BACK TO FOOD COLORS

COMMON NAME                                                 :         QUINOLINE YELLOW (W.S) (WATER SOLUBLE)

SYNONYMS                                                          :         (A)   C. I. FOOD YELLOW 13

                                                                                            (B)   F D & C YELLOW  10

 C. I. NUMBER                                                      :           47005

CHEMICAL NAME                                              :           DISODIUM SALT OF  THE DISULPHONIC ACID

                                                                                             OF 2 - (2-QUINOLYL) - 1,3 INDANDIONE

EMPIRICAL FORMULA                                    :            C18  H9 N   NA2 O8  S2 

MOLECULAR WEIGHT                                     :            477.4 

SOLUBILITY 

WATER                                                                  :           MODERATELY SOLUBLE IN WATER

FASTNESS PROPERTIES                                

LIGHT                                                                    :           GOOD

HEAT                                                                      :           GOOD  (UPTO 1050 c)

                                                                                 :           FAIR  (UPTO 2050 c)

FRUIT ACIDS                                                       :           EXCELLENT

BENZONIC ACID                                                :           POOR

SULPHUR DIOXIDE                                           :           GOOD

ALKALIES                                                            :            POOR

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