Toluidine Blue O | Spectrum Chemical®

Toluidine Blue O is a blue cationic (basic) dye used in histology to test for lignin and for staining semi-thin (0.5 to 1 µm) sections of resin-embedded tissue. Ungraded products supplied by Spectrum are indicative of a grade suitable for general industrial use or research purposes and typically are not suitable for human consumption or therapeutic use.

Read Less