ChemicalBook > CAS DataBase List > 1,2,3,5-Tetrachlorobenzene

1,2,3,5-Tetrachlorobenzene

Product Name: 1,2,3,5-Tetrachlorobenzene
CAS No.: 634-90-2
Chemical Name: 1,2,3,5-Tetrachlorobenzene
Synonyms: 1,2,3,5-tcb;1,2,3,5-Tetrachlorob;1,3,4,5-Tetrachlorbenzol;,2,3,5-TETRACHLOROBENZENE;Nicotinamide Impurity 249;1,2,3,5-TETRACHLOROBENZENE;tetrachloro1,2,3,5-benzene;1,2,4,6-tetrachlorobenzene;1,2,3,5-tetrachloro-benzen;1,3,4,5-Tetrachlorobenzene
CBNumber: CB1395743
Molecular Formula: C6H2Cl4
Formula Weight: 215.89
MOL File: 634-90-2.mol

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1,2,3,5-Tetrachlorobenzene Property

Melting point:: 54.5°C
Boiling point:: 246°C
Density: 1.5578 (estimate)
vapor pressure: 0.07 at 25 °C (extrapolated, Mackay et al., 1982)
refractive index: 1.5348 (estimate)
Flash point:: 113 °C
storage temp.: APPROX 4°C
solubility: Soluble in alcohol, benzene, ether, and ligroin (Weast, 1986)
color: White to Almost white
Water Solubility: 4.016mg/L(25 ºC)
BRN: 1618864
Henry's Law Constant: 58.0 at 25 °C (gas stripping-GC, Shiu and Mackay, 1997)
CAS DataBase Reference: 634-90-2(CAS DataBase Reference)
NIST Chemistry Reference: Benzene, 1,2,3,5-tetrachloro-(634-90-2)
EPA Substance Registry System: 1,2,3,5-Tetrachlorobenzene (634-90-2)

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Safety

Hazard Codes: Xn,T,F
Risk Statements: 22-39/23/24/25-23/24/25-11
Safety Statements: 22-24/25-45-36/37-16-7
RIDADR: UN 1230 3/PG 2
WGK Germany: 3
RTECS: DB9445000
HS Code: 2903.99.8001
Hazardous Substances Data: 634-90-2(Hazardous Substances Data)
Toxicity: Acute oral LD50 for rats 1,727 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: 36928
Product name: 1,2,3,5-Tetrachlorobenzene
Purity: PESTANAL
Packaging: 250mg
Price: $40.8
Updated: 2025/07/31

TCI Chemical

Product number: T0870
Product name: 1,2,3,5-Tetrachlorobenzene
Packaging: 5G
Price: $153
Updated: 2025/07/31

TCI Chemical

Product number: T0870
Product name: 1,2,3,5-Tetrachlorobenzene
Packaging: 25G
Price: $425
Updated: 2025/07/31

TRC

Product number: T291995
Product name: 1,2,3,5-Tetrachlorobenzene
Packaging: 10g
Price: $185
Updated: 2021/12/16

Matrix Scientific

Product number: 098293
Product name: 1,2,3,5-Tetrachlorobenzene
Purity: 95+%
Packaging: 1g
Price: $57
Updated: 2021/12/16

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1,2,3,5-Tetrachlorobenzene Chemical Properties,Usage,Production

Chemical Properties

White crystals, melting point 51-52°C.

Uses

1,2,3,5-Tetrachlorobenzene is used in the synthesis of several organic compounds including that of polyarylated benzenes by multiple Suzuki-Miyaura reactions. It was used as part of study which investigated the antimicrobial activity of tetra substituted benzene derivatives which suggested antimicrobial activity tended to decrease with increasing size of halogen substituents.

Definition

ChEBI: A tetrachlorobenzene carrying chloro groups at positions 1, 2, 3 and 5.

General Description

White crystals or off-white solid.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

Simple aromatic halogenated organic compounds, such as 1,2,3,5-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. 1,2,3,5-Tetrachlorobenzene may react with oxidizers. .

Health Hazard

ACUTE/CHRONIC HAZARDS: 1,2,3,5-Tetrachlorobenzene may cause irritation on contact.

Fire Hazard

1,2,3,5-Tetrachlorobenzene is probably combustible.

Environmental Fate

Biological. A mixed culture of soil bacteria or a Pseudomonas sp. transformed 1,2,3,5-tetrachlorobenzene to 2,3,4,6-tetrachlorophenol (Ballschiter and Scholz, 1980). The half-life of 1,2,3,5- tetrachlorobenzene in an anaerobic enrichment culture was 1.8 d (Beurskens et al., 1993).
In an enrichment culture derived from a contaminated site in Bayou d’Inde, LA, 1,2,3,5- tetrachlorobenzene underwent reductive dechlorination to 1,2,4- and 1,3,5-trichlorobenzene at relative molar yields of 7 and 93%, respectively. The maximum dechlorination rate, based on the recommended Michaelis-Menten model, was 94 nM/d (Pavlostathis and Prytula, 2000).
Photolytic. Irradiation (λ ≥285 nm) of 1,2,3,5-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 (5.3), 1,2,4-trichlorobenzene (4.9), 1,3,5-trichlorobenzene (49.3), 1,3-dichlorobenzene (1.8), 2,3,4,4′,5,5′,6-heptachlorobiphenyl (1.41), 2,2′,3,4,4′,6,6′- heptachlorobiphenyl (1.10), 2,2′,3,3′,4,5′,6-heptachlorobiphenyl (4.50), four hexachlorobiphenyls (4.69), one pentachlorobiphenyl (0.64), trichloroacetophenone, 1-(trichlorophenyl)-2-propanone, and (trichlorophenyl)acetonitrile (Choudhry and Hutzinger, 1984). Without acetone, the identified photolysis products (% yield) included 1,2,3-trichlorobenzene (trace), 1,2,4-trichlorobenzene (24.3), 1,3,5-trichlorobenzene (11.7), 1,3-dichlorobenzene (0.5), 1,4-dichlorobenzene (3.3), pentachlorobenzene (1.43), 1,2,3,4-tetrachlorobenzene (5.99), two heptachlorobiphenyls (1.40), two hexachlorobiphenyls (<0.01), and one pentachlorobiphenyl (0.75) (Choudhry and Hutzinger, 1984).

Purification Methods

Crystallise it from EtOH. [Beilstein 5 II 157, 5 III 551, 5 IV 668.]

Toxics Screening Level

The final ITSL for 1,2,3,5-TeCB is 12 μg/m3 (24-hour average). The Initial Threshold Screening Level for 1,2,3,5-tetrachlorobenzene is 12 μg/m3 with annual averaging time.

1,2,3,5-Tetrachlorobenzene Preparation Products And Raw materials

Raw materials

Preparation Products

2,4,5-Trichlorophenol

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View Lastest Price from 1,2,3,5-Tetrachlorobenzene manufacturers

Career Henan Chemical Co

Product: 1,2,3,5-Tetrachlorobenzene 634-90-2
Price: US $1.00/kg
Min. Order: 1kg
Purity: 95%-99%
Supply Ability: as request
Release date: 2018-12-24

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634-90-2

643-90-2

C6H2Cl4

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