Direct Yellow 118
Name:C.I.Direct Yellow 118,C.I.29042
Molecular Structure: Double azo class
Molecular Formula:C31H23N6Na3O11S3
Molecular Weight: 820.72
CAS Registry Number:12217-75-3
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, and a coupling m-Toluidine, compound (B). Then will molecules of the A and B mixture to light gasification.
Properties and Applications: yellow. Used for paper color.
List of Suppliers:
Direct Yellow CDN
Direct Yellow 118 (Fenchem Enterprises Ltd)
Direct Yellow DM (Classic Dyestuffs Inc)
Direct Yellow P-DM( Ciba Specialty Chemicals Inc )
Pyrazol Yellow CDN( Clariant GmbH )