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118-74-1

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Identification

Name
HEXACHLOROBENZENE
CAS
118-74-1
Synonyms
1,2,3,4,5,6-HEXACHLOROBENZENE
ANTICARIE(R)
BENZENE HEXACHLORIDE
bexachlorobenzene
BUNT-CURE(R)
BUNT-NO-MORE(R)
HCB
HCB(R)
Hexachlorbenzd
HEXACHLOROBENZENE
Hexachlorocyclohexane
JULIN'S CARBON CHLORIDE
'LGC' (1131)
NO BUNT
PERCHLOROBENZENE
ai3.01719
Amatin
Anticarie
Antitcatil
Bunt-cure
EINECS(EC#)
204-273-9
Molecular Formula
C6Cl6
MDL Number
MFCD00000540
Molecular Weight
284.78
MOL File
118-74-1.mol

Chemical Properties

Description
Hexachlorobenzene is a white crystalline solid. This compound does not occur naturally. It is formed as a by-product during the manufacture of chemicals used as solvents (substances used to dissolve other substances), other chlorine-containing compounds, and pesticides. Small amounts of hexachlorobenzene can also be produced during combustion processes such as burning of city wastes. It may also be produced as a by-product in waste streams of chlor-alkali and wood-preserving plants. Hexachlorobenzene was widely used as a pesticide until 1965. It was also used to make fireworks, ammunition, and synthetic rubber.
Appearance
Hexachlorobenzene is a solid, crystallizing in nee dles.
Appearance
white powder
mp 
227-229 °C(lit.)

bp 
323-326 °C(lit.)

density 
1.5691
Fp 
11 °C
storage temp. 
APPROX 4°C
Stability:
Stable. Incompatible with strong oxidizing agents.
Merck 
13,4696
CAS DataBase Reference
118-74-1(CAS DataBase Reference)

Safety Data

Hazard Codes 
T,N,Xn,F,Xi
Risk Statements 
R45:May cause cancer.
R48/25:Toxic: danger of serious damage to health by prolonged exposure if swallowed .
R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
R67:Vapors may cause drowsiness and dizziness.
R65:Harmful: May cause lung damage if swallowed.
R62:Possible risk of impaired fertility.
R51/53:Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
R48/20:Harmful: danger of serious damage to health by prolonged exposure through inhalation .
R38:Irritating to the skin.
R11:Highly Flammable.
R39/23/24/25:Toxic: danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed .
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed .
R66:Repeated exposure may cause skin dryness or cracking.
R36/38:Irritating to eyes and skin .
Safety Statements 
S53:Avoid exposure-obtain special instruction before use .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S60:This material and/or its container must be disposed of as hazardous waste .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
S62:If swallowed, do not induce vomiting: seek medical advice immediately and show this container or label .
S36/37:Wear suitable protective clothing and gloves .
S33:Take precautionary measures against static discharges .
S29:Do not empty into drains .
S16:Keep away from sources of ignition-No smoking .
S9:Keep container in a well-ventilated place .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
RIDADR 
UN 2729 6.1/PG 3

WGK Germany 
3

RTECS 
DA2975000

HazardClass 
6.1(b)
PackingGroup 
III

Raw materials And Preparation Products

Hazard Information

General Description
A white crystalline substance. Insoluble in water and denser than water. Contact may irritate skin, eyes and mucous membranes. May be toxic by ingestion. Used to make other chemicals.
Reactivity Profile
HEXACHLOROBENZENE(118-74-1) reacts violently with dimethylformamide. .
Air & Water Reactions
This chemical is sensitive to moisture. Insoluble in water.
Hazard
Possible carcinogen. Toxic by ingestion. Combustible.
Health Hazard
Harmful by dust inhalation or if swallowed. Irritating to eyes, skin and mucous membranes. Prolonged periods of ingestion may cause cutaneous porphyria.
Potential Exposure
Hexachlorobenzene was used as a fun gicide; an additive for pyrotechnic compositions; and as wood preservative. It was used widely as a pesticide to pro tect seeds of onions and sorghum, wheat, and other grains against fungus until 1965. This material was used to make fireworks; ammunition for military uses; synthetic rubber; as a porosity controller in the manufacture of electrodes; as an intermediate in dye manufacture; in organic synthesis. It is formed as a by-product of making other chemicals; in the waste streams of chloralkali and wood-preserving plants; and when burning municipal waste. Currently, there are no commercial uses of hexachlorobenzene in the United States.
First aid
If 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, includ ing 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 medi cal attention. Give large quantities of water and induce vomiting. Do not make an unconscious person vomit. Note to Physician: For ingestions of less than 10 mg/kg body weight occurring less than an hour before treatment, induce emesis. For ingestions of more than 10 mg/kg body weight occurring less than an hour before treatment, use gastric lavage. For ingestion occurring more than an hour before treatment, use activated charcoal. There is no specific anti dote, and supervision for at least 72 hours is recommended. Personal Protective Methods: Wear protective eye protec tion, gloves, and clothing to prevent any reasonable probability of skin or eye contact. Safety equipment suppliers/manufacturers can provide recommendations on the most protective glove/clothing material for your opera tion. All protective clothing (suits, gloves, footwear, head gear) should be clean, available each day, and put on before work. Contact lenses should not be worn when working with this chemical. Wear dust-proof chemical gog gles and face shield unless full facepiece respiratory protec tion is worn. Employees should wash immediately with soap when skin is wet or contaminated. Provide emergency showers and eyewash.
Shipping
UN2729 Hexachlorobenzene, Hazard Class: 6.1; Labels: 6.1-Poisonous materials.
Incompatibilities
Reacts violently with oxidizers; dimethyl formamide above 65 ℃.
Waste Disposal
Incineration is most effective @ 1300 ℃ and 0.25 seconds. Consult with environmental regulatory agencies for guidance on acceptable disposal practices. Generators of waste containing this contaminant (≥100 kg/mo) must conform to EPA regulations governing storage, transportation, treatment, and waste disposal.

Material Safety Data Sheet(MSDS)

Spectrum Detail

Well-known Reagent Company Product Information

Sigma Aldrich
118-74-1(sigmaaldrich)
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