Direct Yellow 117
Name:C.I.Direct Yellow 117,C.I.29041
Molecular Structure: Double azo class
Molecular Formula:C30H21N6Na3O11S3
Molecular Weight: 806.69
CAS Registry Number:12217-74-2
Manufacturing Methods : 3-Aminobenzenesulfonic acid diazo, and (2-Methoxyphenylamino)methanesulfonic acid coupling, then the water with sulfonic acid base, compounds (A): 7-Aminonaphthalene-1,3-disulfonic acid diazo, coupled with aniline, compound (B). Then will molecules of the A and B mixture to light gasification.
Properties and Applications: yellow. Used for paper shading.
List of Suppliers:
Direct Bond Yellow P-A( Ciba Specialty Chemicals Inc )
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