CAS 1309-48-4 · AICIS · Australia

Magnesium oxide (magnesia) under AICIS

MgO · 氧化镁

Status: Listed. Magnesium oxide is on the AICIS Inventory of Industrial Chemicals as a Listed Industrial Chemical. **NOT typically scheduled under SUSMP / Poisons Standard** at retail-grade (verify against the current SUSMP / Poisons Standard before relying). NOT on Australian Drug Control Act precursor list. NO active Australian AD/CVD case on Chinese-origin magnesium oxide. Australia has domestic magnesite mining (e.g. Queensland Magnesia Pty Ltd Kunwarara Queensland operations; verify against producer's public website before relying); imports occur from China for refractory + industrial grades. ChAFTA preferential zero-duty applies for Chinese-origin imports. **FSANZ Standard 1.2.4 (food additives) recognises magnesium oxide as E530** for food use (verify against https://www.foodstandards.gov.au/ before relying). **TGA listing or registration** required for products placed as therapeutic antacid / laxative / magnesium supplement (verify against https://www.tga.gov.au/).

AICIS treats magnesium oxide as a routine listed industrial chemical with low hazard profile beyond respirable dust handling. **FSANZ Standard 1.2.4 E530 for food plus TGA for therapeutic antacid / laxative / Mg supplement**. NO active Australian AD/CVD case. ChAFTA preferential zero-duty. Australia has domestic magnesite mining at Queensland Magnesia Kunwarara Queensland with parallel Chinese imports.

Listing and threshold

Substance Magnesium oxide (magnesia) (CAS 1309-48-4), MgO
Regime Australian Industrial Chemicals Introduction Scheme (AICIS), administered by the Department of Health
Jurisdiction Australia
Status Listed
Tonnage threshold AICIS introducer registration required for >100 kg/year

Classifications under this regime

  • Listed Industrial Chemical on AICIS Inventory
  • Australian GHS classification: NOT typically classified as hazardous beyond particulate dust
  • NOT typically scheduled under SUSMP / Poisons Standard at retail-grade (verify against the current SUSMP / Poisons Standard at https://www.tga.gov.au/products/scheduling-poisons-standard before relying)
  • NOT on Australian Drug Control Act precursor list
  • ADG 7.7: NOT regulated
  • Safe Work Australia: WES for inspirable / respirable particulate dust applies (verify against the current Safe Work Australia Workplace Exposure Standards at https://www.safeworkaustralia.gov.au/exposure-standards before relying on specific limit)
  • **FSANZ Standard 1.2.4 E530** food additive (verify against https://www.foodstandards.gov.au/)
  • **TGA listing or registration** required for therapeutic antacid / laxative / magnesium supplement use
  • IARC: Not classified

Restrictions and conditions of use

  • NO active Australian AD/CVD case on Chinese magnesium oxide currently
  • WHS Regulation 2011 (low-hazard handling, respirable dust applies)
  • ChAFTA preferential zero-duty applies (HS 251990)
  • FSANZ Standard 1.2.4 compliance for food-grade use
  • TGA registration for therapeutic antacid / laxative / magnesium supplement use

Importer obligations

AICIS registration required. Australia has domestic magnesite mining (Queensland Magnesia Kunwarara Queensland operations); imports occur from China for refractory and industrial grades.

Required documents

  • AICIS registration certificate (annual)
  • WHS-compliant SDS (with respirable particulate dust / fume handling notes)
  • Customs entry (ICS / ABF) with HS 251990
  • ChAFTA Form CO
  • FSANZ / TGA certifications for food and therapeutic grades

Common compliance traps

The pitfalls that have bitten importers on this lane in the past. None of these is theoretical.

  • AICIS registration must be CURRENT at customs clearance
  • NOT typically scheduled under SUSMP / Poisons Standard
  • NO active Australian AD/CVD case
  • ChAFTA preferential zero-duty applies
  • FSANZ Standard 1.2.4 E530 for food use plus TGA for therapeutic antacid / laxative / Mg supplement
  • Australia has domestic magnesite mining (Queensland Magnesia Kunwarara Queensland operations); imports occur from China
  • Safe Work Australia respirable particulate dust WES applies (verify limit before relying)

Where to read next

For substance-level identifiers (formula, molecular weight, SMILES, InChIKey), GHS hazard profile, IMDG transport class, and full sourcing reference for magnesium oxide (magnesia), see the CAS 1309-48-4 sourcing reference.

For grade-by-grade buying notes, freight maths, supplier-tier pricing, and a worked landed-cost example, the magnesium oxide (magnesia) cornerstone hub covers the full sourcing chain.

For the structure and history of AICIS, see the AICIS glossary entry.

Need cross-jurisdiction compliance support on this substance? Run it through the REACH / TSCA / IECSC / AICIS / K-REACH checker, or send us the substance and the destination and we will quote FOB China and CIF / DDP landed including the regulatory work on the destination side.

Read next

Cross-jurisdiction profile and sourcing references

Referenced in

4 pages across the Sourzi moat

This term shows up in 4 regulatory pages. Sample backlinks per content type below.

Regulatory (4)

Plus 1 more regulatory pages.

Free download

Free PDF: the same MSDS verification template the Sourzi team uses to cross-reference factory documents against TSCA, REACH, AICIS, and CDR before booking.