Identification | Back Directory | [Name]
3-Hydroxy-4-[(2-methylphenyl)azo]naphthalene-2,7-disulfonic acid disodium salt | [CAS]
5858-30-0 | [Synonyms]
C.I.16140 Acid Red 24 C.I.Acid Red 24 C.I.Acid Red 24:C.I.16140 3-Hydroxy-4-[(2-methylphenyl)azo]-2,7-naphthalenedisulfonic acid disodium salt 3-Hydroxy-4-[(2-methylphenyl)azo]naphthalene-2,7-disulfonic acid disodium salt sodium,(4Z)-4-[(2-methylphenyl)hydrazinylidene]-3-oxonaphthalene-2,7-disulfonic acid | [MOL File]
5858-30-0.mol |
Hazard Information | Back Directory | [Preparation]
O-Methylaniline diazo, coupled with 3-Hydroxynaphthalene-2,7-disulfonic acid. | [Properties and Applications]
yellow light red. Soluble in water, slightly soluble in ethanol for orange red. The strong sulfuric acid explicit orange red, orange is still the diluted. In water solution to join strong hydrochloric acid for orange red; Add sodium hydroxide for orange 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
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ISO
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1-2
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2
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2
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2
|
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2
|
|
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|
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