Formaldehyde, 16%, methanol free, Ultra Pure

– Suitable for both electron and light microscopy

– Easily penetrates large blocks of tissue

– When used in combination with glutaraldehyde, it fixes delicate tissues such as brain in vascular perfusion

– Avoids the problem of having to depolymerize paraformaldehyde

– Used in Karnovsky's fixative in conjunction with your own buffer system.

– Source of the formaldehyde is paraformaldehyde.