TALC
Talc: Hydrated magnesium silicate
TALC is listed in Annex III and may only be used under the conditions shown in this record.
Chemical identity and properties

Talc
Talc is an odorless white to grayish-white very fine crystalline powder (unctuous). Readily adheres to the skin. Nonflammable, noncombustible, and nontoxic. — CAMEO Chemicals
- IUPAC name
- trimagnesium;1,3,5,7-tetraoxido-2,4,6,8,9,10-hexaoxa-1,3,5,7-tetrasilatricyclo[3.3.1.13,7]decane;dihydroxide
- Molecular formula
- H2Mg3O12Si4
- Molecular weight
- 379.27 g/mol
- Exact mass
- 377.8174567 Da
- Topological polar surface area
- 150.0 Ų
- Hydrogen-bond donors
- 2
- Hydrogen-bond acceptors
- 12
- Covalent units
- 6
- Defined stereocentres
- 0
Also known as
16 more reported names
Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.
Record details
Warnings
(a) Keep powder away from children's nose and mouth
INCI glossary name
TALC
Chemical name
Talc: Hydrated magnesium silicate
Regulatory information
Identified ingredients
Key data
Inventory links for TALC
Related records for TALC
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TITANIUM DIOXIDE
POTASSIUM CHLORATE / SODIUM CHLORATE
What Annex III means for TALC
TALC is a restricted substance under Annex III of EU Cosmetics Regulation 1223/2009. Its use in cosmetics is only permitted under the specific conditions set out in the entry above, including applicable concentration limits, product type restrictions and required warning statements.
When including this substance in a formulation, all conditions — maximum concentration, product scope and warning labels — must be met simultaneously. Compliance with one condition does not override the others.
This record is linked to 1 CosIng inventory ingredient for name and identifier cross-reference. The page also surfaces 12 related annex records with overlapping identifiers, annex logic or naming patterns.
Compliance checklist
- Confirm product type compatibility: (a) Powdery products intended to be used for children under 3 years of age (b) Other products
- Include required warning statement on product label.
- Document conditions of use in the Product Information File (PIF).
Frequently asked questions
Source note for Annex III record TALC
This page summarizes one Annex III record for TALC from public European Commission cosmetic materials and adds linked inventory or identifier matches when available.
Use this record page to review Annex III conditions for TALC, but confirm any final regulatory decision against the current official annex wording and source files.
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