PENTACHLOROBENZENE

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PENTACHLOROBENZENE

Product Name: PENTACHLOROBENZENE
CAS No.: 608-93-5
Chemical Name: PENTACHLOROBENZENE
Synonyms: QCB;NSC 1857;Pentachlorbenzol;Petachlorobenzene;PENTACHLOROBENZENE;pentachloro-benzen;PENTACHLOROBENEZENE;rcrawastenumberu183;Benzene, pentachloro-;Rcra waste number U183
CBNumber: CB6120698
Molecular Formula: C6HCl5
Formula Weight: 250.34
MOL File: 608-93-5.mol

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PENTACHLOROBENZENE Property

Melting point:: 84-87 °C (lit.)
Boiling point:: 275-277 °C (lit.)
Density: 1.609 g/mL at 25 °C (lit.)
vapor pressure: 6 x 10^-3 mmHg at 20–30 °C (quoted, Mercer et al., 1990)
refractive index: 1.5522 (estimate)
storage temp.: 2-8°C
solubility: Very soluble in ether (Sax and Lewis, 1987)
color: White needles
Water Solubility: 1.332mg/L(25 ºC)
BRN: 1911550
Henry's Law Constant: 5.14 at 25 °C (continuous flow sparger, Sproule et al., 1991)
CAS DataBase Reference: 608-93-5(CAS DataBase Reference)
EPA Substance Registry System: Pentachlorobenzene (608-93-5)

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Safety

Hazard Codes: F,Xn,N
Risk Statements: 11-22-50/53-40-67-36/37/38
Safety Statements: 41-46-50-60-61-36/37-24/25-23
RIDADR: UN 3077 9/PG 3
WGK Germany: 3
RTECS: DA6640000
Hazardous Substances Data: 608-93-5(Hazardous Substances Data)
Toxicity: LC50 (14-day) for guppy 178 ppb (Verschueren, 1983); acute oral LD50 for rats 1,080 mg/kg (RTECS, 1985)

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H228Flammable solid

H302Harmful if swallowed

H410Very toxic to aquatic life with long lasting effects

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P240Ground/bond container and receiving equipment.

P241Use explosion-proof electrical/ventilating/lighting/…/equipment.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P273Avoid release to the environment.

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

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 131326
Product name: Pentachlorobenzene
Purity: 98%
Packaging: 5g
Price: $52.74
Updated: 2024/03/01

Sigma-Aldrich

Product number: 131326
Product name: Pentachlorobenzene
Purity: 98%
Packaging: 100g
Price: $840
Updated: 2024/03/01

TRC

Product number: P237920
Product name: 1,2,3,4,5-Pentachlorobenzene
Packaging: 1g
Price: $75
Updated: 2021/12/16

TRC

Product number: P237920
Product name: 1,2,3,4,5-Pentachlorobenzene
Packaging: 100mg
Price: $40
Updated: 2021/12/16

TRC

Product number: P237920
Product name: 1,2,3,4,5-Pentachlorobenzene
Packaging: 500mg
Price: $45
Updated: 2021/12/16

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PENTACHLOROBENZENE Chemical Properties,Usage,Production

Chemical Properties

Pentachlorobenzene is a colorless crystalline solid. Pleasant aroma.

Uses

It was used to prepare tetrachlorobenzene by photolysis.

Uses

Agrochemical researc

Definition

ChEBI: A member of the class of pentachlorobenzenes that is benzene in which five of the hydrogens are replaced by chlorines. Now classed as a persistent organic pollutant under the Stockholm Convention.

Synthesis Reference(s)

The Journal of Organic Chemistry, 38, p. 2928, 1973 DOI: 10.1021/jo00957a002

General Description

White crystals.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

PENTACHLOROBENZENE is relatively unreactive. May be incompatible with strong oxidizing and reducing agents. Also may be incompatible with many amines, nitrides, azo/diazo compounds, alkali metals, and epoxides.

