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Wujiang Meiyan Sanyou Dyestuff Chemical Co,Ltd.
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 Click to enlarge image
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 Model Number |
87-02-5 |
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J Acid
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C.A.S. No.: 87-02-5
Chemical Formula: C10H9NO4S
Molecular Weight: 239.2454
Chemical name:
2-Naphthylamine-5-Hydroxy-7-Sulfonic Acid
7-Amino-4-Hydroxy-2-Naphthalenesulfonic Acid
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Refined Grade
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Normal Grade
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Appearance
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Grey-White Powder
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Grey-White Powder
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Coupling Value
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93% Min.
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90% Min.
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Insoluble in Alkali
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0.1% Max.
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0.1% Max.
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Gama Acid
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1% Max.
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1.2% Max.
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HPLC purity
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98% Min.
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96.5% Min.
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Packing
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25 kg/500kg woven bag, 100kg iron drum
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More informations,please contact feel free with----
jiangyouchem&gmail.com (change the $)
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