Sulfate (SO42-)

Acid red 18 (E124), neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 51811-48-4

1,2,3,4-Tetramethylbenzene

Hydrindantin (reduced form of ninhydrin), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 5103-42-4