Pine Tar

Name:
Pine Tar
Detailed information:

Properties:

Sticky, viscous, dark-brown to black liquid or semisolid; strong odor; sharp taste. Translucent in thin layers, hardens with aging. D 1.03–1.07, boiling range 240–400C, flash p 130F (54.4C) (CC). Soluble in alcohol, acetone, fixed and volatile oils, and in sodium hydroxide solution; slightly soluble in water. Combustible. Chief constituents: Complex phenols, turpentine, rosin, toluene, xylene, and other hydrocarbons.

Derivation:

By destructive distillation of pine wood, especially Pinus palustris.

Grade:

Kiln burnt, retort, NF.

Hazard:

Fire risk, subject to spontaneous heating.

Use:

Ore flotation, roofing compositions, paints and varnishes, softener in plastics and rubber processing, tar soaps, deKhotinsky cement, asphaltic compositions, marine preservative, medicine (cough syrups), laboratory reagent.