Bemotrizinol CAS 187393-00-6

1. Bemotrizinol is an organic UV filter primarily used in sunscreen products to provide broad-spectrum protection by absorbing both UVA and UVB radiation across the 280 to 400 nm range .
2. Bemotrizinol CAS 187393-00-6 is characterized by high photostability and liposolubility, which enhance its efficacy and allow for sustained protection upon topical application .
3. Bemotrizinol is incorporated into cosmetic formulations to minimize UV-induced erythema and protect the skin's antioxidant defense system, offering anti-aging benefits .
4. In December 2025, the U.S. FDA proposed its addition as a permitted active ingredient in over-the-counter sunscreens for adults and children 6 months and older, recognizing its safety and efficacy .

1. The powder must be stored in a tightly sealed container in a cool, dry, and well-ventilated area, with a recommended temperature below 15°C (cool and dark place) ; Bemotrizinol CAS 187393-00-6 is stable for up to 3 years at -20°C or 2 years at 4°C .
2. For solution storage, prepare aliquots in tightly sealed vials to avoid repeated freeze-thaw cycles; stock solutions are stable for up to 6 months at -80°C or 1 month at -20°C .
3. Bemotrizinol CAS 187393-00-6 is light and air sensitive; storage under inert gas is recommended . It should be kept away from incompatible materials such as strong acids, strong alkalis, and strong oxidizing or reducing agents .
4. Although not classified as a hazardous substance under GHS , personnel should wear safety goggles, protective gloves, and impervious clothing, and ensure adequate ventilation to avoid dust or aerosol formation .

1. Isolate the spill area, ensure adequate ventilation, and use full personal protective equipment including safety goggles, protective gloves, and a suitable respirator .
2. Absorb Bemotrizinol CAS 187393-00-6 spills with finely-powdered binding material such as diatomite or universal binders; collect dry spills by sweeping or vacuuming without creating dust using non-sparking tools .
3. Decontaminate surfaces and equipment by scrubbing with alcohol; prevent the product from entering drains, water courses, or the soil .
4. Dispose of collected material as hazardous waste in accordance with local, state, and federal environmental regulations .

1. During combustion, Bemotrizinol may emit irritant fumes; use water spray, dry chemical powder, foam, or carbon dioxide fire extinguishers to extinguish fires .
2. Firefighters should wear self-contained breathing apparatus (SCBA) in pressure-demand mode and full protective gear when handling burning Bemotrizinol .
3. Bemotrizinol CAS 187393-00-6 is classified as a combustible solid (Storage Class 11) with a flash point not applicable; however, thermal decomposition may release toxic fumes .
4. Runoff from fire control or dilution water may cause pollution; contain fire runoff to prevent environmental contamination .