2,3,5,6-Tetrachlorophenol

2,3,5,6-Tetrachlorophenol (2,3,5,6-TCP) is a chlorinated derivative of phenol with the molecular formula C₆H₂Cl₄O.

2,3,5,6-Tetrachlorophenol

Names
Preferred IUPAC name 2,3,5,6-Tetrachlorophenol
Identifiers
CAS Number	935-95-5 Y
3D model (JSmol)	Interactive image
Beilstein Reference	2049590
ChEBI	CHEBI:52048 Y
ChEMBL	ChEMBL1528479 Y
ECHA InfoCard	100.012.100
EC Number	225-531-7
PubChem CID	13636
RTECS number	SM9450000
UNII	SW5F2W8SDJ Y
UN number	2020
CompTox Dashboard (EPA)	DTXSID2026101
InChI InChI=1S/C6H2Cl4O/c7-2-1-3(8)6(11)5(10)4(2)9/h1,11H Y Key: VGVRPFIJEJYOFN-UHFFFAOYSA-N Y
SMILES C1=C(C(=C(C(=C1Cl)Cl)O)Cl)Cl
Properties
Chemical formula	C6H2Cl4O
Molar mass	231.88 g·mol−1
Odor	Phenolic
Melting point	115 °C (239 °F; 388 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Cited sources

• Haynes, William M., ed. (2016). CRC Handbook of Chemistry and Physics (97th ed.). CRC Press. ISBN 9781498754293.