Natural Yellow Defination: Presenting Riboflavin-5-Phosphate , a Natural Yellow, perfect substitute for Tartrazine, E 102. E 101 (ii) RIBOFLAVIN-5′-PHOSPHATE Synonyms: Riboflavin-5′-phosphate sodium Class: Isoalloxazine Einecs: 204-988-6 Chemical Name: Monosodium (2R,3R,4S)-5-(3′)10′-dihydro-7′,8′-dimethyl-2′,4′-dioxo-10′-benzo[γ]pteridinyl)-2,3,4-trihydroxypentyl phosphate Chemical Formula: For the dihydrate form: C17H20N4NaO9P·2H2O & For the anhydrous form: C17H20N4NaO9P Molecular Weight: 541,36 Synthetic Water Soluble Colors Defination: A full range of Synthetic Water Soluble \nColours conforming to the