Chloroxylenol

Chloroxylenol, also known as para-chloro-meta-xylenol (PCMX), is a chlorine substituted phenol with a white to off-white appearance and a phenolic odor. The discovery of chloroxylenol was the result of efforts to produce improved antiseptics that began at the end of the 1800s. First synthesized in Germany in 1923, it was borne out of the study of coal tar components that began a decade earlier.

Chloroxylenol
Names
Preferred IUPAC name
4-Chloro-3,5-dimethylphenol
Other names
para-Chloro-meta-xylenol, PCMX, 4-Chloro-3,5-dimethylphenol
Identifiers
3D model (JSmol)
1862539
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.001.631
EC Number
  • 201-793-8
KEGG
MeSH chloroxylenol
PubChem CID
RTECS number
  • ZE6850000
UNII
  • InChI=1S/C8H9ClO/c1-5-3-7(10)4-6(2)8(5)9/h3-4,10H,1-2H3 N
    Key: OSDLLIBGSJNGJE-UHFFFAOYSA-N N
  • InChI=1/C8H9ClO/c1-5-3-7(10)4-6(2)8(5)9/h3-4,10H,1-2H3
    Key: OSDLLIBGSJNGJE-UHFFFAOYAY
SMILES
  • Cc1cc(O)cc(C)c1Cl
Properties
C8H9ClO
Molar mass 156.61 g·mol−1
Melting point 115 °C (239 °F; 388 K)
Boiling point 246 °C (475 °F; 519 K)
300 mg/L
Solubility in alcohols soluble
Solubility in Ethers soluble
Solubility in Benzene soluble
log P 3.377
Acidity (pKa) 9.76
Basicity (pKb) 4.24
Pharmacology
D08AE05 (WHO)
Hazards
GHS labelling:
Warning
H302, H315, H317, H319
P280, P305+P351+P338
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
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