Name: Sodium sesquicarbonate Sodium sesquicarbonate (Systematic name trisodium hydrogendicarbonate) Na3H(CO3)2, which is a double salt of sodium bicarbonate and sodium carbonate, and has a needle-like crystal structure. However, the term is also applied to an equimolar mixture of those two salts, with whatever water of hydration the sodium carbonate includes, supplied as a powder. The dihydrate, Na3H(CO3)22H2O, occurs in nature as the evaporite mineral trona E500,Sodium sesquicarbonate ,Sodium sesquicarbonate acidity regulator,Sodium sesquicarbonate raising agent,Sodium sesquicarbonate supplier,Sodium sesquicarbonate manufacturer,Sodium sesquicarbonate exporter,Sodium sesquicarbonate importer,Sodium sesquicarbonate distributor