100% Reagent Alcohol. Specially denatured alcohol is ethanol based, anhdyrous, and suitable for use in clinical laboratory protocols. Ideal for processing and staining protocols that reference 100% alcohol, ethanol, or 100% ethanol in Histology and Cytology laboratories. Miscible with all clearing reagents. Available for purchase in quantities of four 1-gallon rectangular F-style containers, designed for easy storage and dispensing.