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

Modify Date: 2024-01-02 18:29:57

3,4,5,6-Tetrachlorobenzene-1,2-diol Structure
3,4,5,6-Tetrachlorobenzene-1,2-diol structure
Common Name 3,4,5,6-Tetrachlorobenzene-1,2-diol
CAS Number 1198-55-6 Molecular Weight 247.891
Density 1.8±0.1 g/cm3 Boiling Point 309.1±37.0 °C at 760 mmHg
Molecular Formula C6H2Cl4O2 Melting Point 184-186°C (dec.)
MSDS USA Flash Point 140.7±26.5 °C
Symbol GHS05 GHS07 GHS09
GHS05, GHS07, GHS09
Signal Word Danger

 Use of 3,4,5,6-Tetrachlorobenzene-1,2-diol


Tetrachlorocatechol is a metabolite of pentachlorophenol. Tetrachlorocatechol is one of the most toxic chlorinated catechol produced by the chlorobleaching of pulp and frequently found in the kraft pulp mill effluents[1][2].

 Names

Name tetrachlorocatechol
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.8±0.1 g/cm3
Boiling Point 309.1±37.0 °C at 760 mmHg
Melting Point 184-186°C (dec.)
Molecular Formula C6H2Cl4O2
Molecular Weight 247.891
Flash Point 140.7±26.5 °C
Exact Mass 245.880890
PSA 40.46000
LogP 4.74
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.662
Storage condition 2-8°C

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UX2449000
CHEMICAL NAME :
Pyrocatechol, tetrachloro-
CAS REGISTRY NUMBER :
1198-55-6
BEILSTEIN REFERENCE NO. :
1876366
LAST UPDATED :
199710
DATA ITEMS CITED :
7
MOLECULAR FORMULA :
C6-H2-Cl4-O2
MOLECULAR WEIGHT :
247.88
WISWESSER LINE NOTATION :
QR BQ CG DG EG FG

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,526,1986
TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,526,1986 ** ACUTE TOXICITY DATA **
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
318 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - tremor Behavioral - muscle weakness
REFERENCE :
TECSDY Toxicological and Environmental Chemistry. (Gordon & Breach Science Pub. Inc., 1 Park Ave., New York, NY 10016) V.3(3/4)- 1981- Volume(issue)/page/year: 11,37,1986
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
136 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year: 40,63,1978

 Safety Information

Symbol GHS05 GHS07 GHS09
GHS05, GHS07, GHS09
Signal Word Danger
Hazard Statements H302-H318-H400
Precautionary Statements P273-P280-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Faceshields;Gloves
Hazard Codes Xn: Harmful;
Risk Phrases R20/22
Safety Phrases S26-S36/37/39-S39
RIDADR 2811
RTECS UX2449000
Packaging Group III
Hazard Class 6.1(b)
HS Code 2908199090

 Synthetic Route

 Customs

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%

 Articles9

More Articles
Polyhalogenated benzo- and naphthoquinones are potent inhibitors of plant and bacterial ureases.

FEBS Lett. 555(2) , 367-70, (2003)

Polyhalogenated benzo- and naphthoquinones were found to be potent inhibitors of pure ureases from Bacillus pasteurii and Canavalia ensiformis. They also inhibited ureases in whole cells of Helicobact...

Oxidative double dehalogenation of tetrachlorocatechol by a bio-inspired CuII complex: formation of chloranilic acid.

Chemistry 14(18) , 5567-76, (2008)

Copper(II) complexes of the potentially tripodal N,N,O ligand 3,3-bis(1-methylimidazol-2-yl)propionate (L1) and its conjugate acid HL1 have been synthesised and structurally and spectroscopically char...

Synergistic cytotoxic effect of tetrachlorocatechol and sodium azide in Escherichia coli: toxicity, metabolism, and mechanistic aspects.

Environ. Toxicol. Chem. 28(7) , 1380-9, (2009)

Pentachlorophenol (PCP) is used in industrial and domestic applications, including as a biocide and a wood preservative. Metabolism of PCP undergoes oxidative dechlorination, forming tetrachlorocatech...

 Synonyms

1,2-Benzenediol, 3,4,5,6-tetrachloro-
MFCD00002190
3,4,5,6-Tetrachloro-1,2-benzenediol (9CI)
3,4,5,6-tetrachlorobenzene-1,2-diol
3,4,5,6-Tetrachloro-1,2-benzenediol
TETRACHLOROCATECHOL
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