Product Introduction
Benzophenone-3 CAS 131-57-7 is a light yellow powder, with a maximum absorption wavelength range of 280-340 nm and a general dosage of 0.1-1.5%. Benzophenone-3 CAS 131-57-7 has good thermal stability and does not decompose at 200 ℃. Benzophenone-3 CAS 131-57-7 hardly absorbs visible light, so it is suitable for light color transparent products. This product can also be used in paint and synthetic rubber.
Function
It is used for sunscreen creams, creams, honey, lotions, oils and other sunscreen cosmetics.
Certificate Of Analysis
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Product Name |
Benzophenone-3 |
Specification |
Company Standard |
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CAS No. |
Manufacture Date |
2024.3.17 |
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Quantity |
300KG |
Analysis Date |
2024.3.24 |
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Batch No. |
ES-240317 |
Expiry Date |
2026.3.16 |
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Items |
Specifications |
Results |
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Assay (HPLC) |
97.0%~103.0% |
99%min |
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Appearance |
Light yellow powder |
Complies |
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Odor & Tasted |
Characteristic |
Complies |
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Melting point |
62.0-65.0°C |
Complies |
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Loss on Drying |
0.2% max |
Complies |
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Ash |
0.1% max |
Complies |
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Specific Extinction(1%,1cm) (288nm) |
630min |
Complies |
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Specific Extinction(1%,1cm) (325nm) |
410min |
Complies |
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Heavy Metal |
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Total Heavy Metal |
≤5 ppm |
Complies |
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Lead (Pb) |
≤2.0 ppm |
Complies |
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Arsenic (As) |
≤2.0 ppm |
Complies |
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Cadmium (Cd) |
≤1.0 ppm |
Complies |
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Mercury (Hg) |
≤0.1 ppm |
Complies |
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Microbiological Test |
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Total Plate Count |
<1000cfu/g |
Complies |
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Yeast & Mold |
<100cfu/g |
Complies |
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E.Coli |
Negative |
Complies |
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Salmonella |
Negative |
Complies |
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Packing |
Packed in plastic bag inside and aluminum foil bag outside. |
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Storage |
Store in a cool and dry place, keep away from strong light and heat. |
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Shelf life |
Two years when properly stored. |
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Conclusion |
Sample Qualified. |
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Inspection personnel：Yan Li Review personnel：Lifen Zhang Authorized personnel：LeiLiu
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