Haematein 5g CI 75290 Natural Black 1 Hematein

5g of microbiological stain Haematein (CI number 75290). This stain is used as a nucear stain for determination of DNA based structures including cell nucleii and sperm. It is the ready - oxidised version of haematoxylin.

Please note that this dye is usually used as a metal complex. If you are less experienced with compounding dye solutions you may prefer the ready made solution.