casno. : CAS 94-09-7
UV absorber. It is mainly used in sunscreen and suntan cosmetics. It is chemically stable to light and air, safe for skin, and has the ability to form films on skin. It can effectively absorb U.V.B area 280-320 μ M Ultraviolet rays in the medium wave light area. The dosage is usually about 4%.
Local anesthetics are used to relieve itching and pain on wounds, ulcers and hemorrhoids, with a concentration of 5%~20%. They are also used as intermediates for drug synthesis and organic synthesis.
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