Oxalic acid, also known as ethanedioic acid, is a colorless crystalline widely used as a bleaching or cleaning agent. It is a toxic organic compound with the formula C2H2O4 and may be present in some ...

Q: Thank you so much for your article on rust and oxalic acid ("Rust isn't her best color," Jan. 7). We have had this problem for years! And it is frustrating. We even have our water treated through ...

Ever notice a gritty film covering your teeth after eating a spinach salad? This phenomenon, called "spinach tooth," happens because the leafy greens are chock-full of oxalic acid. This naturally ...

A team led by Brent Wagner, MD, a professor in the University of New Mexico's School of Medicine Department of Internal Medicine, conducted a study published in the journal Magnetic Resonance Imaging.

Q: I've heard that spinach and some other vegetables contain significant amounts of oxalic acid, which can interfere with absorption of some minerals. What do you think about the oxalic acid issue? A: ...

Oxalic acid is one of the strongest organic acids. It is widely used in wood restorers and deck cleaners to dissolve the top layer of dried wood and expose a clean layer. Learn more about this ...