.98
Purity / assay	95.0–100.5%
HSN code	25199040
InChIKey	CPLXHLVBOLITMK-UHFFFAOYSA-N
SMILES	O=[Mg]
PubChem CID	14792

Physical properties
Physical form	Powder
Appearance	Powder, white to off-white, passes test
H-bond donors / acceptors	0 / 1
TPSA	17.1 Å²
Synonyms	Magnesium oxide heavy, Heavy magnesium oxide, Calcined magnesia, Seawater magnesia, Anscor P, Magnesium oxide (MgO), Magcal, Heavy magnesia, Light magnesia, Maglite de, Magnesa preprata, Akro-mag

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264 + P265, P271, P280, P304 + P340, P305 + P351 + P338, P319, P337 + P317, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 1309-48-4

Food Grade

Magnesium oxide (heavy), food grade (FCC)

CAS: 1309-48-4
Formula: MgO
MW: 40.3 g/mol

VQ-047003

Magnesium oxide (single crystal substrate), ≥99.9% trace metals basis, L × W × thickness 10 mm × 10 mm × 0.2 mm

CAS: 1309-48-4
Formula: MgO
MW: 40.3 g/mol

VQ-018283

Magnesium oxide (single crystal substrate), ≥99.9% trace metals basis, L × W × thickness 10 mm × 10 mm × 0.5 mm

CAS: 1309-48-4
Formula: MgO
MW: 40.3 g/mol

VQ-018284

Magnesium oxide (single crystal substrate), ≥99.9% trace metals basis, L × W × thickness 10 mm × 10 mm × 1 mm

CAS: 1309-48-4
Formula: MgO
MW: 40.3 g/mol

VQ-018285

Magnesium oxide nanopowder, APS 05.-1 μm, 99.9%

CAS: 1309-48-4
Formula: MgO
MW: 40.3 g/mol

VQ-017491

Magnesium oxide nanopowder, APS 100 nm, 99%

CAS: 1309-48-4
Formula: MgO
MW: 40.3 g/mol

VQ-017492

Magnesium oxide nanopowder, APS 20 nm, 99%

CAS: 1309-48-4
Formula: MgO
MW: 40.3 g/mol

VQ-017493

Magnesium oxide nanopowder, APS 20-30 nm, 99.9%

CAS: 1309-48-4
Formula: MgO
MW: 40.3 g/mol

VQ-017494

All 21 products with CAS 1309-48-4 →

Frequently asked questions

What is the CAS number of Magnesium oxide (heavy)?

The CAS Registry Number of Magnesium oxide (heavy) is 1309-48-4. It is also known as Magnesium oxide heavy, Heavy magnesium oxide, Calcined magnesia.

What is the molecular formula and molecular weight of Magnesium oxide (heavy)?

Magnesium oxide (heavy) has the molecular formula MgO and a molecular weight of 40.3 g/mol. Its IUPAC name is oxomagnesium.

Which grade and pack sizes of Magnesium oxide (heavy) can I order?

We supply Magnesium oxide (heavy) in (95.0–100.5%) grade, in 500 g, 5 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Magnesium oxide (heavy)?

Yes. Every lot of Magnesium oxide (heavy) is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Magnesium oxide (heavy) be shipped internationally?

Yes. Magnesium oxide (heavy) is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.