Dichlorophen

Dichlorophen is an anticestodal agent, fungicide, germicide, and antimicrobial agent.^[2] It is used in combination with toluene for the removal of parasites such as ascarids, hookworms, and tapeworms from dogs and cats.^[3] In 2025 dichlorophen has also been reported to interact with tubulin and inhibit its polymerization.^[4]

Dichlorophen

Clinical data
AHFS/Drugs.com	International Drug Names
ATC code	P02DX02 (WHO)
Identifiers
IUPAC name 4-Chloro-2-[(5-chloro-2-hydroxyphenyl)methyl]phenol
CAS Number	97-23-4 Y
PubChem CID	3037
ChemSpider	2929 N
UNII	T1J0JOU64O
KEGG	C14292 Y
ChEMBL	ChEMBL33845 N
CompTox Dashboard (EPA)	DTXSID6021824
ECHA InfoCard	100.002.335
Chemical and physical data
Formula	C13H10Cl2O2
Molar mass	269.12 g·mol−1
3D model (JSmol)	Interactive image
Density	1.5 g/cm3 g/cm3
Melting point	177.5 °C (351.5 °F)
Solubility in water	0.003 g/100 mL[1] mg/mL (20 °C)
SMILES C1=CC(=C(C=C1Cl)CC2=C(C=CC(=C2)Cl)O)O
InChI InChI=1S/C13H10Cl2O2/c14-10-1-3-12(16)8(6-10)5-9-7-11(15)2-4-13(9)17/h1-4,6-7,16-17H,5H2 N Key:MDNWOSOZYLHTCG-UHFFFAOYSA-N N
NY (what is this?)  (verify)

Safety and regulation

LD50 (oral, mouse) is 3300 mg/kg.^[5]