Sal soda

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White, water-soluble crystals composed of sodium carbonate decahydrate. Sal soda, or washing soda, is used as a laundry soap and has a mild bleaching action of cotton and linen. It is also used as a water softener.

Synonyms and Related Terms

soda; sodium carbonate decahydrate; washing soda; hydrated sodium carbonate; Nevite


Inhalation and skin contact may cause irritation.

Physical and Chemical Properties

Soluble in water; Aqueous solution is strongly alkaline. Insoluble in ethanol.

Composition Na2CO3-10H2O
Melting Point 32.5-34.5
Density 1.44-1.46

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