Sodium Carbonate
molecular structure · PubChem
AKA: 497-19-8, Disodium carbonate, Soda Ash, Carbonic acid disodium salt, Anhydrous, Sodium carbonate anhydrous, Calcined soda, Solvay soda, Washing soda
Synthetic
Clean
Sodium Carbonate is the disodium salt of carbonic acid with alkalinizing property. When dissolved in water, sodium carbonate forms carbonic acid and sodium hydroxide. As a strong base, sodium hydroxide neutralizes gastric acid thereby acting as an antacid.
Solubility Freely soluble in water. Insoluble in ethanol
Formula
CNa2O3
Mol. Weight
105.99
CAS #
497-19-8
Form
Powder
State
Other Solid; Liquid, Other Solid; Dry Powder; Water or Solvent Wet Solid; Liquid; Pellets or Large Crystals; Dry Powder, Liquid; NKRA
Functions
Buffering
Bulking
Stabilizes pH
Adds Body & Volume
Wound Healing
Antioxidant Protection
Fights Bacteria
Maintains optimal pH
Adds volume
Traditional Use
An ancient mineral compound known as washing soda, used for centuries in laundry and cleaning. Historically derived from wood ash or mined from natural deposits; adopted into cosmetics for pH buffering and gentle cleansing applications.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed3 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR