HEMOLYTIC REAGENT, REAGENT KIT, AND METHOD FOR CLASSIFYING WHITE BLOOD CELLS

Disclosed is a hemolytic reagent comprising a nonionic surfactant represented by formula (I) below:R1-R2-(CH2CH2O)n-H (I) where R1 represents an alkyl group, an alkenyl group, or an alkynyl group having 8 or more and 25 or less carbon atoms,R2 represents an oxygen atom, (COO) or a group represented by formula (II) below:View embedded imagewhere n is 23 or larger and 25 or smaller, or 30,with n of 23 or larger and 25 or smaller, a concentration of the nonionic surfactant is 1700 ppm or higher and 2300 ppm or lower, andwith n of 30, the concentration of the nonionic surfactant is 1900 ppm or higher and 2300 ppm or lower.