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Summary information：
Dye and photographic paper N.W.ACID
Product Name | 1-Naphthol-4-sulfonic acid (Nevitic acid) | ||
Chemical name | N.W.ACID 1-Naphthol-4-sulfonic acid | ||
Chemical properties | C10H8O4S CAS NO. 84-87-7 |
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Product Specifications | |||
Metrics | Quality products | ||
Appearance | White to light yellow powder | ||
Content | (diazo method) | ≥70.0% | |
(HPLC) | ≥96.5% | ||
Content of 1-naphthol-4-sulfonate (HPLC) | ≤1.00% | ||
Quality score of sulfur dioxide | ≤0.30% | ||
Packaging method | 25kg/bag | ||
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