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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:
|
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% |
|
Melting point |
81°C-86°C |
|
Loss on drying |
Max. 0.5% |
|
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 |
Packaging details:
|
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. |
