nfpa diamond 704 0-2-1 acid sign, , isolate on white background label. eps10

nfpa diamond 704 101 acid symbol sign vector isolate white background label eps10 acetone acetylene alkaline ammonia blue caesium carbon dioxide code diesel emergency explosive decomposition fire flammability fuel gas gasoline ghs hazard hazmat health helium material n2 national osha paper potassium chloride propane protection red safety sds sodium bromate special specifications standard table tetrachloride tnt yellow