What are the key physical properties and handling considerations for 4-bromo-1,2-benzenediamine buyers?

What are the key physical properties and handling considerations for 4-bromo-1,2-benzenediamine buyers?
4-Bromo-1,2-benzenediamine, a brominated derivative of o-phenylenediamine, shares similar handling characteristics with its parent compound. OPD appears as colorless monoclinic crystals, soluble in ether, ethanol, and chloroform, but only slightly soluble in water. The brominated version typically shows higher molecular weight and altered solubility profiles, often requiring careful solvent selection in synthesis. Like other benzenediamines, it is unstable in air and tends to discolor, turning pink or reddish upon oxidation. Storage under inert atmosphere or refrigeration is recommended to maintain purity. The compound serves as a versatile intermediate for synthesizing heterocycles, quinoxalines, and benzimidazoles used in pharmaceutical and agrochemical applications. Buyers should verify purity specifications, as trace impurities can significantly affect downstream reaction yields, particularly in catalytic processes where amine quality is critical.