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InventoryRef 5955215/10/2010

SODIUM POTASSIUM ALUMINUM SILICATE

Ceramic materials and wares, chemicals. Complex silicate of the following elements: aluminum, potassium and sodium

SODIUM POTASSIUM ALUMINUM SILICATE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

Regulatory evidence by market

No rule for this ingredient has been imported for any of the 13 markets tracked here.

That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.

Chemical identity and properties

PubChem 2D chemical structure for CAS 12736-96-8
CAS 12736-96-8PubChem CID 167713247

silicic acid, aluminum potassium sodium salt

The Expert Panel for Cosmetic Ingredient Safety concluded that the following 24 silicate ingredients are safe in cosmetics in the present practices of use and concentration described in this safety assessment when formulated to be non-irritating, with the exception that the available data are insufficient to make a determination of safety for the use of naturally-sourced (i.e., mined) silicate ingredients in products that may be incidentally inhaled: Sodium Potassium Aluminum Silicate. Cosmetic Ingredient Review (CIR)

IUPAC name
nonaaluminum;potassium;tetrasodium;octadecakis(dioxosilane);dotriacontahydroxide
Molecular formula
Al9H32KNa4O68Si18
Molecular weight
1999.6 g/mol
Exact mass
1997.245902 Da
Topological polar surface area
647.0 Ų
Hydrogen-bond donors
32
Hydrogen-bond acceptors
68
Covalent units
64
Defined stereocentres
0

Also known as

Potassium sodium aluminosilicateSodium potassium aluminum silicateRefChem:885538EINECS 235-787-1235-787-1Aluminum potassium sodium silicateSodium potassium aluminosilicateZ6C6FF3Y9R
1 more reported name
Potassium sodium aluminum silicate

Evidence from additional scientific databases

NIH PubChem PUG-View
Exact identifier match167713247

Attributed physical-property, hazard, environmental and use annotations.

  • Note: This chemical does not meet GHS hazard criteria for 5.2% (9 of 173) of reports. Source: European Chemicals Agency (ECHA)
  • Signal: Warning Source: European Chemicals Agency (ECHA)
  • GHS Hazard Statements: H315 (27.7%): Causes skin irritation [Warning Skin corrosion/irritation]; H319 (27.7%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]; H335 (94.8%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation] Source: European Chemicals Agency (ECHA)
  • Precautionary Statement Codes: P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement) Source: European Chemicals Agency (ECHA)
  • ECHA C&L Notifications Summary: Aggregated GHS information provided per 173 reports by companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.; Reported as not meeting GHS hazard criteria per 9 of 173 reports by companies.; There are 4 notifications provided by 164 of 173 reports by companies with hazard statement code(s).; Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)
  • Cosmetic Ingredient Review Conclusion: The Expert Panel for Cosmetic Ingredient Safety concluded that the following 24 silicate ingredients are safe in cosmetics in the present practices of use and concentration described in this safety assessment when formulated to be non-irritating, with the exception that the available data are insufficient to make a determination of safety for the use of naturally-sourced (i.e., mined) silicate ingredients in products that may be incidentally inhaled: Sodium Potassium Aluminum Silicate. Source: Cosmetic Ingredient Review (CIR)
  • Cosmetic Ingredient Review Finding(s): Safe for use in cosmetics, with qualifications; The available data are insufficient to support safety Source: Cosmetic Ingredient Review (CIR)

Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record

Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.

Additional source coverage and match status
SourceResultChecked
NIH PubChem PUG-ViewExact match2026-08-31

A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Inventory details for SODIUM POTASSIUM ALUMINUM SILICATE

INCI name

SODIUM POTASSIUM ALUMINUM SILICATE

Description

Ceramic materials and wares, chemicals. Complex silicate of the following elements: aluminum, potassium and sodium

Record provenance

Inventory reference
59552
Imported identity
SODIUM POTASSIUM ALUMINUM SILICATE
Source update
15/10/2010
European Commission CosIng source notes

Key data

CAS
66402-68-4 / 12736-96-8
EC
266-340-9 / 235-787-1
Restriction
Function
BULKING
Non-reactive (chemically inert), solid ingredients that dilute other solids and/or increase the volume of cosmetic products.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

Ingredients with overlapping formulation functions

Additional official and scientific sources

11 external databases to check this identity in

How SODIUM POTASSIUM ALUMINUM SILICATE appears in the CosIng inventory

The CosIng inventory lists SODIUM POTASSIUM ALUMINUM SILICATE as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

SODIUM POTASSIUM ALUMINUM SILICATE is also tagged with 1 cosmetic function in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

SODIUM POTASSIUM ALUMINUM SILICATE is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

According to the EU CosIng inventory, SODIUM POTASSIUM ALUMINUM SILICATE carries the following function designation(s):

CAS 66402-68-4 / 12736-96-8 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.

Use the INCI Checker to screen a full ingredient list across selected markets, or compare this substance across all supported market datasets.

Source note for SODIUM POTASSIUM ALUMINUM SILICATE

This page reproduces the CosIng inventory entry for SODIUM POTASSIUM ALUMINUM SILICATE from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

Use this inventory page to research SODIUM POTASSIUM ALUMINUM SILICATE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

Tools & next steps

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