Tata Sodium bicarbonate powder is a white, odorless, crystalline solid, also known as baking soda. It is a salt composed of a sodium cation ( Na+cap N a raised to the positive powerππ+) and a bicarbonate anion (HCO3βcap H cap C cap O sub 3 raised to the negative powerπ»πΆπβ3), giving it the chemical formula NaHCO3cap N a cap H cap C cap O sub 3πππ»πΆπ3.