Direct Yellow 157
Price:Negotiable
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Description
Additional Information
Molecular Formula: C26H22N4Na2O9S3
Molecular Weight: 676.65 CAS: 72705-26-1
Physical and Chemical Properties: Yellow uniform powder, soluble in water
Uses: This product dyes cellulose fabrics as a bright greenish-yellow and is also used for paper coloring.
Preparation Method: Dehydrogenation of thio-p-toluidine, sulfonic acid diazotization coupled with 2-methoxy-4-sulfonic acid-5-methyl acetoacetanilide
This product dyes cellulose fabrics as a bright greenish-yellow and is also used for paper coloring.
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