Is Calcium Carbonate safe in cosmetics?
Calcium Carbonate has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted.
Calcium Carbonate
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 and pharmaceutical data.
View industrial chemical safety profile for CAS 471-34-1 →
Auto-generated CPSR Part A draft with source citations
Function
Abrasive, Buffering, Bulking, Opacifying, Oral Care, Colorant
Safety Rating
EXCELLENT
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Adequate (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 IUCLID |
| 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.
SA Saudi SFDA (IV - Colorants)
BRIN Brazil/India Cosmetics
India: Permitted Colorant
Additional Jurisdictional Restrictions (1)
| Jurisdiction | Status | Max % | Product Type |
|---|---|---|---|
| ASEAN | permitted_colorant | - | All products |
Additional Ingredient Properties
7 property records from structured ingredient metadata.
deodorant
{"cas_number": "471-34-1", "ingredient_class": "sweat_absorber", "mechanism_of_action": "pH_modification", "antiperspirant_efficacy_sweat_reduction_pct": "0", "deodorant_efficacy_hours": "6-10", "odor_reduction_pct": "25-45", "bacteriostatic": "no", "bactericidal": "no", "microbiome_impact": "neutral", "axillary_microbiome_effect": "varies by ingredient", "MIC_value_if_antimicrobial": "varies", "a…
ecotoxicity
{"biodegradable": "no", "biodegradation_days": "non-biodegradable", "bioaccumulative": "no", "aquatic_toxicity_level": "low", "coral_reef_safe": "yes", "marine_toxicity": "very low toxicity", "freshwater_toxicity": "can affect pH", "endocrine_disruptor": "no", "persistent_organic_pollutant": "no", "microplastic": "no", "nano_particle": "no", "hawaii_banned": "no", "eu_restricted_environmental": "n…
mineral_clay
{"cas_number": "471-34-1", "ingredient_class": "calcium_compound", "chemical_formula": "CaCO3", "mineral_origin": "natural", "particle_size_range_um": "0.5-50", "surface_area_m2_per_g": "1-10", "crystal_structure": "rhombohedral", "color_index_CI_number": "CI 77220", "color_appearance": "white", "opacity": "opaque", "refractive_index": "1.65", "oil_absorption_g_per_100g": "10-30", "water_absorptio…
oral_care
{"cas_number": "471-34-1", "ingredient_class": "abrasive", "function_primary": "Abrasive", "function_secondary": "pH buffer", "anti_caries_mechanism": "None direct (calcium source)", "fluoride_content_ppm_if_applicable": "0", "remineralization_capacity": "Low (calcium source)", "enamel_hardness_improvement": "None direct", "dentin_tubule_occlusion": "Low", "anti_plaque_mechanism": "Mechanical remo…
sensory
{"silky": "powdery", "smooth, glides easily": "chalky, matte", "dry-touch, non-greasy": "dry, matte", "instant": "fast", "low": "low", "w/o": "o/w", "very-high": "moderate", "no": "no", "yes": "no", "light-diffusing": "matte", "1.40": "2.71", "transparent": "opaque", "colorless": "white", "excellent": "fair", "light": "light", "synthetic": "mineral"}
skin_suitability
{"oily_skin": "acceptable", "dry_skin": "acceptable", "sensitive_skin": "acceptable", "combination_skin": "acceptable", "normal_skin": "acceptable", "acne_prone": "acceptable", "rosacea": "acceptable", "eczema": "acceptable", "hyperpigmentation": "acceptable", "aging_mature": "acceptable", "dehydrated": "acceptable", "skin_benefit_primary": "exfoliating", "skin_benefit_secondary": "pH-adjusting", …
supply_chain
{"primary_producing_countries": "China, USA, India", "secondary_producing_countries": "Germany, Japan, Turkey", "raw_material_origin": "mineral", "agricultural_crop_or_wild_harvested": "mining", "cultivation_climate_required": "global", "harvest_season": "continuous", "annual_global_production_tonnes": "450000000", "market_share_top_producer_pct": "42", "supply_chain_length": "1_intermediary", "le…
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Abrasive
Absorbent
Anti-adhesive/cohesive
Anti-caking agent
Binder
Catalyst
Chelating agent
Cleaning agent
Conductive agent
Crystal growth modifiers (nucleating agents)
Regulatory List Membership (5)
EU Regulated in Personal Care
EU Restricted for Children (Cosmetics)
EPA Safer Chemical Ingredients List (SCIL)
FDA Substances Added to Food (EAFUS)
EU CosIng Cosmetics Ingredient Database
Expert Verdict
Expert safety assessment and concern-level summary for Calcium Carbonate.
Regulatory Flags
colorant
eu_children_restricted
epa_safer_alternative
fda_food_additive
eu_cosing_listed
jecfa_safe
NOAEL Studies Summary
View details ->Public NOAEL study rows linked to Calcium Carbonate by CAS number or substance name.
Studies
3
Lowest NOAEL
1000 mg/kg bw/day
Highest NOAEL
1000 mg/kg bw/day
ECHA_REACH_reach_study_results_dossiers_23-05-2023.zip
Known Synonyms
Carbonic acid calcium salt (1:1)
Calofor U 50
Caswell No. 139
CCC No.AA oolitic
EINECS 207-439-9
EPA Pesticide Chemical Code 073502
Eskalon 100
Eskalon 1500
Eskalon 200
Eskalon 400
Eskalon 800
Garolite SA
Hakuenka CC
Kredafil 150 Extra
Marble white
Neolite F
Neolite SP
Neolite TPS
UNII-H0G9379FGK
Oyster shell
Chemical Function
Abrasive
Absorbent
Dye
Viscosity modifier
pH regulating agent
Opacifer
Regulatory Lists
drinking_water; Europe; manufacturing; plastic_additive
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Europe; Pesticides
inert_ingredient; Pesticides
inert_ingredient; Pesticides
inert_ingredient; non_food_use; Pesticides
Australian Status
AICIS status: listed
Cross-Vertical Safety Context
Same-CAS public records found in pharmaceutical data.
SOURCE
ChEMBL / DrugCentral / FAERS
DB_PHARMA CAS match
Pharmaceutical Data
Same-CAS rows from the pharmaceutical spoke database.
Compound
CALCIUM CARBONATE
ChEMBL ID
CHEMBL1200539
Max Phase
4
Adverse Event Associations
16011
Frequently Asked Questions
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 and pharmaceutical 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:
Ingredient Decoder
Paste a full ingredient list for instant analysis
82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
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