ULTRAVIOLET ABSORBER UV-284

Product Name（Include alias）：2-hydroxy-4-methoxy-5-sulfonic acid benzophenone; 2-hydroxy-4-methoxybenzophenone-5-sulfonic acid; UV absorber UV-284; UV-284; BP-4。
Model No：
Purity：99%
CAS No：4065-45-6
EINECS No：223-772-2
Molecular Formula：C14H11O6S
Molecular Weight：307.2991
Technical indicators：
1、APPEARANCE：Light yellow powde
2、Melting point: 140℃。
3、Heavy metal content：5ppm（max）
4、Loss on drying：5.0%（max）
5、Turbidity of aqueous solution：1.5EBC(max )
6、Specific absorption coefficient：285nm
7、Chroma：1.0（max）
8、PH Value：1.2---2.2
Package: 25kg / Cardboard barrel lined plastic bag packaging
Application：Ultraviolet absorber UV-284 (BP-4) is a broad spectrum ultraviolet absorber. It has the advantages of high absorption efficiency, non-toxic, no mechanical effect, good light and thermal stability,.UV-284 can absorb UV-A and UV-B at the same time. It is a class I sunscreen approved by the US FDA. It is widely used in sunscreen lotion, cream, honey, emulsion, oil and other sunscreen cosmetics in the US and Europe。