Sodium Metasilicate

Sodium Metasilicate

AKA “SODIUM SILICATE, Waterglass, Sodium siliconate, Sodium sesquisilicate, Sodium silicate glass, Sodium water glass, Britesil, Carsil”

Mineral

Ingredient Facts

Sodium metasilicate

AKA: SODIUM SILICATE, Waterglass, Sodium siliconate, Sodium sesquisilicate, Sodium silicate glass, Sodium water glass, Britesil, Carsil

Mineral · Anticorrosive · EWG: 4

Synthetic

Chelating Agent

Mineral

Clean

A mineral-derived ingredient that helps stabilize formulas and maintain their pH balance, ensuring your product stays effective and gentle on skin.

Solubility VERY SOL IN COLD & HOT WATER; SOLUBLE IN DILUTE SODIUM HYDROXIDE; INSOLUBLE IN ALCOHOL, ACIDS /NONAHYDRATE/

Formula

Na2O3Si

Mol. Weight

122.06

CAS #

6834-92-0

Form

Powder

State

Sodium silicate appears as a powdered or flaked solid substance. Strong irritant to skin, eyes, and mucous membranes. May be toxic by ingestion. Concentrated aqueous solutions used as a glue.

See origin →

Functions

Anticorrosive

Buffering

Chelating

Grabs onto metal ions in water that would destabilize the formula. Keeps your product from going bad or changing color.

Prevents Corrosion

Stabilizes pH

Removes Metal Ions

Anti-Aging Benefits

Antioxidant Protection

Locks In Moisture

Prevents product degradation, Maintains optimal pH, Binds metal ions

Traditional Use

Developed in the late 19th/early 20th century as an industrial chemical, later adopted in cosmetics for its pH-buffering and conditioning properties, building on the historical use of silicate minerals in skincare.