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Chemical formula C10H8NNaO3S molecular weight 245.23 CAS number 130-13-2 EINECS number 204-975-5
1-naphthylamine 4-sulfonate sodium is one of the important azo pigment intermediates, widely used in the synthesis of direct dyes, reactive dyes, but also nitrite and iodine poisoning of one of the antidote. In recent years found that 1 - naphthylamine - 4 - sulfonic acid sodium amino sulfonic group and all can very good coordination with power supply atoms, so 1 - naphthylamine - 4 - sulfonic acid sodium can be used as hydrogen bond donors, also can be used as a hydrogen bond acceptor, makes 1 - naphthylamine - 4 - sulfonic acid sodium is widely applied in with all kinds of metal (such as Fe, zinc, Cd, Ni, etc.) complex, used for hazardous chemicals leakage monitoring equipment, optical device, gas absorption material in the synthesis and clinical medical research. 1-naphthylamine 4-sulfonate sodium can also be used in the fields of thermal switch, optical switch and information storage element material, DNA structure probe, DNA molecule optical switch and so on.