Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1,4-Benzenediol,2,3,5,6-tetrachloro-
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87-87-6

87-87-6 structure

87-87-6 structure

Name: Tetrachlorohydroquinone
Chemical Name: tetrachlorohydroquinone
CAS Number: 87-87-6
Molecular Formula: C₆H₂Cl₄O₂
Molecular Weight: 247.89
Catalog: Chemical reagent Organic reagent Fatty ketone (including enol)
Create Date: 2018-08-11 14:25:53
Modify Date: 2024-01-02 02:56:13
Tetrachlorohydroquinone (TCHQ) is a metabolite of pentachlorophenol. Tetrachlorohydroquinone increases DNA lesions and induce oxidative stress in rodents[1].

Name	tetrachlorohydroquinone
Synonyms	Tetrachlorohydroquinone EINECS 201-779-1 MFCD00041748 2,3,5,6-tetrachlorobenzene-1,4-diol

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

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
118-82-1 118-75-2 87-86-5 83-32-9
56763-71-4 113519-95-2 575-41-7 87-85-4
DownStream 9
533-73-3 2237-14-1 25294-85-3 118-75-2
608-94-6 6995-79-5 931-71-5 17811-54-0
944-78-5

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%