A propionate or propanoate compound is a salt or ester of propionic acid.
Propionates/propanoates should not be confused with propenoates, the ions/salts/esters of propenoic acid (also known as 2-propenoic acid or acrylic acid).
Testosterone Propionate is used by intramuscular injection and is prescribed to men who have low testosterone or muscle wasting disease.