- beauty
- industrial
Magnesium aluminum hydroxy carbonate [Mg6Al2(OH)16CO3]
CAS 12311-99-8
Also registered as 46 other CAS numbers
54692-73-8 · 59113-66-5 · 96492-34-1 · 99628-16-7 · 125494-68-0 · 145711-93-9 · 146388-14-9 · 156721-39-0 · 168041-57-4 · 232597-04-5 · 329184-33-0 · 341926-09-8 · 403483-53-4 · 485816-12-4 · 765953-78-4 · 848467-68-5 · 850538-92-0 · 858351-56-1 · 894104-62-2 · 910451-22-8 · 937159-87-0 · 1016985-69-5 · 1083081-91-7 · 1108600-31-2 · 1188000-76-1 · 1239597-10-4 · 1259919-05-5 · 1266332-72-2 · 1314041-45-6 · 1318026-22-0 · 1337470-47-9 · 1354927-57-3 · 1374160-84-5 · 1413362-19-2 · 1416131-76-4 · 1430733-52-0 · 1447672-57-2 · 1644148-86-6 · 1644436-76-9 · 1777779-70-0 · +6 more
![Magnesium aluminum hydroxy carbonate [Mg6Al2(OH)16CO3] chemical structure](https://pubchem.ncbi.nlm.nih.gov/image/imagefly.cgi?cid=159347&width=600&height=600)
Concern score
Not assessed — no hazard data yet.
Magnesium aluminum hydroxy carbonate [Mg6Al2(OH)16CO3] in plain language
On cosmetic ingredient lists it appears as “Magnesium/aluminum/hydroxide/carbonate”.
Also known as Magnesium/aluminum/hydroxide/carbonate · Magnesium aluminum hydroxy carbonate · Aluminum magnesium hydroxide carbonate · (CARBONATO(2-))HEXADECAHYDROXYBIS(ALUMINIUM)HEXAMAGNESIUM · Hydrotalcite, synthetic (anhydrous) · Magnesium aluminum hydroxy carbonate (MG6AL2(OH)16CO3)
Show all 16 names
Magnesium, (CARBONATO(2-))HEXADECAHYDROXYBIS(ALUMINUM)HEXA- · dialuminum;hexamagnesium;carbonate;hexadecahydroxide · Aluminium magnesium hydroxide carbonate · Ec 234-319-3 · Gdvkfrbcxapaqj-uhfffaoysa-a · Hydrotalcite · Magnesium aluminum hydroxycarbonate · Magnesium, (carbonato)hexadecahydroxydialuminumhexa- · UNII-RFJ7QXF345 · magnesium aluminium hydroxide carbonate hydrate
Used in cosmetics as a thickener.
- Viscosity controlling
- Thickener
- Stabiliser
- We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.
Regulation
No restrictions found. Magnesium aluminum hydroxy carbonate [Mg6Al2(OH)16CO3] appears in these published regulatory listings.
- Found in consumer products
- Industrial
EUCosIngActiveListed in CosIng inventory for cosmetic use.
- Listed in CosIng inventory for cosmetic use.Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Viscosity modifier, Stabilizing agent, Flame retardant.
- EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Viscosity modifier, Stabilizing agent, Flame retardant.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
- openFDA substance registry classifies this ingredient as chemical.Source →
Expert safety opinions
No expert opinion on file for Magnesium aluminum hydroxy carbonate [Mg6Al2(OH)16CO3]. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.
SCCS
EU Scientific Committee on Consumer Safety
No SCCS opinion on file.
CIR
Cosmetic Ingredient Review (US expert panel)
No CIR safety assessment on file.
Evidence & sources
No graded research studies for Magnesium aluminum hydroxy carbonate [Mg6Al2(OH)16CO3] yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.
Where this comes from
- Open →
CosIng
regulatory · updated 2026-09-23
- Open →
EPA Chemical and Products Database
exposure · updated January 7, 2008
- Open →
EPA DSSTox Identifiers
chemistry · updated 2025-12-29
- Open →
FDA GSRS UNII
registry · updated 2026-02-26
- Open →
openFDA Substance
registry · updated 2026-05-24
- Open →
PubChem Live Enrichment
chemistry · updated 2026-05-17
Reference links (1)
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
Fragrance avoidance
Nothing to weigh for this context yet.
We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.
Where it has been recorded
How often EPA CPDat has listed Magnesium aluminum hydroxy carbonate [Mg6Al2(OH)16CO3] in a product composition. These are source records, not Greenveil catalog products.
Named organisations
4
Typical roles
Viscosity controllingThickenerStabiliser