Identification | Back Directory | [Name]
2,6-Naphthalenedisulfonic acid, 4-hydroxy-3-[(2-methoxy-5-methylphenyl)azo]-, disodium salt | [CAS]
5864-85-7 | [Synonyms]
C.I.Acid Red 22:C.I.14940 2,6-Naphthalenedisulfonic acid, 4-hydroxy-3-[(2-methoxy-5-methylphenyl)azo]-, disodium salt | [EINECS(EC#)]
611-729-4 | [Molecular Formula]
C18H17N2NaO8S2 | [MOL File]
5864-85-7.mol | [Molecular Weight]
476.45 |
Hazard Information | Back Directory | [Preparation]
2-Amino-4-methylanisole diazo, and 1-Naphthol-3,7-disulfonic acid?coupling | [Properties and Applications]
red. Soluble in water for product red, and adequate soluble in alcohol in red. The strong sulfuric acid for purple, diluted red for quality. In aqueous solution to join strong hydrochloric acid for product red; Add sodium hydroxide into a brown.
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
|
ISO
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4
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4
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3
|
2-3
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1
|
|
2-3
|
|
|
|
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