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Alkaline Earth Compounds (Be, Mg, Ca, Sr, Ba)

Magnesium oxide (heavy)

Available on request

Buy Magnesium oxide (heavy) (CAS 1309-48-4) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 500 g.

Pack sizes
Magnesium oxide (heavy) chemical structure
CAS number1309-48-4
FormulaMgO
Molar mass40.3 g/mol
Physical formPowder
HS code25199040
Purity95.0–100.5%
InChIKeyCPLXHLVBOLITMK-UHFFFAOYSA-N
IUPAC nameoxomagnesium

About Magnesium oxide (heavy)

Zemixal supplies Magnesium oxide (heavy) within its inorganic Chemicals, Metals & Advanced Materials portfolio. Key data (95.0–100.5%): CAS 1309-48-4, formula MgO and molar mass 40.3 g/mol. Expect powder, white to off-white, passes test.

Common uses in the lab and plant

  • Materials research
  • Chemical synthesis

Handling and storage

Hazard communication follows GHS (Warning: H319 and H335). Our SDS lists exposure controls and first-aid measures.

Standard pack sizes are 500 g, 5 kg and 4 x 25 kg, and custom quantities are quoted on request. Each lot travels with a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Typical uses

  • Materials research
  • Chemical synthesis

Applications

Research Labs and Universities

Specifications and identifiers

Specifications of Magnesium oxide (heavy)
Product nameMagnesium oxide (heavy)
Catalogue numberZX-013503
CAS number1309-48-4
IUPAC nameoxomagnesium
Molecular formulaMgO
Molar mass40.3 g/mol
Exact mass39.98
Purity / assay95.0–100.5%
Physical formPowder
AppearancePowder, white to off-white, passes test
H-bond donors / acceptors0 / 1
Topological polar surface area17.1 Ų
HS code25199040
InChIKeyCPLXHLVBOLITMK-UHFFFAOYSA-N
SMILESO=[Mg]
PubChem CID14792
SynonymsMagnesium 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

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • 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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Magnesium oxide (heavy)
500 gQuoted on request
5 kgQuoted on request
4 x 25 kgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Magnesium oxide (heavy)

Which CAS number identifies Magnesium oxide (heavy)?
Magnesium oxide (heavy) is registered under CAS 1309-48-4. You may also see it listed as Magnesium oxide heavy, Heavy magnesium oxide, Calcined magnesia. Our catalogue number for this item is ZX-013503.
What are the formula and molar mass of Magnesium oxide (heavy)?
For Magnesium oxide (heavy), its formula is MgO and its molar mass is 40.3 g/mol. The systematic (IUPAC) name is oxomagnesium. InChIKey CPLXHLVBOLITMK-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Magnesium oxide (heavy)?
This listing is 95.0–100.5% purity. Standard packs are 500 g, 5 kg, 4 x 25 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Magnesium oxide (heavy)?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Magnesium oxide (heavy) to my country?
Yes. Because Magnesium oxide (heavy) is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

Other grades with CAS 1309-48-4

All 21 grades

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