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
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)
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)
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.
N-Bromosuccinimide Price
- Product number
- 131326
- Product name
- Pentachlorobenzene
- Purity
- 98%
- Packaging
- 5g
- Price
- $52.74
- Updated
- 2024/03/01
- Product number
- 131326
- Product name
- Pentachlorobenzene
- Purity
- 98%
- Packaging
- 100g
- Price
- $840
- Updated
- 2024/03/01
- Product number
- P237920
- Product name
- 1,2,3,4,5-Pentachlorobenzene
- Packaging
- 100mg
- Price
- $40
- Updated
- 2021/12/16
- Product number
- P237920
- Product name
- 1,2,3,4,5-Pentachlorobenzene
- Packaging
- 500mg
- Price
- $45
- Updated
- 2021/12/16
- Product number
- P237920
- Product name
- 1,2,3,4,5-Pentachlorobenzene
- Packaging
- 1g
- Price
- $75
- Updated
- 2021/12/16
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
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