Tetramethylammonium hydroxide (TMAH) is a chemical compound widely used in the semiconductor and microelectronics industries. While it is effective for various applications, TMAH is also highly ...

State Key Laboratory of Precision and Intelligent Chemistry, CAS Key Laboratory of Mechanical Behavior and Design of Materials, University of Science & Technology of China, Hefei, Anhui 230026, P. R.

The solution turns brown. This brown colour is the displaced bromine. The chlorine has gone to form sodium chloride.