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Sodium Bicarbonate (Baking Soda) (NaHCO3) — Properties, Uses & Safety
🏠 Everyday & HouseholdOverview
Common baking soda, used as a leavening agent in baking, antacid for heartburn, and mild household cleaner.
- IUPAC Name
- sodium hydrogen carbonate
- CAS Number
- 144-55-8
- PubChem CID
- 516892
- Molecular Formula
- NaHCO3
- Molar Mass
- 84.01 g/mol
- State at STP
- solid
- Appearance
- White crystalline powder
Physical Properties
- Melting Point
- 50 °C
- Density
- 2.2 g/cm³
- Solubility in Water
- 96 g/L at 25 °C
- ΔH°f
- -950.8 kJ/mol
Composition
| Element | Count | Mass % |
|---|---|---|
| Na | 1 | 27.37% |
| H | 1 | 1.2% |
| C | 1 | 14.3% |
| O | 3 | 57.14% |
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