Edetic Acid Chromium Salt, also known as EDTA Chromium Salt, is a chemical compound that is commonly used in various industries. However, if we were to look for antonyms for this term, we would have to focus on the opposite properties of EDTA Chromium Salt. The term "antonyms" refers to words that have opposite meanings, but since we are dealing with a chemical term, it would be more appropriate to talk about the opposite properties. Therefore, the antonyms for EDTA Chromium Salt would be anything that is not a chelating agent, water-soluble, or stable at high temperatures. This would include substances that are hydrophobic, insoluble, and unstable under extreme conditions.