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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