Erythrosine Specifications

Product Name Erythrosine
Colour Shade
Synonyms Food Red 14, Erythrosine B, Calcoid Erythrosine N, Aizen Erythrosine
Chemical Name 2',4',5',7'-Tetraiodo-3',6'-dihydroxy-spiro[3H-isobenzofuran-1,9'-xanthen]-3-one disodium salt
Molecular Formula C20H6I4Na2O5
C.I. No 45430
C.I. Name Acid Red 51
FDA Status FD&C Red 3
CAS No. 16423-68-0
EINECS No. 240-474-8
Test EEC (Limit)
Total coloring matters calculated as the sodium salt percent by mass Min. 87
Water insoluble matter, percent by mass Max. 0.20
Combined ether extract, percent by mass Max. 0.20
Subsidiary coloring matters (except fluorescein) percent by mass Max. 4
Total organic compound other than colouring matters, percent by mass Max. 0.50
Inorganic iodides calculated as sodium iodide percent by mass Max. 0.1
Fluorescein (mg/kg.) Max. 20
Organic compounds other than colouring matters, percent by mass
(b)2-(2,4-dihydroxy-3,5-diodobenzoyl) benzoic acid
Max. 0.20
Heavy metals as pb.(mg/kg.) Max. 40
Arsenic, (mg/kg.) Max. 3
Lead (mg/kg.) Max. 10
Mercury (mg/kg.) Max. 1
Cadmium (mg/kg.) Max. 1

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