Our goal is to get to the scale where we all make money at it.’ Michele Stansfield, co-founder and chief executive at ...

Aniline is normally colorless but can darken and change color through oxidation, a chemical reaction with oxygen. The substance is highly toxic to aquatic life. Related: Earth from space ...

Perkin would have performed a combustion analysis, so he knew that aniline contained carbon ... When Perkin performed the reaction, a black tarry product was formed, and from that Perkin isolated a ...