| Identification | Back Directory | [Name]
sodium 5-hydroxy-6-(naphthylazo)naphthalenesulphonate | [CAS]
5858-53-7 | [Synonyms]
C.I.14830
Acid Red 20
C.I.Acid Red 20
C.I.Acid Red 20:C.I.14830
Lutetia Brilliant Bordeaux BO
sodium 5-hydroxy-6-(naphthylazo)naphthalenesulphonate
5-Hydroxy-6-(1-naphthalenylazo)-1-naphthalenesulfonic acid sodium salt
1-Naphthalenesulfonicacid, 5-hydroxy-6-[2-(1-naphthalenyl)diazenyl]-, sodium salt (1:1) | [EINECS(EC#)]
227-493-7 | [Molecular Formula]
C20H13N2NaO4S | [MOL File]
5858-53-7.mol | [Molecular Weight]
400.383 |
| Hazard Information | Back Directory | [Preparation]
Naphthalen-1-amine diazo, and 5-Hydroxynaphthalene-1-sulfonic acid coupling. | [Properties and Applications]
red. Slightly soluble in water for orange red. The strong sulfuric acid for blue, red after diluted precipitation; In nitric acid solution for orange brown.
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Standard
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Light Fastness
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Soaping
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Persperation Fastness
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Oxygen bleaching
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Fastness to seawater
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Fading
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Stain
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Fading
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Stain
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Fading
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Stain
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ISO
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3
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3
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1-2
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2
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2
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2-3
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