Harvard Chemical Research Orange Action is a concentrated, water soluble, nonflammable, detergent and degreaser which incorporates natural solvents and advanced concepts in chemical soil removal. It will effectively remove a wide variety of soils common to industrial, institutional, and commercial facilities including accumulations of grease, oil, dirt, soot, smoke, food, and light rust stains. This product handles grease and grime quickly while assuring the removal of buildup not cleaned by normal cleaning procedures. This product is safe on most surfaces. Nonflammable, safe on most metals, safe on surfaces not harmed by water, works well in hard or soft water, biodegradable, USDA approved. Appearance: orange liquid, odor: citrus, specific gravity: 1.03, causticity none, pH: 11 - 12, detergency: excellent, biodegradable : yes. Size: 1 gallon capacity. Safety: keep this and all chemicals out of the reach of children. This product is for commercial, institutional and industrial use only. Users should take care to avoid skin contact when using full strength and not allow product to splash into eyes. For skin or eye contact, flush area well with clear water for 15 minutes. In case of eye contact seek medical attention promptly. Always wash hands completely after use of product. Care should be taken to test prior to using for safest results. Do not allow this product to dry on glass, plastic or soft metals to prevent possible etching or pitting. Rinse these surfaces thoroughly after use.