Trichlorophenol

Trichlorophenols exists as 6 isomers (2,4,5-; 3,4,5-; 2,4,6-; 2,3,4-; 2,3,5-and 2,3,6-). The most important (heavily regulated) are the 2,4,5-and 2,4,6-isomers. The 2,4,5-isomer is white powder or needles; 2,3,5-and 2,3,6- are colorless crystals; 2,4,5-is a gray crystalline solid or flakes; 2,4,6-is a colorless to light yellow crystalline solid. They have a phenolic odor.

2,4,5-TCP is used as antifungal agent in adhesives and as preservative in polyvinylacetate emulsions. 2,4,6-T is used in manufacturing slime-control agents and as an effective germicide and preservative; to produce defoliant 2,4,5-T and related products. Also used directly as a fungicide, anti-mildew and preservative agent; algicide, bactericide. 2,4,6-TCP is used to produce 2,3,4,6-TCP and PCP. Used directly as germicide, bactericide, glue and wood preservative; and anti-mildew treatment. 2,3,6-TCP is used as intermediate in production of fungicides and plant growth regulators

UN2020 Chlorophenols, solid, Hazard Class: 6.1; Labels: 6.1-Poisonous materials.

Consult with environmental regulatory agencies for guidance on acceptable disposal practices. Generators of waste containing this contaminant (≥100 kg/mo) must conform with EPA regulations governing storage, transportation, treatment, and waste disposal. Incineration, preferably after mixing with another combustible fuel. Care must be exercised to assure complete combustion to prevent the formation of phosgene. An acid scrubber is necessary to remove the halo acids produced.