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Oxybenzone CAS 131-57-7


The ultraviolet absorber UV-9 is light yellow or white crystalline powder, also known as sunscreen No. 2, BP-3, suitable for polyvinyl chloride, polyvinylidene chloride, polymethyl methacrylate, unsaturated polyester, ABS For various plastics such as resin and cellulose resin, the largest absorption wavelength range of Chemicalbook is 280-340 nanometers, and the general dosage is 0.1-1.5%. It has good thermal stability and does not decompose at 200°C. This product hardly absorbs visible light, so it is suitable for light-colored transparent products. This product can also be used in paint and synthetic rubber

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Product Name:  Oxybenzone

Synonym:  N/A

CAS No.:  131-57-7

Molecular Formula:C14H12O3

Molecular weight228.24


Appearance Yellow powder
Smell Light
Purity 99.00% min
M.P 62.0-64.0℃
Dry loss 0.5% max
Heavy Metals 5 ppm max
Specific Extinction At 285nm.630min

At 325nm.400min

Solidification point 62.0-72.0℃
GLC impurity Individual impurity<0.1%

Sum of impurities <1.0%

UV/VIS spectrum Identity USP/NF
Flash point >100℃

Packing: 25kg/drum


It is a broad-spectrum ultraviolet absorber with high absorption rate, non-toxic, non-teratogenic effect, good light and thermal stability, etc., it can absorb UV-A and UV-B at the same time, and it is approved by the US FDA Chemicalbook. Type I sunscreens are used frequently in the United States and Europe. They are widely used in sunscreen cosmetics such as sunscreen creams, creams, honeys, lotions, oils, etc., and can also be used as anti-tarnishing agents for products that change color due to photosensitivity

Storage: Store in a cool, dark place


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