Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Pigment Red 51:1,C.I.15580:1

Molecular Structure: Single azo

C.I.Pigment Red 51:1,C.I.15580:1,CAS 5850-87-3,342.37,C17H14N2O4S

Molecular Formula:C₁₇H₁₄N₂O₄S

Molecular Weight: 342.37

CAS Registry Number:5850-87-3

Manufacturing Methods : 4-Amino-2-methylbenzetiesulfonic acid diazotization, and Naphthalen-2-ol coupling, and then convert it to calcium salt.

Properties and Applications: yellow red.

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