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1,2-重氮氧基萘-4-磺酸

外觀:淺黃色至深棕色結晶

含量:≥78%

純度:≥98.5%

游離酸:≤3%

堿不溶物:≤0.2%

主要用途用于生產酸性及中性染料。包含酸性藍193、酸性紫90、中性藍348、等產品。

97色色
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