Fire Hazard

Flash point data for PENTACHLOROBENZENE are not available but PENTACHLOROBENZENE is probably non-flammable.

Safety Profile

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

Potential Exposure

Pentachlorobenzene is used primarily as a precursor in the synthesis of the fungicide pentachloronitrobenzene, and as a flame retardant. Drug/ Therapeutic Agent; Fungicide; bactericide; wood preservative; industrial Insecticides.

Source

Pentachlorobenzene may enter the environment from leaking dielectric fluids containing this compound. Pentachlorobenzene may be present as an undesirable by-product in the chemical manufacture of hexachlorobenzene, pentachloronitrobenzene, tetrachloroenzenes, tetrachloroethylene, trichloroethylene, and 1,2-dichloroethane (U.S. EPA, 1980).

Environmental Fate

Biological. In activated sludge, <0.1% mineralized to carbon dioxide after 5 days (Freitag et al., 1985). From the first-order biotic and abiotic rate constants of pentachlorobenzene in estuarine water and sediment/water systems, the estimated biodegradation half-lives were 4.6–6.5 and 6.0–7.6 days, respectively (Walker et al., 1988)
Photolytic. UV irradiation (λ = 2537 ?) of pentachlorobenzene in a hexane solution for 3 hours produced a 50% yield of 1,2,4,5-tetrachlorobenzene and a 13% yield of 1,2,3,5- tetrachlorobenzene (Crosby and Hamadmad, 1971). Irradiation (λ ≥285 nm)
A carbon dioxide yield of 2.0% was achieved when pentachlorobenzene adsorbed on silica gel was irradiated with light (λ >290 nm) for 17 hours (Freitag et al., 1985).
The experimental first-order decay rate for pentachlorobenzene in an aqueous solution containing a nonionic surfactant micelle (Brij 58, a polyoxyethylene cetyl ether) and illuminated by a photoreactor equipped with 253.7-nm monochromatic UV lamps, is 1.47 × 10–2/sec. The corresponding half-life is 47 seconds. Photoproducts reported include, all
tetra-, tri- and dichlorobenzenes, chlorobenzene, benzene, phenol, hydrogen and chloride ions (Chu and Jafvert, 1994)

Shipping

UN3077 Environmentally hazardous substances, solid, n.o.s., Hazard class: 9; Labels: 9-Miscellaneous hazardous material, Technical Name Required.

Incompatibilities

Polychlorinated hydrocarbons Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides, aluminum, liquid oxygen; potassium, sodium.

Waste Disposal

Consult with environmental regulatory agencies for guidance on acceptable disposal practices. Generators of waste containing this contaminant (≥100 kg/mo) must conform with EPA regulations governing storage, transportation, treatment, and waste disposal. Incineration after mixing with another combustible fuel. Care must be exercised to assure complete combustion to prevent the formation of phosgene. An acid scrubber is necessary to remove the halo acids produced.

PENTACHLOROBENZENE Preparation Products And Raw materials

Raw materials

Preparation Products

Tetrachlorvinphos

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608-93-5, PENTACHLOROBENZENERelated Search:

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PENTACHLOROBENEZENE

2,3,4,5,6-Pentachlorobenzene

NSC 1857

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Benzene, pentachloro-

pentachlorobenzene solution

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Pentachlorobenzene 2g [608-93-5]

Petachlorobenzene

1,2,3,4,5-Pentachlorobenzene

pentachloro-benzen

QCB

Rcra waste number U183

rcrawastenumberu183

Pentachlorobenzene Solution, 100ppm

Benzene, 1,2,3,4,5-pentachloro-

PentachlorobenzeneSolution,100mg/L,1ml

PentachlorobenzeneSolution,1,000mg/L,1ml

Anagrelide impurity 32

Pentachlorobenzene in Methanol

XA15960000CY PentachlorobenzenE100μg/mLin Cyc

Hydralazine Impurity 2 (Phthalazone)

608-93-5

HC6Cl5

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