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COMMON NAME                                                 :                             CARMOISINE

SYNONYMS                                                          :                              (A)   C.I. FOOD RED 3

                                                                                                                  (B) AZO RUBINE AS

                                                                                                                  (C) STRAWBERRY RED

C.1. NUMBER                                                       :                                 14720

CHEMICAL NAME                                              :                                 DISODIUM SALT OF 2 - (1 - NAPHTHYLAZO

                                                                                                                   SULPHONIC ACID) - 1 - HYDROXY - NAPHTHALANE

                                                                                                                   SULPHONIC ACID)    

EMPERICAL FORMULA                                   :                                 C20 H12  O7 S2 N2  Na2

MOLECULAR  WEIGHT                                    :                                  502

SOLUBILITY (WATER)                                     :                                   72 GRAMS PER LITRE

FASTNESS PROPERTIES (LIGHT)                :                                    GOOD (WATER)

(HEAT)                                                                   :                                    GOOD (UPTO 105o C)

                                                                                                                       FAIR (UPTO 205o C)

FRUIT ACIDS                                                       :                                    VERY GOOD

BENZONIC ACIT                                                 :                                    GOOD

SULPHUR DIOXIDE                                            :                                     FAIR

ALKALIES                                                              :                                    FAIR