Congo red (Q114391)

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chemical compound
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Language Label Description Also known as
English
Congo red
chemical compound

    Statements

    Direct Red 28, Na-Salt.svg
    700 × 215; 123 KB
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    Kongo red sample.jpg
    3,117 × 2,078; 3.91 MB
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    696.0837629840004 dalton
    C1=CC=C2C(=C1)C(=CC(=C2N)N=NC3=CC=C(C=C3)C4=CC=C(C=C4)N=NC5=C(C6=CC=CC=C6C(=C5)S(=O)(=O)[O-])N)S(=O)(=O)[O-].[Na+].[Na+]
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    CongoRed.JPG
    990 × 887; 481 KB
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    Congo red synthesis.png
    1,046 × 797; 42 KB
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    Congo red
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    Identifiers

    135213
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    1 reference
    28 October 2019
    C.I. DIRECT RED 28 (English)
    10 May 2021
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    1 reference
    27 December 2018
    Disodium 3,3'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(4-aminonaphthalene-1-sulphonate) (English)
    CAS no.: 573-58-0 (English)
    1 reference
    27 December 2018
    Disodium 3,3'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(4-aminonaphthalene-1-sulphonate) (English)
    CAS no.: 573-58-0 (English)
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