disodium

Prefix for sodium-two

Disodium indicates that a chemical compound contains two sodium atoms per molecule.

The term appears most often on ingredient labels for food additives and pharmaceuticals: disodium phosphate, disodium EDTA.

It functions as a technical prefix rather than a standalone word.

additive

flavor enhancer

Substance improving taste

emulsifier · stabilizer · preservative · ingredient list · processed food · anti-caking · texture · mouthfeel · formulation

water-treatment

softener

Agent that reduces hardness

chelation · water softening · sequestrant · cleaning agent · detergent · industrial · municipal

chemistry

compound

Combined into one

salt · ionic bond · valence · crystal · lattice · electrolyte · dissociation · solubility · hydrate · alkaline

Opposites
sodium atom count

disodiummonosodium

One sodium atom attached

trisodium · tetrasodium · anhydrous · potassium

Family

sodium, monosodium, trisodium

Familiarity
Top 500,000
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Used worldwide · Timeless · Rated G