Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name: 4-Amino-5-(phenylsulfonyloxy)naphthalene-2,7-disulfonic acid

CA Name: 2,7-Naphthalenedisulfonic acid,4-amino-5-hydroxy-,benzenesulfonate(ester)

Molecular Structure:

4-Amino-5-(phenylsulfonyloxy)naphthalene-2,7-disulfonic acid,2,7-Naphthalenedisulfonic acid,4-amino-5-hydroxy-,benzenesulfonate(ester),CAS 83-23-8,459.47,C16H13NO9S3

Molecular Formula:C₁₆H₁₃NO₉S₃

Molecular Weight: 459.47

CAS Registry Number: 83-23-8

List of synthetic dyes :

C.I.Direct Blue 67

C.I.Direct Blue 81