This ferrocene derivative, also known as (S)-(R)-PPFA, presents as a pale yellow to yellow red crystalline powder. It is known to be insoluble in water. For best results, keep container tightly closed. Store in a cool and dark place at ambient temperatures - this substance is air sensitive and light sensitive. (S)-N,N-Dimethyl-1-[(R)-2-(diphenylphosphino)ferrocenyl]ethylamine is incompatible with oxidizing agents. This chemical is harmful if swallowed. It causes skin irritation as well as serious eye irritation.