TCI C0114 2-Chloroaniline Hydrochloride (CAS 137-04-2) is the hydrochloride salt of the ortho chloroaniline isomer, supplied as a solid in a 25 g pack. The salt form allows accurate weighing and convenient storage compared with the liquid free base, while preserving the ortho substitution pattern useful for cyclisation chemistry. It works directly in acidic aqueous reactions such as diazotisation and can be neutralised to liberate the free amine. Weigh it in a fume hood with gloves, eye protection, and dust protection, and keep the container tightly closed in a cool, dry place.
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