Give copious amounts of water or preferably mild and seek medical attention. Remove to fresh air. Seek medical attention if symptoms persist. Use extinguishing media appropriate to the surrounding fire. Clean-up personnel should wear protective gloves and goggles to prevent possible irritation from prolonged contact.
Boron nitride is slippery and is a slip hazard on walkways.
Practice good housekeeping. Glasses, gloves and long sleeve clothing. Hazardous polymerization will not occur. None known, but as a good practice, do not mix with any other materials. The liquid nature of this paint product may restrict disposal options.