Solvent Yellow 4
Name:C.I.Solvent Yellow 4,C.I.11350
Molecular Structure: Single azo class
Molecular Formula:C16H13N3
Molecular Weight: 247.29
CAS Registry Number:131-22-6
Manufacturing Methods : aniline diazotization, and Naphthalen-1-amine coupling.
Properties and Applications: brilliant red light yellow to brilliant yellow orange (mineral oil). Red acicular crystal, melting point 123 ℃. Soluble in alcohol and benzene. In concentrated sulfuric acid for magenta; After dilution for red light brown, precipitation, At 2% hot hydrochloric acid solution for magenta solution, there are residues. Dye alcohol solution to join concentrated sodium hydroxide solution for yellow brown. Used for oil, paraffin wax, paint color.
Standard | Light Fastness | Heat-resistant(℃) | Water | Sodium Carbonate(5%) | Hydrochloric acid(5%) | |
Melting point | Stable | |||||
ISO | Well | 109 | 75 | Insoluble | No change | Poor |
List of Suppliers:
Dayglo Solvent Yellow 4( Day-Glo Color Corp. )
Nubian Yellow TB( Williams of Hounslow )
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