Dyes

7-Methylamino-1-Naphthol-3-Sulfonic Acid

Chemical Name 7-Methylamino-1-Naphthol-3-Sulfonic Acid
CAS No. 6259-53-6
Structure 7-Methylamino-1-Naphthol-3-Sulfonic Acid
Specification

Molecular Weight : 253.27

Molecular Formula : C11H11NO4S

Appearance : Grayish powder

Solubility : Soluble in dilute alkaline solution

Shelf life : One year if stored proferly in dry place

Packing : HDPE bag with liner

Description : Light brown to Grey material

Strength : 75% up (by coupling value)

Gamma Acid Content : 5.0% max. on 100% basis

Insoluble : 0.8% Max. on 100% basis

Unknown : 1.0% Max. on 100% basis

Solubility : Soluble in dilute Alkaline Solution

 

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