(Q114391)

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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696.66 gram per mole
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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

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135213
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1 reference
28 October 2019
C.I. DIRECT RED 28 (English)
10 May 2021
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209-358-4
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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