Tartrazine

empirical formula : c16h9n4o9s2al3 cas no : 12225-21-7 c.i. Name : food yellow 4:1 c.i. No : 19140 : 1 ec status : e 102 einecs no : 235-428-9 fda status : fd & c yellow 5 lake inci no : 19140:1 synonyms : pigment yellow 100 bis no : n / a description : physical appearance : fine yellow orange powder solubility : insoluble in water & in most organic solvents soluble in acids & alkalis