This amine, also known as (S)-(-)-4-Bromo-alpha-phenylethylamine, presents as a colorless to very pale-yellow liquid. Store locked up and under inert gas for optimal safety precautions. Keep container tightly closed and in a cool and dark place - this substance is air sensitive. (S)-(-)-1-(4-Bromophenyl)ethylamine is incompatible with oxidizing agents as well as acids. This chemical causes severe skin burns and eye damage.