TERMIUM Plus®

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tar acid [1 record]

Record 1 2004-09-03

English

Subject field(s)
  • Chemical Elements and Compounds
  • Petroleum Distillation
DEF

Any mixture of phenols present in tars or tar distillates and extractable by caustic soda solutions.

OBS

Usually refers to tar acids from coal tar and includes phenol, cresols, and xylenols. When applied to the products from other tars it should be qualified by the appropriate prefix, e.g., wood-tar acid, lignite tar acid, etc.

French

Domaine(s)
  • Éléments et composés chimiques
  • Distillation du pétrole
DEF

Produits phénoliques solubles dans la soude caustique (par ex. : créosols, phénols), que l'on trouve dans certains goudrons et dans la créosote.

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
  • Destilación del petróleo
DEF

Mezcla de fenoles existentes en los alquitranes y en sus destilados y extraíbles mediante soluciones de sosa cáustica.

OBS

Soluble en alcohol e hidrocarburos derivados del alquitrán de hulla. Combustible. Muy tóxico por ingestión, inhalación y absorción cutánea. Fuerte irritante.

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