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6-硝基-1,2-重氮氧基萘-4-磺酸

外觀:淺黃色至深棕色結晶

含量:≥75%

純度:≥90%

游離酸:≤5%

主要用途:用于生產酸性及中性染料。包含酸性黑194、酸性黑172、中性黑ACE、 酸性黑107、酸性黑207、酸性黑52、酸性棕355、酸性棕348等產品。

91视频网站_操b视频在线观看_曰韩无码_欧美一区二区三区精品视频在线

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