mercuric bromide is the chemical compound composed of mercury and bromine with the formula HgBr2. This white crystalline solid is a laboratory reagent. Like mercury(II) chloride, it is extremely toxic.
M 1667 (OTTO) Mercury(II) bromide, GR, 99%+ Cas 7789-47-1 - used as a reagent in the Koenigs-Knorr reaction, which forms glycoside linkages on carbohydrates. M 1667 (OTTO) Mercury(II) bromide, GR, 99%+ Cas 7789-47-1 - used to test for the presence of arsenic, as recommended by the Pharmacopoeia.