C.A.S. No.:22346-43-6

Chemical Formula: C₁₁H₁₁NO₄S

Molecular Weight: 253

Chemical name:

2-Methylamino-5-Hydroxy-7-Naphthalenesulfonic Acid

4-Hydroxy-7-(Methylamino)-2-Naphthalenesulfonic Acid

7-Methylamino-4-Hydroxy-2-Naphthalenesulfonic Acid

Appearance Grey-White or Light Pink Powder Coupling Value 90% Min. Insoluble matter 0.5% Max. Free J Acid 2.5% Max. Bis J Acid 0.4% Max. HPLC purity 96% Min. Packing 25 kg woven bag

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