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| Bezophenone-4 |
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| 2-Benzoyl-5-methoxy-1-phenol-4-sulphonic acid， |
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| 4065-45-6 |
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Ultraviolet Absorber Benzophenone-4 is a kind of excellent water-
soluble ultraviolet absorber, which is generally used for water-
soluble cosmetics to resist solarization and also as UV Absorbers for other water-
soluble printing ink and dopes.
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Appearance
White or light yellow crystalline powder
Assay
99.0% min.
Heavy metals
5ppm max.
Colour (Gardner-10% aqueous solution)
1.0 max.
Loss on drying
a.5.0% max b. 3.0% max
PH value
1.2-2.2
UV Absorbance Max @285nm
460 min.
UV Absorbance Max @325nm
290 min.
Melting Point (°C)
140 min.
Turbidity in water (EBC)
1.5 max
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