1,2,3,4-Tetrachlorobenzene

Product Name: 1,2,3,4-Tetrachlorobenzene
CAS No.: 634-66-2
Chemical Name: 1,2,3,4-Tetrachlorobenzene
Synonyms: NSC 50729;1,2,3,4-tcb;1.2.3.4-Tetrac;Tetrachlorobenzene;1,2,3,4-tetrachloro-benzen;1,2,3,4-TETRACHLOROBENZENE;1,2,3,4-four chlorobenzene;BENZENE,1,2,3,4-TETRACHLORO-;Tetrachlorobenzene, 1,2,3,4-;1,2,3,4-Tetrachlorobenzene,98%
CBNumber: CB9854048
Molecular Formula: C6H2Cl4
Formula Weight: 215.89
MOL File: 634-66-2.mol

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1,2,3,4-Tetrachlorobenzene Property

Melting point:: 44 °C
Boiling point:: 254 °C761 mm Hg(lit.)
Density: 1,73 g/cm³
vapor pressure: 1.5 (extrapolated from vapor pressures determined at higher temperatures, Tesconi andYalkowsky, 1998)
refractive index: 1.5348 (estimate)
Flash point:: >230 °F
storage temp.: APPROX 4°C
solubility: 0.0028g/l
form: chunks
color: White crystals or needles
Water Solubility: 5.92mg/L(25 ºC)
BRN: 1910025
Henry's Law Constant: 3.6 at 10 °C (Koelmans et al., 1999)
Dielectric constant: 3.2000000000000002
CAS DataBase Reference: 634-66-2(CAS DataBase Reference)
EPA Substance Registry System: 1,2,3,4-Tetrachlorobenzene (634-66-2)

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Safety

Hazard Codes: Xn,T,F
Risk Statements: 22-39/23/24/25-23/24/25-11
Safety Statements: 22-24/25-45-16-7-36/37
RIDADR: 3077
WGK Germany: 3
RTECS: DB9440000
HS Code: 29039990
Hazardous Substances Data: 634-66-2(Hazardous Substances Data)
Toxicity: Acute oral LD50 for rats 1,167 mg/kg (quoted, RTECS, 1985).

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H410Very toxic to aquatic life with long lasting effects

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P273Avoid release to the environment.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P391Collect spillage. Hazardous to the aquatic environment

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 131849
Product name: 1,2,3,4-Tetrachlorobenzene
Purity: 98%
Packaging: 1g
Price: $11.68
Updated: 2024/03/01

Sigma-Aldrich

Product number: 131849
Product name: 1,2,3,4-Tetrachlorobenzene
Purity: 98%
Packaging: 10g
Price: $277
Updated: 2024/03/01

TCI Chemical

Product number: T0631
Product name: 1,2,3,4-Tetrachlorobenzene
Packaging: 25G
Price: $38
Updated: 2024/03/01

TCI Chemical

Product number: T0631
Product name: 1,2,3,4-Tetrachlorobenzene
Packaging: 500G
Price: $322
Updated: 2024/03/01

Sigma-Aldrich

Product number: 46014
Product name: 1,2,3,4-Tetrachlorobenzene
Purity: PESTANAL
Packaging: 100mg
Price: $23.8
Updated: 2022/05/15

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1,2,3,4-Tetrachlorobenzene Chemical Properties,Usage,Production

Chemical Properties

WHITE CRYSTALLINE SOLID

Uses

Component of dielectric fluids, synthesis.

Uses

1,2,3,4-tetrachlorobenzene was used as a model compound to determine the chlorobenzenes (CBs) in soil samples. It was also used for rapid dechlorination of 1,2,3,4-tetrachlorodibenzo-p-dioxin (1,2,3,4-TeCDD).

Definition

ChEBI: A tetrachlorobenzene carrying chloro groups at positions 1, 2 , 3 and 4.

General Description

White to off-white crystals.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

Simple aromatic halogenated organic compounds, such as 1,2,3,4-Tetrachlorobenzene, are very unreactive. Reactivity generally decreases with increased degree of substitution of halogen for hydrogen atoms. Materials in this group may be incompatible with strong oxidizing and reducing agents. Also, they may be incompatible with many amines, nitrides, azo/diazo compounds, alkali metals, and epoxides.

Health Hazard

ACUTE/CHRONIC HAZARDS: 1,2,3,4-Tetrachlorobenzene may cause irritation of the skin.

Fire Hazard

1,2,3,4-Tetrachlorobenzene is probably combustible.

