Features Ready-to-use fixation buffer Methanol-free Prepared from EM grade paraformaldehyde Safer and more convenient than handling paraformaldehyde solid No glass ampoules to break, store in the original bottle Ready-to-use fixation buffer Methanol-free Prepared from EM grade paraformaldehyde Safer and more convenient than handling paraformaldehyde solid No glass ampoules to break, store in the original bottle Formaldehyde, formalin, and paraformaldehyde: what's the difference?