FAST RED AL SALT bis[9,10-dioxoanthracene-1-diazonium] tetrachlorozincate(2-) FAST RED AL SALT C.I. 37275 Bis-(9,10-dioxoanthracene-1-diazonium) tetrachlorozincate FAST RED AL SALT, PURE Anthraquinone-1-diazonium hemi(zinc chloride) salt ANTHRAQUINONE-1-DIAZONIUM CHLORIDE AZOIC DIAZO COMPONENT 36