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Chemical structure of 2,4,6-trichlorophenol
style="background: #F8EABA; text-align: center;" colspan="2" | Identifiers
CAS number 88-06-2 YesY
ChemSpider 6648
EC number 604-018-00-5
UN number 2020
RTECS number SN1575000
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style="background: #F8EABA; text-align: center;" colspan="2" | Properties
Molecular formula C6H2Cl3OH/C6H3Cl3O
Molar mass 197.45 g/mol
Density 1.675 g/cm3
Melting point

69 °C

Boiling point

246 °C at 28 torr

style="background: #F8EABA; text-align: center;" colspan="2" | Hazards
R-phrases R22, R36, R38, R40, R50, R53
S-phrases (S2), S36, S37, S60, S61
 YesY (what is this?)  (verify)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

2,4,6-Trichlorophenol, also known as TCP, phenaclor, Dowicide 2S, Dowcide 2S, omal, is a chlorinated phenol that has been used as a fungicide, herbicide, insecticide, antiseptic,[1] defoliant, and glue preservative.[2] It is a yellow solid with a strong, sweet odour. It decomposes on heating to produce toxic and corrosive fumes including hydrogen chloride and chlorine.

It is carcinogenic in animals, causing lymphomas, leukemia, and liver cancer via oral exposure.[3][4] It is classified as Group B2 (probable human carcinogen) by the United States Environmental Protection Agency.[4] The technical grade of this substance may contain polychlorinated dibenzodioxins (PCDDs), polychlorinated dibenzofurans (PCDFs), and other contaminants.[5]

2,4,6-Trichlorophenol is an environmental pollutant that has been found in fresh water lakes such as the Great Lakes.[6]

See also


  1. Ogunniyi TAB, Oni PO, Juba A, Asaolu SO, and Kolawole DO (2000-01-05). "Disinfectants/antiseptics in the management of guinea worm ulcers in the rural areas". Acta Tropica. 74: 33–38(6). doi:10.1016/S0001-706X(99)00057-1. 
  2. "Safety data for 2,4,6-trichlorophenol". University of Oxford. 2005-09-05. Retrieved 2007-11-16. 
  3. "2,4,6-Trichlorophenol". The Carcinogenic Potency Database Project, University of Berkeley. 2007-10-03. Retrieved 2007-11-16. 
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External links

fr:2,4,6-trichlorophénol uk:2,4,6-Трихлорфенол