| Identification | Back Directory | [Name]
1-[(2-hydroxy-3,5-dinitrophenyl)azo]-2-naphthol | [CAS]
4998-82-7 | [Synonyms]
C.I.12200
Einecs 225-663-5
Mordant Black 19
C.I.Mordant Black 19
C.I.Mordant Black 19:C.I.12200
1-[(2-hydroxy-3,5-dinitrophenyl)azo]-2-naphthol
2-Naphthalenol, 1-((2-hydroxy-3,5-dinitrophenyl)azo)-
2-Naphthalenol, 1-(2-(2-hydroxy-3,5-dinitrophenyl)diazenyl)- | [EINECS(EC#)]
225-663-5 | [Molecular Formula]
C16H10N4O6 | [MOL File]
4998-82-7.mol | [Molecular Weight]
354.274 |
| Hazard Information | Back Directory | [Preparation]
2-Amino-4,6-dinitrophenol diazotization, and Naphthalen-2-ol coupling. | [Properties and Applications]
blue light grey. Soluble in hot water for red brown, soluble in ethanol for brilliant purple, insoluble in benzene. In concentrated sulfuric acid to purple, red brown after dilution precipitation; In concentrated nitric acid for red solution, and then into a pale yellow; In concentrated hydrochloric acid in red brown precipitation.
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Standard
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Ironing Fastness
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Light Fastness
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Fulling
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Persperation Fastness
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Soaping
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Water
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Alkali
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Acid
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ISO
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4
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5
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4-5
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4-5
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4
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5
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5
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