Rosin
Rosin is a solid resinous mass, a product of processing coniferous resins (pine, spruce).
FormulaHas yellow or brown color, brittle, dissolves in alcohols, ethers, organic solvents, but not in water. The basis consists of resin acids (main — abietic acid).
C₂₀H₃₀O₂Application
production of varnishes, paints, adhesives, soap.