Sodium carbonate (soda ash) is a white, crystalline powder with an alkaline taste. Soluble in water and glycerin, insoluble in alcohol. Its many uses include in photography, cleaning compounds, pH control, food additive and glass manufacturing.
This one ounce size is packed in a small, convenient amount for hobbyists and student science projects.
Sodium carbonate readily forms white, rhombic crystals. Read our article, "Growing Large Crystals with Seed Crystals" for more information.