Auxiliary

As a high-efficiency ultraviolet absorber, this product can effectively absorb ultraviolet light with a wavelength of 270-380 nm. It is mainly used for polyvinyl chloride, polystyrene, unsaturated resin, polycarbonate, polymethylmethacrylate, polyethylene, ABS resin, epoxy resin and cellulose resin. This product hardly absorbs visible light. It is especially suitable for colorless, transparent and colored products. The general dosage is 0.1-0.5% in thin products and 0.05-0.2% in thick products. This product is allowed to be used for plastic products in contact with food.

It is mainly used in the production of pesticides and medicine, such as synthetic weight loss drug fenfluramine.

P-bromotrifluoromethyltoluene and p-trifluoromethylphenol are important pharmaceutical and pesticide intermediates, which can be widely used in the synthesis of a variety of new anticancer drugs, as well as pesticides and herbicides.

Sulisobenzone is approved by the FDA in concentrations of up to 10% and in Canada, is approved by Health Canada at the same concentrations. It works to filter out both UVA and UVB rays, protecting the skin from sun UV damage. The UV-filter substance, sulisobenzone (BP-4) is widely used an ingredient in sunscreens and other personal care products,. It falls under the drug category of benzophenones. The benzophenones are a group of aromatic ketones that have both pharmaceutical and industrial applications. Benzophenones may be found organically in fruits such as grapes. Benzophenones are used as photoinitiators, fragrance enhancers, ultraviolet curing agents, and, occasionally, as flavor ingredients; they are also used in the manufacture of insecticides, agricultural chemicals, and pharmaceuticals and as an additive for plastics, coatings, and adhesives. As a group, benzophenones may be used to delay photodegradation or extend shelf life in toiletries and plastic surface coatings.

It is mainly used in the whitening of synthetic fiber, EVA, PVC, plastic and rubber. It can be used in the whitening of plastic film, compression molding materials and injection molding materials.