Property:

Colorless rhombic crystal

Usage:

1. ultraviolet absorber. Mainly used in sunscreen and tanning cosmetics, chemical stability to light and air, safety to the skin, but also has the ability to form a film on the skin. It can effectively absorb ultraviolet rays in the 280-320μm medium wave light region of the U.V.B region. The addition is usually about 4%.

2. Local anesthetics are used to relieve itching and pain on wound surface, ulcer surface and hemorrhoids, with a concentration of 5% to 20%, and are also used as intermediates in drug synthesis and organic synthesis.