Tetrachlorohydroquinone

Modify Date: 2026-07-06 20:33:11

Tetrachlorohydroquinone structure	Common Name	Tetrachlorohydroquinone
	CAS Number	87-87-6	Molecular Weight	247.89
	Density	1.848 g/cm3	Boiling Point	286.2ºC
	Molecular Formula	C₆H₂Cl₄O₂	Melting Point	238-240 °C
	MSDS	N/A	Flash Point	126.9ºC

Use of Tetrachlorohydroquinone

Tetrachlorohydroquinone (TCHQ) is a metabolite of pentachlorophenol. Tetrachlorohydroquinone increases DNA lesions and induce oxidative stress in rodents[1].

Name	tetrachlorohydroquinone
Synonym	More Synonyms

Description	Tetrachlorohydroquinone (TCHQ) is a metabolite of pentachlorophenol. Tetrachlorohydroquinone increases DNA lesions and induce oxidative stress in rodents[1].
Related Catalog	Research Areas >> Others
References	[1]. Pietsch C, et al. Cytotoxic effects of pentachlorophenol (PCP) and its metabolite tetrachlorohydroquinone (TCHQ) on liver cells are modulated by antioxidants. Cell Biol Toxicol. 2014 Aug;30(4):233-52.

Density	1.848 g/cm3
Boiling Point	286.2ºC
Melting Point	238-240 °C
Molecular Formula	C₆H₂Cl₄O₂
Molecular Weight	247.89
Flash Point	126.9ºC
Exact Mass	245.88100
PSA	40.46000
LogP	3.71140
Index of Refraction	1.661
InChIKey	STOSPPMGXZPHKP-UHFFFAOYSA-N
SMILES	Oc1c(Cl)c(Cl)c(O)c(Cl)c1Cl

Tetrachlorohydroquinone MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: MX7700000

CHEMICAL NAME :: Hydroquinone, tetrachloro-

CAS REGISTRY NUMBER :: 87-87-6

BEILSTEIN REFERENCE NO. :: 1876374

LAST UPDATED :: 199710

DATA ITEMS CITED :: 13

MOLECULAR FORMULA :: C6-H2-Cl4-O2

MOLECULAR WEIGHT :: 247.88

WISWESSER LINE NOTATION :: QR BG CG EG FG DQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 3319 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 368 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - tremor Behavioral - muscle weakness

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 25 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

MUTATION DATA

TYPE OF TEST :: DNA adduct

TEST SYSTEM :: Mammal - species unspecified Lymphocyte

DOSE/DURATION :: 50 mmol/L

REFERENCE :: MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 145,71,1985

Hazard Codes	Xn: Harmful;
Risk Phrases	22-41
Safety Phrases	S26-S36/37/39-S39
RTECS	MX7700000
HS Code	2908199090

Precursor 8
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DownStream 9
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HS Code	2908199090
Summary	HS: 2908199090. derivatives of polyphenols or phenol-alcohols containing only halogen substituents and their salts. VAT:17.0%. tax rebate rate:9.0%. supervision conditions:None. MFN tariff:5.5%. general tariff:30.0%

Name: TP_TRANSPORTER: inhibition of Doxorubicin efflux (Doxorubicin: 50 uM, Tetrachlorohydr...
Source: ChEMBL
Target: ATP-dependent translocase ABCB1
External Id: CHEMBL2076599

Name: Screen for inhibitors of RMI FANCM (MM2) intereaction
Source: 11908
Target: N/A
External Id: RMI-FANCM-MM2

Name: Spectroscopic Assay from Article 10.1021/bi300261p: "Pentachlorophenol hydroxylase, a...
Source: BindingDB
Target: N/A
External Id: BindingDB_5706_1

Name: Cell-based high throughput primary assay to identify activators of GPR151
Source: The Scripps Research Institute Molecular Screening Center
Target: RecName: Full=G-protein coupled receptor 151; AltName: Full=G-protein coupled receptor PGR7; AltName: Full=GPCR-2037; AltName: Full=Galanin receptor 4; AltName: Full=Galanin-receptor-like protein; Short=GalRL
External Id: GPR151_PHUNTER_AG_LUMI_1536_1X%ACT

Name: AlphaScreen-based biochemical high throughput primary assay to identify activators of...
Source: The Scripps Research Institute Molecular Screening Center
Target: N/A
External Id: FBW7_ACT_ALPHA_1536_1X%ACT PRUN

Name: AlphaScreen-based biochemical high throughput primary assay to identify inhibitors of...
Source: The Scripps Research Institute Molecular Screening Center
External Id: MITF_INH_Alpha_1536_1X%INH PRUN

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Tetrachlorohydroquinone

EINECS 201-779-1

MFCD00041748

2,3,5,6-tetrachlorobenzene-1,4-diol

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Product Name: Tetrachlorohydroquinone
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China
Product Name: 1,4-Benzenediol,2,3,5,6-tetrachloro-
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