Paraformaldehyde fixative solution finds application in proteins, peptides and the enzymes of low molecular weight. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand.
Formaldehyde, used as an embaliming agent due to its ability to crosslink primary amino groups in proteins through a methylene linkage, Formaldehyde is also used in numerous industrial applications and organic syntheses.
Paraformaldehyde, 4% in PBS + Mg + EGTA is used as a common fixative reagent for histology. It is also used to prepare pure formaldehyde. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio.