Also known as: Carbonic acid calcium salt (1:1), Calofor U 50, Caswell No. 139, CCC No.AA oolitic, EINECS 207-439-9 (+15 more)
INCI: CALCIUM CARBONATE
Calcium Carbonate (CAS 471-34-1) is a cosmetic cosmetic ingredient functioning as Abrasive, Buffering, Bulking, Opacifying, Oral Care, Colorant. NOAEL 1000 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety, pharmaceutical, and food safety data.
US NotesAdequate (not required at typical use levels due to negligible absorption)
For full compliance data across multiple jurisdictions, use the
Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Calcium Carbonate.
Calculate MoS for your specific formulation with the
MoS Calculator.
GHS Hazard Classification
Globally Harmonized System classification per ECHA C&L inventory and ILO/WHO International Chemical Safety Cards.
Hazard Statements
No hazard classification according to GHS criteria
Short-term Exposure Effects
May cause mechanical irritation to the respiratory tract and eyes.
Long-term Exposure Effects
Health effects of the substance have been investigated but none have been found
Pre-Calculated Safety Assessment
Pre-calculated NOAEL → SED → MoS audit trail for Calcium Carbonate across SCCS product categories, with measured dermal absorption where available.
EPA ToxValDB — Toxicity Values
2 toxicity values from EPA ToxValDB (aggregated from CCTE, HPV, ToxRefDB, IRIS, and other regulatory dossiers).
Endpoint
Value
Species
Route
Duration
Source
LD50
>2000 mg/kg
Rat
dermal
acute
ECHA
LD50
=6450 mg/kg
Rat
oral
-
ChemIDplus
ECHA REACH Registration
European Chemicals Agency REACH dossier and Substances of Very High Concern listing.
Registration Type
Full
Tonnage Band
1,000,000 - 10,000,000 tonnes
Substance Type
SUBSTANCE; GROUP
SVHC Candidate
No
EU CosIng Annex Listing
European Commission CosIng database Annex references per Regulation (EC) No 1223/2009.
Annex IV — Permitted Colorants
Product type: White
Expanded Jurisdictional Detail
Additional regulatory detail beyond the 7-jurisdiction summary: Saudi SFDA, Korea MFDS, ASEAN ACD, Japan/Korea, Brazil/India, and cross-jurisdictional restriction entries.
EU Regulated in Personal CareEU Restricted for Children (Cosmetics)EPA Safer Chemical Ingredients List (SCIL)FDA Substances Added to Food (EAFUS)EU CosIng Cosmetics Ingredient Database
Editorial summary
Preliminary editorial summary for Calcium Carbonate — not a computed safety verdict. See the sourced toxicological data above.
Calcium Carbonate has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted.
Is Calcium Carbonate allowed in the EU?
Calcium Carbonate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Calcium Carbonate do in cosmetics?
Calcium Carbonate functions as: Abrasive, Buffering, Bulking, Opacifying, Oral Care, Colorant. It is classified as a cosmetic ingredient in our database. CAS number: 471-34-1.
Is Calcium Carbonate used outside cosmetics?
Calcium Carbonate also appears in industrial chemical safety, pharmaceutical, and food safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
Check Calcium Carbonate compliance across multiple jurisdictions:
Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.