| Identification | Back Directory | [Name]
1-Naphthalenesulfonic acid, 6-[[5-chloro-4-[(2-hydroxy-6-sulfo-1-naphthalenyl)azo]-2-methoxyphenyl]azo]-5-hydroxy-, disodium salt | [CAS]
6374-11-4 | [Synonyms]
Acid Blue 44
C.I.Acid Blue 44:C.I.21640
1-Naphthalenesulfonic acid, 6-[[5-chloro-4-[(2-hydroxy-6-sulfo-1-naphthalenyl)azo]-2-methoxyphenyl]azo]-5-hydroxy-, disodium salt | [EINECS(EC#)]
613-364-6 | [Molecular Formula]
C27H20ClN4NaO9S2 | [MOL File]
6374-11-4.mol | [Molecular Weight]
667.04 |
| Hazard Information | Back Directory | [Preparation]
2′-Methoxy-4′-amino-5′-chlorooxanilic acid diazo, and 6-Hydroxynaphthalene-2-sulfonic acid coupling, hydrolysis, the grass, then diazo, and 5-Hydroxynaphthalene-1-sulfonic acid coupling. | [Properties and Applications]
red light navy blue. Soluble in water for deep purple, rarely soluble in alcohol. The strong sulfuric acid in turquoise, diluted for purple. In water solution to join strong hydrochloric acid for blue purple; Add thick sodium hydroxide solution as dark blue.
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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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4-5
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2
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2
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1
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2-3
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