| Identification | Back Directory | [Name]
sodium hydroxy[2-hydroxy-3-[(2-hydroxy-1-naphthyl)azo]-5-nitrobenzenesulphonato(3-)]chromate(1-) | [CAS]
6370-15-6 | [Synonyms]
C.I. 15685 Acid Red 184 Kemacid Red 184 Acid Violet Brown B Pacid Violet Brown B Neolan Violet Brown B Oxanal Fast Violet RB Navitan Violet Brown B Acid red 184 (C.I. 15685) C.I.Acid Red 184:C.I.15685 sodium hydroxy[2-hydroxy-3-[(2-hydroxy-1-naphthyl)azo]-5-nitrobenzenesulphonato(3-)]chromate(1-) | [EINECS(EC#)]
228-876-1 | [Molecular Formula]
C18H15CrNNaO8S* | [MOL File]
6370-15-6.mol | [Molecular Weight]
480.364 |
| Hazard Information | Back Directory | [Preparation]
3-Amino-2-hydroxy-5-nitrobenzenesulfonic acid diazo, and Naphthalen-2-ol coupling, and then in aqueous solution together with formic acid chromium heating, in 130 ° C keep 0.5 ~ 1.5 hours to form chromium complex. | [Properties and Applications]
red. Purplish red powder, soluble in water for purplish red color. The strong sulfuric acid dyes for purple, the diluted solution turned pale red purple, after gradually precipitation. Levelness and white sex are good. Copper ions in dyeing color change to blue; Iron ion in light blue and light. Used for wool, polyamide fiber, silk and their blended fabric dyeing and printing, also used in leather shading and organic pigments.
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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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5-6
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4
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5
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1
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3-4
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AATCC
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4-5
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2
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5
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5
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