Hematoxylin Eosin Staining KIT. Hematoxylin and Eosin (H&E) stains have been used for century for recognizing various tissue types and morphologic changes. Hematoxylin has deep blue to purple color and stain nuclei of the cells, against pink background counterstained by Eosin. Our HE Stain Kit contains Harris Hematoxylin Solution 20 mL (Cat.#H08-20R) and Eosin Y Solution 20 mL (Cat.#EY7-20R) in adjustable dropping bottle. Our H&E formulation stains tissue more darker and better color differentiation compare with other company's product. DETAILS Use: Required for general cytology or immunohistochemistry (IHC) counterstaining. Hazards: Harmless-use normal precautions. Handling: Exercise normal care. Storage: Store at room temperature. Catalog#: HE09-40R, 20mL/ea.