2-Hydroxy-4-methoxybenzophenone-5-sulfonic acid CAS 1897-52-5

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2-Hydroxy-4-methoxybenzophenone-5-sulfonic acid CAS 4065-45-6 Chemical Specification 

2-Hydroxy-4-methoxybenzophenone-5-sulfonic acid CAS 4065-45-6 Chemical Properties

Melting point 170°C
Boiling point 0°C
Density 1.4574 (roughestimate)
Refractive index 1.5300 (estimate)
Flash point 0°C
Storage conditionsInertatmosphere, RoomTemperature
SolubilityDMSO(Slightly),Methanol(Slightly)
Acidity coefficient (pKa)-0.70±0.50(Predicted)
Morphological neat
ColorWhitetoOff-White

2-Hydroxy-4-methoxybenzophenone-5-sulfonic acid CAS 4065-45-6 Application

UV absorber BP-4 belongs to the benzophenone class of compounds. It is white or light yellow powder at room temperature and can effectively absorb ultraviolet light of 285~325Im. The broad-spectrum UV Chemicalbook absorber is widely used in sunscreen creams, honey, lotions, oils and other cosmetics. Sunscreens are generally applied to the surface of the skin to protect the skin from the sun. UV absorber BP-4 has the advantages of good stability to light and heat, and is widely used in sunscreen cosmetics such as sunscreen cream, cream, honey, lotion and oil.