BACK TO FOOD COLORS

COMMON NAME                                                 :              SUNSET YELLOW

SYNONYMS                                                           :            (A)  FD &  C YELLOW 6

                                                                                                (B)  C.I.FOOD YELLOW 3

                                                                                                (C)  ORANGE YELLOW

                                                                                                (D)  APRICOT ORANGE

C. I. NUMBER                                                         :             15985

CHEMICAL NAME                                                :             DISODIUM SALT OF 1-(4-SULPHO-1  

                                                                                                  PHENYLAZO)  2 -HYDROXYNAPHTHALENE-6 -

                                                                                                 SULPHONIC ACID

EMPIRICAL FORMULA                                       :            C16 H10 N2 O7 S2 NA2

MOLECULAR WEIGHT                                        :             452.4

SOLUBILITY  (WATER)                                       :             120 GMS PER LITRE

FASTNESS PROPERTIES                                

LIGHT                                                                        :             VERY GOOD (IN WATER)

HEAT                                                                          :             VERY GOOD (UP TO 2050 C)

FRUIT ACIDS (CITRIC & TARTARIC)              :             EXCELLENT

BENZOIC ACID                                                       :            VERY GOOD

SULPHUR DIOXIDE                                                :             FAIR

ALKALIES                                                                 :            FAIR (BECOMES REDDER)