Phenols, sodium salts, mixed with sulfur compounds, gasoline alk. scrubber residues

Formula : Unspecified
CAS : 68988-99-8 

TSCA Definition 2019: A complex combination of phenolic compounds and sulfur compounds obtained from the treatment of gasoline with aqueous alkali at the catalytic cracking unit. It consists primarily of sodium salts of phenols, water neutral oils, and sulfur compounds.

Phenolsulfonephthalein sodium

Formula : C19-H14-O5-S.Na
CAS : 34487-61-1 

Red dye, pH indicator, and diagnostic aid for determination of renal function. It is used also for studies of the gastrointestinal and other systems.