Be careful

Ethyl triphenyl phosphonium bromide is white to off-white crystalline powder. It can absorb moisture or water from the air. Because it is harmful in contact with skin and if swallowed. Causes eye, skin, and respiratory tract irritation. Use with adequate ventilation. Minimize dust generation and accumulation. Do not get in eyes, on skin, or on clothing. Do not ingest or inhale.

Besides ,Store Ethyl triphenyl phosphonium bromide in a cool, dry place. Store in a tightly closed container. And take personal protections like Wear appropriate protective gloves to prevent skin exposure. As well as appropriate protective clothing. Apart from these, Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.