| Identification | Back Directory | [Name]
trihydrogen bis[3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-2-hydroxy-5-nitrobenzenesulphonato(3-)]chromate(3-) | [CAS]
13463-42-8 | [Synonyms]
C.I.Solvent Orange 5:C.I.18745:1
trihydrogen bis[3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-2-hydroxy-5-nitrobenzenesulphonato(3-)]chromate(3-)
Chromate(3-), bis[3-[(4,5-dihydro-3-methyl- 5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-2-hydroxy -5-nitrobenzenesulfonato(3-)]-, trihydrogen | [EINECS(EC#)]
236-672-9 | [Molecular Formula]
C32H21CrN10O14S2(-2) | [MOL File]
13463-42-8.mol | [Molecular Weight]
885.69 |
| Hazard Information | Back Directory | [Preparation]
3-Amino-2-hydroxy-5-nitrobenzenesulfonic acid diazotization, with 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one coupling, and its product (C.I. Mordant Orange 29) at 130 ℃ in Chromium formate in aqueous solution, heating 3 hours, make it into Chromium complex and changed into (2 s) – 1 – (3 – Acetylthio – 2 – methyl – 1 – oxopropyl) – L – proline form. | [Properties and Applications]
orange. Soluble in water for orange, soluble in ethanol, slightly soluble in Cellosolve. In concentrated sulfuric acid for deep yellow, to orange after diluted; In 10% sodium hydroxide solution for orange solution
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Standard
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Light Fastness
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Heat-resistant(℃)
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water
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Sodium Carbonate(5%)
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Hydrochloric acid(5%)
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Melting point
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Stable
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ISO
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WellExcellent
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160
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Well
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Dissolve
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Slightly soluble
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