Is sodium citrate caustic?
No it's not caustic. In fact the pH is about 7
The reaction between citric acid and sodium bicarbonate (baking soda). is an acid base reaction. This reaction produces water, carbon dioxide, sodium hydrogen citrate, and sodium citrate. The relative amounts of sodium hydrogen citrate and sodium citrate produced depend on the amount of citric acid added.
They are two completely different substances Sodium nitrate is NaNO3, a compound of sodium, nitrogen, and oxygen. It is an inorganic salt and a strong oxidizer. It is sometimes used as a fertilizer or in black powder. There are 3 variants of sodium citrate: Monosodium citrate (NaH2C6H5O7), disodium citrate (Na2HC6H5O7), and trisodium citrate (Na3C6H5O7). All three are compounds of sodium, hydrogen, carbon, and oxygen. They are organic salts commonly used as food additives.