nfpa diamond 704 4-0-0 acid sign, , isolate on white background label. eps10

400 704 acid alkaline allyl alcohol ammonia battery blue carbon acetylene fire flammability fuel gas gasoline ghs code cyanide helium hydrofluoric hydrogen diamond diesel emergency hazard hazmat health label material methyl isocyanate n2 national osha phosgene propane protection red safety sds sign special specifications standard substance symbol table tetrachloride toxic white yellow