Safety Profile

Moderately toxic by ingestion. An experimental teratogen. Experimental reproductive effects. Irritant. Combustible liquid. When heated to decomposition it emits toxic fumes of Cl-. See also CHLORINATED HYDROCARBONS, AROMATIC.

Environmental Fate

Biological. A mixed culture of soil bacteria or a Pseudomonas sp. transformed 1,2,3,4- tetrachlorobenzene to 2,3,4,5-tetrachlorophenol (Ballschiter and Scholz, 1980). After incubation in sewage sludge for 32 d under anaerobic conditions, 1,2,3,4-tetrachlorobenzene did not biodegrade (Kirk et al., 1989). The half-life of 1,2,3,4-tetrachlorobenzene in an anaerobic enrichment culture was 26.4 h (Beurskens et al., 1993). Potrawfke et al. (1998) reported that a pure culture of Pseudomonas chlororaphis RW71 mineralized 1,2,3,4-tetrachlorobenzene as a sole source of carbon and energy. Intermediate biodegradation products identified were tetrachlorocatechol, tetrachloromuconic acid, 2,3,5-trichlorodienelactone, 2,3,5-trichloro-4-hydroxymuconic acid. In an enrichment culture derived from a contaminated site in Bayou d’Inde, LA, 1,2,4,5- tetrachlorobenzene underwent reductive dechlorination yielding 1,2,4-trichlorobenzene. The maximum dechlorination rate, based on the recommended Michaelis-Menten model, was 208 nM/d (Pavlostathis and Prytula, 2000).
Photolytic. Irradiation (λ ≥285 nm) of 1,2,3,4-tetrachlorobenzene (1.1–1.2 mM/L) in an acetonitrile-water mixture containing acetone (0.553 mM/L) as a sensitizer gave the following products (% yield): 1,2,3-trichlorobenzene (9.2), 1,2,4-trichlorobenzene (32.6), 1,3-dichlorobenzene (5.2), 1,4-dichlorobenzene (1.5), 2,2′,3,3′,4,4′,5-heptachlorobiphenyl (2.52), 2,2′,3,3′,4,5,6′- heptachlorobiphenyl (1.22), 10 hexachlorobiphenyls (3.50), five pentachlorobiphenyls (0.87), dichlorophenyl cyanide, two trichloroacetophenones, trichlorocyanophenol, (trichlorophenyl) acetonitriles, and 1-(trichlorophenyl)-2-propanone (Choudhry and Hutzinger, 1984). Without acetone, the identified photolysis products (% yield) included 1,2,3-trichlorobenzene (7.8), 1,2,4- trichlorobenzene (26.8), 1,2-dichlorobenzene (0.5), 1,3-dichlorobenzene (0.7), 1,4-dichloro-benzene (30.4), 1,2,3,5-tetrachlorobenzene (2.26), 1,2,4,5-tetrachlorobenzene (0.72), 2,2′,3,3′,4,4′,5- heptachlorobiphenyl (<0.01), and 2,2′,3,3′,4,5,6′-heptachlorobiphenyl (<0.01) (Choudhry and Hutzinger, 1984). The sunlight irradiation of 1,2,3,4-tetrachlorobenzene (20 g) in a 100-mL borosilicate glass-stoppered Erlenmeyer flask for 56 d yielded 4,280 ppm heptachlorobiphenyl (Uyeta et al., 1976).

Solubility in water

Soluble in acetic acid, ether, ligroin (Weast, 1986), and very soluble in many chlorinated solvents including chloroform, carbon tetrachloride, etc.

Purification Methods

Crystallise it from EtOH. [Beilstein 5 H 204, 5 II 156, 5 III 550, 5 IV 667.]

Toxics Screening Level

The final ITSL for 1,2,3,4-tetrachiorobenzene is 120 μg/m3 (24-hour average).

1,2,3,4-Tetrachlorobenzene Preparation Products And Raw materials

Raw materials

Preparation Products

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1,2,3,4-Tetrachlorobenzene Suppliers

Belgium 2 Canada 4 China 73 France 1 Germany 7 India 18 Japan 4 Slovakia 1 South Korea 1 Switzerland 3 United Kingdom 7 United States 22 Global 143

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View Lastest Price from 1,2,3,4-Tetrachlorobenzene manufacturers

R&D Scientific Inc.

Product: 1,2,3,4-Tetrachlorobenzene 634-66-2
Price: US $786.00/Kg
Min. Order: 0.100Kg
Purity: 98
Supply Ability: 5000 Kg
Release date: 2024-11-18

634-66-2, 1,2,3,4-TetrachlorobenzeneRelated Search:

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634-66-2

22311-25-1

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