AZORUBINE
Prepared at the 28th JECFA (1984), published in FNP 31/1 (1984) and in FNP 52 (1992). Metals and arsenic specifications revised at the 59th
JECFA (2002). An ADI of 0-4 mg/kg bw was established at the 27th JECFA (1983)
SYNONYMS CI Food Red 3, Carmoisine, CI (1975) No. 14720, INS No. 122
DEFINITION Consists essentially of disodium 4-hydroxy-3-(4-sulfonato-1-naphthylazo)-1-naphthalenesulfonate and subsidiary colouring matters together with sodium chloride and/or sodium sulfate as the principal uncoloured components.
May be converted to the corresponding aluminium lake in which case only the General Specifications for Aluminium Lakes of Colouring Matters shall
apply.
Chemical names Disodium 4-hydroxy-3-(4-sulfonato-1-naphthylazo)-1-naphthalenesulfonate
C.A.S. number 3567-69-9
Chemical formula C20H12N2Na2O7S2
Formula weight 502.44
Assay Not less than 85% total colouring matters
DESCRIPTION Red powder or granules
FUNCTIONAL USES Colour
