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Food Yellow 9

Name:C.I.Food Yellow 9,C.I.20281

Molecular Structure: Double azo class

C.I.Food Yellow 9,C.I.20281,CAS 25807-51-6,C18H11N4Na3O11S3,624.47

C.I.Food Yellow 9,C.I.20281,CAS 25807-51-6,C18H11N4Na3O11S3,624.47

Molecular Formula:C18H11N4Na3O11S3

Molecular Weight: 624.47

CAS Registry Number:25807-51-6

Manufacturing Methods :  4-Aminobenzenesulfonic acid (2 Moore) diazo, and 2,4-Dihydroxybenzenesulfonic acid coupling.

Properties and Applications:  yellow. And C.I.Acid yellow 105 the same chemical structure.

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