- Registry number
- CHEM-004
- Preferred designation
- Sodium bicarbonate
- Common names
- Baking soda · sodium hydrogen carbonate
- Chemical formula
- NaHCO₃
- CAS registry
- 144-55-8
- PubChem CID
- 516892
- Formula mass
- 84.007 g/mol
- Class
- Bicarbonate salt
Description & appearance
White crystalline powder, mildly alkaline in water.
Occurrence & historical provenance
Present as a constituent of some natural soda mineral systems; widely produced for food, medical, and industrial grades.
Established uses
Baking, buffer systems, antacid preparations, and selected cleaning applications.
Hazards & handling context
Relatively low hazard in ordinary uses; chemical grade, purity, and intended use should be distinguished.
Important distinctions
This is not sodium carbonate (Na₂CO₃). Household product labels may use similar informal names.
Source ledger
The following reference records were consulted for chemical identity and general descriptive claims. Industrial grades, formulations, and mixtures may have different hazard profiles.
Catalogued 2026-11-11 · PyreArms 0.2.0. This is an authored reference entry, not a certificate of laboratory analysis.