Calcium carbonate

Safety Summary

Regulatory Status

Sources

No citations are recorded specifically for the human adult context, so the record-wide source list is shown. It backs the record, not this particular band.

• Calcium Carbonate CaCO3 Limestone Calcite Chalk Marble; Essential Mineral RDA 1000-1200 mg/day UL 2500 mg/day; Hydroxyapatite Bone Teeth 99% Body Ca; Supplement Antacid E170 Food Additive Excipient; Milk-Alkali Syndrome Hypercalcemia Kidney Stone WHI Trial; Bolland Cardiovascular Risk Meta-Analysis Disputed; Drug Interactions Fluoroquinolone Tetracycline Iron Separation 2h; Cement Calcination 4% Global CO2; Ocean Acidification CaCO3 Saturation Coral Bleaching; IARC Not Evaluated Not Carcinogen REGULATORY · 2020
• identity database ECHA CHEM, Download all substances: REACH registrations (ECHA's own list of REACH-registered substances) REGULATORY · 2026
• where to look PubChem: Toxicity section (CID 10112) PUBCHEM
• Computational Toxicology and Exposure APIs: Data Domains (EPA CCTE) REGULATORY
• CompTox Chemicals Dashboard: Release Notes (EPA) REGULATORY
• NIOSH Pocket Guide to Chemical Hazards: Calcium carbonate (npgd0090) REGULATORY
• PubChem computed properties for CID 10112 (computed, not measured; as recorded by PubChem) DATABASE · 2026
• OEHHA Proposition 65 List of Carcinogens or Reproductive Toxicants (CSV, list date 31-Jul-26) REGULATORY
• where to look CAMEO Chemicals, as recorded by PubChem (Experimental Properties, CID 10112; where-to-look, not a source of this value) DATABASE · 2026
• where to look ILO-WHO International Chemical Safety Cards (ICSCs), as recorded by PubChem (Experimental Properties, CID 10112; where-to-look, not a source of this value) DATABASE · 2026
• EPA CompTox CTX API: predicted properties for DTXSID3036238 (Calcium carbonate) REFERENCE
• PubChem computed structure descriptors for CID 10112 (computed, not measured; as recorded by PubChem) DATABASE · 2026

Same data as the API response, which is open and needs no key. The full per-record source list is available to authenticated callers.