Avobenzone having phenyl ketone group and sterically hindered group in one molecule, is an oil soluble sunscreen agent that absorbs a wider range of UV wavelengths. It absorbs both UV-A (380-315 nm that is associated with long term skin damage) and UV-B (315-280 nm that causes sunburn) rays. Avobenzone is known as one of the most effective sunscreen ingredient.
Specification:
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Property | Specification |
Appearance | White to off-white crystalline powder |
Identification | A: Infrared Absorption 197K |
B: Ultraviolet Absorption 197U Absorptivities at
360nm do not differ by more than 3.0% |
|
Assay | 95.0%-105.0% |
|
|
Loss on drying | Max. 0.5% |
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Chromatographic purity |
Any individual impurity: Max. 3.0% |
The sum of all of the impurities: Max. 4.5% | |
Specific Gravity | 1.037-1.041 |
Acidity(mg KOH/g) | Max. 1.0 |
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Packaging details:
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Packaging details: | 25kg/drum with double plastic bags inside; packed in a cardboard drum or fiber HDPE drum. |
Storage: | Stored in a clean, cool, dry area; keep away from moisture and strong, direct light/heat |
Shelf Life: | 5 years if sealed and store away from direct sun light. |
WHITE SWAN PHARMACEUTICAL
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