Product Introduction
2-Phenylbenzimidazole-5-sulfonic Acid is insoluble in water. When converted to salt, the product is soluble in water and in mixtures of water and ethanol. When converted to salt, it is used in sunscreen and cosmetic preparations.
Function
2-phenylbenzimidazole-5-sulfonic acid is mainly used in daily sunscreen and other skincare products to prevent skin aging caused by ultraviolet rays. It can also be used in water-based coatings, dyes, and washing products. It has the characteristics of good water solubility, long durability, good dispersibility, low mobility, and good thermal stability. This substance can be prepared from 2-phenylbenzimidazole as a raw material.
Certificate Of Analysis
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Product Name |
2-Phenylbenzimidazole-5-sulfonic Acid |
Specification |
Company Standard |
|
CAS No. |
27503-81-7 |
Manufacture Date |
2024.4.16 |
|
Quantity |
300KG |
Analysis Date |
2024.4.22 |
|
Batch No. |
BF-240416 |
Expiry Date |
2026.4.15 |
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Items |
Specifications |
Results |
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|
Assay |
≥98% |
98.2% |
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|
Appearance |
White Powder |
Complies |
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Odor & Taste |
Characteristic |
Complies |
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Particle Size |
100% pass 80 mesh |
Complies |
|
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Loss on Drying |
≤ 1.0% |
Complies |
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Heavy Metals |
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Heavy Metals |
≤10 ppm |
Complies |
|
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Lead (Pb) |
≤1 ppm |
Complies |
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Arsenic (As) |
≤1 ppm |
Complies |
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Cadmium (Cd) |
≤1 ppm |
Complies |
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Mercury (Hg) |
≤0.1 ppm |
Complies |
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Microbiological Control |
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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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Staphylococcus |
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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