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WholesaleSunscreen Ingredient UV Absorber Sulisobenzone Benzophenone-4 Powder Cas 4065-45-6 in Bulk
CAS No:4065-45-6
Purity:97.0-103.0%
Place of Origin:China
Appearance:white or light yellow crystalline powder
MF:C14H12O6S
Other Names:BP-4
BP-4, a UV absorber, is a broad-spectrum UV absorber with advantages such as high absorption efficiency, no toxic side effects, and good light and heat stability. It can absorb both UV-A and UV-B and is widely used in water-soluble products such as coatings and adhesives, as well as in cosmetics.
Product picture:
Function
1. UV absorber BP-4 provides excellent photostability for water-soluble products;
2. It can be used as a UV absorber in water-based ionic coatings and other products to prevent photocatalytic oxidation of water-based polymer coatings;
3. It is widely used in sunscreens such as creams, lotions, emulsions, and oils.
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Items
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Results
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Product Name
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Benzophenone-4
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CAS No.
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4065-45-6
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Appearance
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Off-white or light yellow crystalline powder
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Assay (HPLC)
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97.0-103.0%
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Melting point
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62.0-65.0℃
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Congealing Temperature
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≥62.0℃
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Total Impurities
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≤1.0%
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Benzophenone-1
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≤0.2%
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Single largest unspecified impurity
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≤0.10%
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Residual Solvents
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Ethanol≤5000 PPM
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Odor
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Similar in character and intensity to standard, very slight odor
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UV absorption coefficient (1%, 1cm)E288
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≥630
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UV absorption coefficient (1%, 1cm)E325
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≥410
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Loss on drying
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≤0.2%
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Gardner color
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≤4.0
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Heavy metal
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≤5 ppm
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Package:25kg
