2-Diazo-1-naphthol-4-sulfonic acid sodium salt 93% min.
2-Diazo-1-naphthol-4-sulfonic acid sodium salt monohydrate
Produced by Sanbo Chemical Ind. Co., Ltd.
In fiber drum of 50 kg net
NS-D
Sodium 1,2-Naphthoquinone-2-Diazido-4-Sulfonate
Produced by Showa Kako Corporation
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