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SODIUM DIPHENYLAMINE-4-SULFONATE CAS6152-67-6Used as ordinary analysis reagent, oxidation reduction desulfurization agent indicator and urea synthesis in the
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ETHYL P-TOLUENESULFONATE CAS80-40-0Used for organic synthesis, ethylation reagents and intermediates, photosensitive material toughening agent and cellulose acetate
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2-HYDROXY-4-METHOXYBENZOPHENONE-5-SULFONIC ACID CAS4065-45-6Is a broad-spectrum ultraviolet absorbent, has high absorption efficiency, non-toxic, non teratogenic effects, the advantages of light, good thermal stability, it can absorb UV-A and UV-B, is a class I sunscreen American approved FDA, used in high frequency America and Europe, widely used in sunscreen cream, cream, honey, emulsion, oil, sunscreen cosmetics
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4-Hydroxybenzenesulfonic acid CAS98-67-9Used for foundry resin at room temperature curing agent
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8-Hydroxyquinoline-5-sulfonic acid hydrate CAS207386-92-3Used as intermediates in organic synthesis and analytical reagent.
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Sodiumformaldehydesulfoxylate dihydrate CAS6035-47-8Pull white agent, reducing agent, bleaching agent and the production of indigo dyes, vat dyes