White powder or crystalline lumps; cooling, slightly alkaline taste; soluble in
water; insoluble in alcohol; stable in dry air but slowly decomposes in moist air.
Manufacture of effervescent salts and beverages, artificial mineral water,
baking powder; other sodium salts, pharmaceuticals, sponge rubber, gold and
platinum plating, treating wool and silk, fire extinguishers, prevention of
timber mold, cleaning preparations, lab reagent, antacid, mouth was.