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Solvent Yellow 4

Name:C.I.Solvent Yellow 4,C.I.11350

Molecular Structure: Single azo class

C.I.Solvent Yellow 4,C.I.11350,CAS 131-22-6,247.29,C16H13N3,Nubian Yellow TB

C.I.Solvent Yellow 4,C.I.11350,CAS 131-22-6,247.29,C16H13N3,Nubian Yellow TB

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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