FAST RED E
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). No ADI was allocated at the 21stJECFA (1977)
SYNONYMS CI Food Red 4, CI (1975) No. 16045
DEFINITION Consists essentially of disodium 2-hydroxy-1-(4-sulfonato-1-naphthylazo) naphthalene-6-sulfonate 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 2-hydroxy-1-(4sulfonato-1-naphthylazo)-6-naphthalenesulfonate
C.A.S. number 2302-96-7
Chemical formula C20H12N2Na2O7S2
Formula weight 502.44
Assay Not less than 85% total colouring matters
DESCRIPTION Red-brown powder or granules
FUNCTIONAL USES Colour