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Sodium Metasilicate

Used with care
Sodium Metasilicate

Sodium Metasilicate

Sodium metasilicate is a chemical substance that can be produced by the reaction of sodium hydroxide (caustic soda) with silicone dioxide (a main component of sand). It is the main component of commercial sodium silicate solutions, used in a wide range of industries, and usually appears as a white, readily-dissolvable powder. We use it in our dishwasher powder as an anti-corrosion agent and builder, to improve its cleaning properties. Sodium silicate is a known irritant if it comes into contact with the eyes or skin; we take care using this ingredient and direct contact is best avoided.

Other names: Na2O3Si, Disodium Silicate, Sodium Silicon Oxide; Silicic Acid, Disodium Salt

INCI Name:
Sodium Metasilicate
Ingredient origins:
Quartz Sand
Anti-Corrosion Additive, Builder
Common name:
Sodium Metasilicate
EWG score: The EWG score is a hazard score ranging from 1-2 (low hazard), 3-6 (moderate hazard) and 7-10 (high hazard) published by the Environmental Working Group. Their data is sourced from the Skin Deep® database and studies published in open scientific literature.