Description A viscous, black oily liquid obtained from the distillation of peat, wood, or coal. Tar has been used as a caulk on wooden sailing ships, a waterproofing agent for roofing papers, a sealant for asphalt roads, a preservative for outdoor wood and an insecticide. It is also used in some disinfectant soaps. Some tars, such as those obtained from pine or beech wood, have been mixed with linseed oil to form a dark brown glaze (White, 1986).
Synonyms and Related Terms creosote; alquitrán (Esp.); goudron (Fr.); tjære (Dan.); Teer (Deut., Ned.); tjära (Sven.); alcatrão (Port.) Examples include: coal tar; mineral tar; pine tar; wood tar; birch bark tar
Other Properties Soluble in ether, chloroform, ethanol, carbon disulfide.
Hazards and Safety Toxic by ingestion and inhalation. Skin contact may cause irritation. Combustible.
Additional Information R.White "Brown and Black Organic Glazes, Pigments and Paints" National Gallery Technical Bulletin, 10:58-71, 1986.
|
Last updated on: 8/9/2009 1:08:58 PM
|
|
 |
|