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    FD and C Yellow No. 5,CAS No. 1934-21-0.

    FD and C Yellow No. 5 CAS No.1934-21-0 / Cat No.EBD923

    Formula: C16H9N4Na3O9S2
    Molecular Weight:534.36
    Synonyms:

    Tartrazine

    C.I. 640

    C.I. 19140

    C.I. Acid Yellow 23

    C.I. Acid Yellow 23, trisodium salt

    C.I. Food Yellow 4

    C.I. Acid Yellow 23, trisodium salt (VAN) (8CI)

    Tartrazine

    4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl)azo]-1H-Pyrazole-3-carboxylic acid, trisodium salt

    Acid Yellow 23

    Dihydro-5-oxo-1-(4-sulfophenyl)-4-((4-sulfophenyl)azo)-1H-pyrazole-3-carboxylic acid, trisodium salt

    FD&C Yellow No. 5

    Filter Yellow

    Food Yellow No.4

    Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-((4-sulfophenyl)azo)-, trisodium salt

    Tartrazine C

    Tartrazine C.I.19140

    Trisodium 1-(4-sulfonatophenyl)-4-(4-sulfonatophenylazo)-5-pyrazolone-3-carboxylate

    Trisodium 1-(4-sulfophenyl)-4-((4-sulfophenyl)azo)-1H-pyrazole-3-carboxylate

    trisodium (4Z)-5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)hydrazono]-4,5-dihydro-1H-pyrazole-3-carboxylate

    trisodium (4E)-5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)hydrazono]-4,5-dihydro-1H-pyrazole-3-carboxylate

    trisodium 5-hydroxy-1-(4-sulfonatophen

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    Properties

    Safety Information

    NMR Spectrum

    氢谱   NMR 1H

    碳谱   NMR 13C

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