(Ethylenediamine Tetraacetic acid)
CAS #6381-92-6 Na₂C₁₀H₁₄O8·₂H₂O F.W. 372.20
Assay: 99+%
Ethylenediamine Tetraacetic acid is used for the organic chelating for staining glutaraldehyde fixed tissues, pre-stained with uranyl acetate, followed by lead citrate. Bernard, W., J. Ultrastruct. Res., 27. 250 (1969)