Oxybenzone, also known as UV-9, is a light yellow or white powder. It is widely used in sunscreen creams, frosts, honeys, lotions, oils and other sunscreen cosmetics. It can also be used as an anti-discoloration agent for products that change color due to photosensitivity. It is used in plastics, chemical fibers, paints and petroleum products, especially for light-colored transparent products.
Used in plastic, chemical fiber, paint and petroleum products, especially suitable for light-colored transparent products, can be used in paint and various plastic products, for PVC, polyester, acrylic, resin, polystyrene and light-colored transparent furniture, etc. Especially effective, it is also a good cosmetic additive. The dosage is 0.1-0.5%.
1.It is a broad-spectrum UV absorber
2.It has the advantages of high absorption rate, non-toxicity and no teratogenic effects.
3.It can absorb both UV-A and UV-B
4.Widely used in sunscreen cosmetics such as sunscreen cream, cream, honey, lotion, etc.
5.It can also be used as an anti-tarnishing agent for products discolored by photosensitivity.
Can be used in paint and various plastic products, PVC, polyester, acrylic, resin, polystyrene and light transparent furniture, especially effective, is a good cosmetic additive
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物品
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规格
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结果
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外貌
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Pale greenish yellow crystalline powder
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符合
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气味
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Similar in character and intensity to standard, very slight odor
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符合
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鉴别
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A. Infrared Absorption<197K>
B. The retention time corresponds to the standard. |
符合
符合 |
Assay (HPLC)
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97.0%~103.0%
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99.4%
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Congealing Temperature
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≥62.0
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62.1
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干燥失重
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≤0.20%
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0.12%
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Impurities (HPLC)
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Total impurities:≤1.0%
Benzophenone-1:≤0.2% Single largest unspecified impurities:≤0.10% |
0.050%
0.03% Not detected |
Residual Solvents
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Ethanol≤ 5000ppm
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599ppm
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Specific Extinction
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E288 ≥630
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636
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(1%,1cm)
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E325 ≥410
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414
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熔点
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62.0~65.0
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62.3~62.8
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Gardner Color
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≤4.0
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2.9
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Conclusion:
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Meets the requirements of current USP monograph for Oxybenzone.
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使用语言:英语。
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