Dragendorffs reagent by Research Lab Fine Chem Industries is a high grade reagent. This is preparation mixture of potassium bismuth iodide prepared from basic bismuth nitrate, tartaric acid, and potassium iodide. The reagent is available as a dark orange solution. While it is stable under general conditions, this reagent is incompatible with strong oxidizing agents. Quantity Provided: 125 ml per bottle Test reagent for alkaloidsDragendorffs reagent has a variety of applications in chemical and biological sectors. This compound finds several applications in the synthesis of various organic derivatives. Dragendorffs reagent is used to detect the presence of alkaloids in a test sample. It generally detects tertiary amines and certain secondary amines. Formation of an insoluble yellow/reddish-yellow/brick-red precipitate indicates a positive test. This reagent is suitable for the industrial synthesis of products and research applications.