2,3-Pyridinediamine, 5-bromo-N2,N2-dimethyl-, hydrochloride (1:2) is a brominated pyridinediamine derivative with a dimethyl substitution at the N2 position. This compound is supplied as a dihydrochloride salt, enhancing its stability and solubility for synthetic applications. The presence of the bromo substituent at the 5-position makes it a valuable intermediate in pharmaceutical and agrochemical research, particularly for cross-coupling reactions such as Suzuki or Buchwald-Hartwig amination. The dimethylamino group further contributes to its utility as a building block in heterocyclic chemistry. Its well-defined structure and high purity ensure consistent performance in complex organic syntheses, making it suitable for specialized research and development purposes.