Tartaric acid is a colorless or white crystalline powder, odorless with a strong acidic taste. It is stable in air and its aqueous solution is acidic. As 2,3-dihydroxysuccinic acid, it occurs naturally in fruits such as grapes.

1. Food industry: acidulant, pH regulator, antioxidant synergist, used in beverages, confectionery, canned food, baking, etc.
2. Pharmaceutical: pharmaceutical intermediates, excipients, chelating agents.
3. Chemical industry: metal polishing agent, mordant, photographic fixer, mirror manufacturing.
4. Daily chemicals: pH regulator and complexing agent for cosmetics.