SP Reagent Alcohol. Suitable for most histological and laboratory analytical procedures. Nonphotochemically reactive. Composed of 95 parts of Formula 3A specially denatured 190-proof ethyl alcohol with five parts isopropyl and methyl alcohols. Supplied in polyethylene dispenser bottle. Flash point is 13°C (55°F). 1-gal. bottle. Packaging: 4/Gallons/Case.