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1,2-Dichlorobenzene

1,2-Dichlorobenzene Suppliers list
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Products Intro: Product Name:1,2-Dichlorobenzene
CAS:95-50-1
Purity:98% (Min,GC) Package:100g;1kg;5kg,10kg,25kg,50kg
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Products Intro: Product Name:1,2-Dichlorobenzene
CAS:95-50-1
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Products Intro: Product Name:1,2-Dichlorobenzene
CAS:95-50-1
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Products Intro: CAS:95-50-1
Purity:98% HPLC Package:5G;10G;25G;50G;100G;250G;1KG
1,2-Dichlorobenzene Basic information
Product Name:1,2-Dichlorobenzene
Synonyms:1,2-Dichlorobenzene(98%, HyDry, Water≤50 ppm (by K.F.));1,2-Dichlorobenzene(98%, HyDry, with molecular sieves, Water≤50 ppm (by K.F.));1,2-dichloro-benzen;2-dichlorobenzene;ai3-00053;Benzene, o-dichloro-;Benzene,1,2-dichloro-;Benzene,o-dichloro-
CAS:95-50-1
MF:C6H4Cl2
MW:147
EINECS:202-425-9
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Mol File:95-50-1.mol
1,2-Dichlorobenzene Structure
1,2-Dichlorobenzene Chemical Properties
Melting point -15 °C
Boiling point 179 °C
density 1.306 g/mL at 25 °C(lit.)
vapor density 5.1 (vs air)
vapor pressure 1.2 mm Hg ( 20 °C)
refractive index n20/D 1.551
Fp 150 °F
storage temp. 0-6°C
solubility 0.13g/l
form Liquid
color Clear colorless to very slightly yellow
OdorAromatic; characteristic aromatic.
explosive limit2.2-12%(V)
Water Solubility 0.13 g/L (20 ºC)
λmaxλ: 296 nm Amax: 1.00
λ: 300 nm Amax: 0.30
λ: 305 nm Amax: 0.20
λ: 335 nm Amax: 0.05
λ: 375-400 nm Amax: 0.01
Merck 14,3056
BRN 606078
Exposure limitsCeiling 50 ppm (~300 mg/m3) (MSHA, OSHA, and NIOSH); IDLH 1700 ppm (NIOSH).
Stability:Stable, but possibly light sensitive. Combustible. Incompatible with oxidizing agents, aluminium, aluminium alloys. Attacks some rubbers and plastics.
CAS DataBase Reference95-50-1(CAS DataBase Reference)
NIST Chemistry ReferenceBenzene, 1,2-dichloro-(95-50-1)
EPA Substance Registry SystemBenzene, 1,2-dichloro-(95-50-1)
Safety Information
Hazard Codes Xn,N,Xi,F,T
Risk Statements 22-36/37/38-50/53-67-66-52/53-36-11-39/23/24/25-23/24/25-51/53
Safety Statements 9-16-26-60-61-23-45-36/37-7
RIDADR UN 1993 3/PG 2
WGK Germany 3
RTECS CZ4500000
Autoignition Temperature640 °C
TSCA Yes
HazardClass 6.1
PackingGroup III
HS Code 29036100
Hazardous Substances Data95-50-1(Hazardous Substances Data)
ToxicityLD50 orally in Rabbit: 500 mg/kg LD50 dermal Rabbit > 10000 mg/kg
MSDS Information
ProviderLanguage
1,2-Dichlorobenzene English
SigmaAldrich English
ACROS English
ALFA English
1,2-Dichlorobenzene Usage And Synthesis
Chemical Propertiescolourless liquid
Chemical PropertiesThere are three isomeric forms of dichlorobenzene (DCB): m-DCB is a flammable liquid and vapor.
Chemical Properties1,2-Dichlorobenzene (DCB, o-Dichlorobenzene, ODB, Orthodichlorobenzene), C6H4Cl2, is a colorless to pale yellow liquid with a pleasant aromatic odor. It is a combustible liquid and can form explosive mixtures with air at or above 151°F. Combustion and thermal decomposition products include hydrogen chloride gas, phosgene and chloro-carbons. Its flammable (explosive) limits are as follows: Lower 2.2%, Upper 9.2%.
UsesSolvent for waxes, gums, resins, tars, rubbers, oils, asphalts; insecticide for termites and locust borers; fumigant; deodorizer; removing sulfur from illuminating gas; as degreasing agent for metals, leather, wool; as ingredient of metal polishes; as heat transfer medium; as intermediate in the manufacture of dyes.
Uses1,2-Dichlorobenzene is used as a solvent; asa fumigant; as an insecticide for termites;as a degreasing agent for metals, wool, andleather; and as a heat transfer medium.
DefinitionChEBI: A dichlorobenzene carrying chloro substituents at positions 1 and 2.
General DescriptionA clear colorless liquid with a pleasant odor. Denser than water and insoluble in water. Flash point 150°F. Toxic by inhalation and ingestion. Used to make other chemicals, solvents, fumigants and insecticides and for many other uses.
