Check the listing for details. Hematoxylin 1 ref 7221 1 pint BRAND NEW. Condition: New. Listed at 101.68 USD. This product is a brand new bottle of Hematoxylin dye, with a reference number of 7221 and a volume of 1 pint. It is a laboratory chemical supply that is commonly used in medical, lab, and dental procedures. The dye is specifically designed for staining tissue samples for histological examination.