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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 17577Generated: November 4, 2026

4,5,6-Trichloroguaiacol

4,5,6-trichloroguaiacol · 2-METHOXY-4,5,6-TRICHLOROPHENOL · Phenol, 2,3,4-trichloro-6-methoxy-

https://huagongshe.com/en/chemical/17577

4,5,6-Trichloroguaiacol molecular structure

Identifiers & Physical Properties

CAS No.2668-24-8
Molecular formulaC7H5Cl3O2
Average molar mass227.5 g/mol
Monoisotopic mass225.935512 g/mol
SMILESCOc1cc(Cl)c(Cl)c(Cl)c1O
InChIKeyNIAJPNQTKGWEOI-UHFFFAOYSA-N
PubChem CID17577
DTXSIDDTXSID00858745

Chemical & Physical Properties

XLogP3.8
Topological polar surface area29.5
Hydrogen bond donors1
Hydrogen bond acceptors2
Rotatable bonds1
Heavy atoms12
Formal charge0
Complexity156
LogP (partition coefficient)3.72
Melting point111-112 °C
Boiling point325.7°C (rough estimate)
Density1.5661 (rough estimate)
Refractive index1.4483 (estimate)
pKa (acidity coefficient)7.11±0.28(Predicted)
Henry's law constant7.4×100 mol/(m3Pa) at 25℃, Mackay et al. (2006)
FDA UNII39Q8MK30WF
EPA Substance Registry System4,5,6-Trichloroguaiacol (2668-24-8)
Toxicitymsc-ham-lng 30 mg/L CMSHAF 14,1617,85

Safety & Regulations

Toxicitymsc-ham-lng 30 mg/L CMSHAF 14,1617,85

Applications & Uses

Uses

4,5,6-Trichloroguaiacol is a phenolic compound occurring in effluents from bleached kraft pulp mills[1].