| Identification | Back Directory | [Name]
Mordant Orange 37 | [CAS]
6441-98-1 | [Synonyms]
C.I. 18730
Mordant Orange 37
Acid mordant Orange 37
Mordant orange 37 (C.I. 18730)
C.I.Mordant Orange 37:C.I.18730
Sodium 3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-4-hydroxybenzenesulfonate
sodium 3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-4-hydroxybenzenesulphonate
sodium,(3E)-3-[(3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-yl)hydrazinylidene]-4-oxocyclohexa-1,5-diene-1-sulfonate | [EINECS(EC#)]
229-234-3 | [Molecular Formula]
C16H13N4NaO5S | [MOL File]
6441-98-1.mol | [Molecular Weight]
396.353 |
| Hazard Information | Back Directory | [Preparation]
3-Amino-4-hydroxybenzenesulfonic acid diazotization, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one coupling. | [Properties and Applications]
dark red light orange. Soluble in water, soluble in ethanol apply for green yellow. In concentrated sulfuric acid to green light yellow, after dilution is still green yellow. Its aqueous solution to join concentrated hydrochloric acid for green yellow; Crowding sodium hydroxide for green yellow. Used for wool fabric dyeing.
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Standard
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Ironing Fastness
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Light Fastness
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Fulling
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Persperation Fastness
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Soaping
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Water
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Alkali
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Acid
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ISO
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3
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6-7
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3-4
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3
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5
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4
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4-5
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