Air & Water ReactionsInsoluble in water.
Reactivity Profile1,2-Dichlorobenzene is sensitive to prolonged exposure to light. 1,2-Dichlorobenzene can react vigorously with oxidizers. 1,2-Dichlorobenzene is incompatible with aluminum and aluminum alloys. 1,2-Dichlorobenzene attacks some forms of plastics, rubber and coatings. .
Health HazardChronic inhalation of mist or vapors may result in damage to lungs, liver, and kidneys. Acute vapor exposure can cause symptoms ranging from coughing to central nervous system depression and transient anesthesia. Irritating to skin, eyes, and mucous membranes. May cause dermatitis.
Health Hazard1,2-Dichlorobenzene exhibits low acute toxi city by inhalation, ingestion, and skin absorp tion. It is more toxic than chlorobenzene.The symptoms are lacrimation, depression ofcentral nervous system, anesthesia, and liverdamage. Lethal concentration in rats for a7-hour exposure period is in the range of800 ppm. The oral LD50 value in rabbits is500 mg/kg. There is no evidence of carcino genicity in animals.
Fire HazardFlash Point (°F): 165 ℃; 155 ℃; Flammable Limits in Air (%): 2.2-9,2; Fire Extinguishing Agents: Water, foam, dry chemical or carbon dioxide; Fire Extinguishing Agents Not To Be Used: Not pertinent; Special Hazards of Combustion Products: Irritating vapors including hydrogen chloride gas, chlorocarbones, chlorine; Behavior in Fire: Not pertinent; Ignition Temperature (°F): 1198; Electrical Hazard: Not pertinent; Burning Rate: 1.3 mm/min.
Fire HazardSpecial Hazards of Combustion Products: Poisonous vapors including hydrogen chloride gas, chlorocarbons, chlorine
Chemical ReactivityReactivity with Water No reaction; Reactivity with Common Materials: No reaction; Stability During Transport: Stable; Neutralizing Agents for Acids and Caustics: Not pertinent; Polymerization: Not pertinent; Inhibitor of Polymerization: Not pertinent.
Safety ProfilePoison by ingestion and intravenous routes. Moderately toxic by inhalation and intraperitoneal routes. An experimental teratogen. Other experimental reproductive effects. An eye, skin, and mucous membrane irritant. Causes liver and hdney injury. Questionable carcinogen. Mutation data reported. A pesticide. Flammable when exposed to heat or flame. Can react vigorously with oxidizing materials. To fight fire, use water, foam, CO2, or dry chemical. Slow reaction with aluminum may lead to explosion during storage in a sealed aluminum container. When heated to decomposition it emits toxic fumes of Cl-. See also CHLOROBENZENE and CHLORINATED HYDROCARBONS, AROMATIC.
Potential ExposureThe major uses of o-DCB are as a process solvent in the manufacturing of toluene diisocyanate and as an intermediate in the synthesis of dyestuffs, herbicides, and degreasers. p-Dichlorbenzene is used primarily as a moth repellant, a mildew control agent; space deodorant; and in insecticides, which accounts for 90% of the total production of this isomer. Information is not available concerning the production and use of m-DCB. However, it may occur as a contaminant of o-or p-DCB formulations. Both o-and p-isomers are produced almost entirely as by-products during the production of monochlorobenzene
First aidIf this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least 15 minutes, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin, remove contaminated clothing and wash immediately with soap and water. Seek medical attention immediately. If this chemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if heart action has stopped. Transfer promptly to a medical facility. When this chemical has been swallowed, get medical attention. Give large quantities of water and induce vomiting. Do not make an unconscious person vomit
Shippingm-DCB: UN2810 Toxic liquids, organic, n.o.s., Hazard Class: 6.1; Labels: 6.1-Poisonous materials, Technical Name Required. United States DOT Regulated Marine Pollutant. UN3077 Environmentally hazardous substances, solis, n.o.s., Hazard class: 9; Labels: 9-Miscellaneous hazardous material, Technical NameRequired. UN3082 Environmentally hazardous substances, liquid, n.o.s., Hazard class: 9; Labels: 9-Miscellaneous hazardous material, Technical Name Required
Purification MethodsContaminants may include the p-isomer and trichlorobenzene [Suslick et al. J Am Chem Soc 106 4522 1984]. It should be shaken with conc or fuming H2SO4, washed with water, dried with CaCl2, and distilled from CaH2 or sodium in a glass-packed column. Low conductivity material (ca 10-10 mhos) has been obtained by refluxing with P2O5, fractionally distilling and passing it through a column packed with silica gel or activated alumina: it is stored in a dry-box under N2 or with activated alumina. [Beilstein 5 IV 654.]
IncompatibilitiesFor o-DCB and m-DCB: acid fumes, chlorides, strong oxidizers; hot aluminum, or aluminum alloys. For p-DCB: Strong oxidizers; although, incompatibilities for this chemical may also include other materials listed for o-DCB.
Waste DisposalIncineration, preferably 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. 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
Tag:1,2-Dichlorobenzene(95-50-1) Related Product Information
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