2,3,5,6-Tetrachlorophenol

2,3,5,6-Tetrachlorophenol
Names
	Preferred IUPAC name 2,3,5,6-Tetrachlorophenol
Identifiers
CAS Number	935-95-5 ;
3D model (JSmol)	Interactive image ;
Beilstein Reference	2049590
ChEBI	CHEBI:52048 ;
ChEMBL	ChEMBL1528479 ;
ChemSpider	5806 ;
ECHA InfoCard	100.012.100
EC Number	225-531-7;
KEGG	C15505 ;
PubChem CID	13636 ;
RTECS number	SM9450000;
UNII	SW5F2W8SDJ ;
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 Key: VGVRPFIJEJYOFN-UHFFFAOYSA-N ;
	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)
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H301, H315, H318, H335, H413
Precautionary statements	P261, P264, P264+P265, P270, P271, P273, P280, P301+P316, P302+P352, P304+P340, P305+P354+P338, P317, P319, P321, P330, P332+P317, P362+P364, P403+P233, P405, P501
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Last updated July 18, 2025

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

References

↑ Haynes, p. 3.496

Cited sources

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

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[crc-1] Haynes, p. 3.496

[1]

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
ChemSpider	5806
ECHA InfoCard	100.012.100
EC Number	225-531-7
KEGG	C15505
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)^[1]
Hazards
GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H301, H315, H318, H335, H413
Precautionary statements	P261, P264, P264+P265, P270, P271, P273, P280, P301+P316, P302+P352, P304+P340, P305+P354+P338, P317, P319, P321, P330, P332+P317, P362+P364, P403+P233, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references