Resorcin, also known as resorcinol, is an organic compound with the chemical formula C6H6O2. It is a colorless to pale yellow crystalline substance that is soluble in water, alcohol, and ether. Resorcin is commonly used in the production of resins, adhesives, and as a reagent in chemical synthesis. Additionally, it has applications in the pharmaceutical and cosmetic industries, particularly for its antiseptic and skin-lightening properties.