This 500mL bottle of 0.5% Sudan IV solution is a fat-soluble dye used in microbiology and biochemistry for staining lipids, fats, and triglycerides. Sudan IV binds selectively to lipid-containing structures, making it a standard reagent for fat detection in biological samples and food testing. Safe handling and storage procedures are printed directly on the bottle. Manufactured in the United States as part of The Curated Chemical Collection by Innovating Science. For laboratory use only. Not for drug, food, or household use. Keep out of reach of children. Safety Data Sheet available upon request.