Basic information
- Name:
Benzene,1,2,3,4,5,6-hexachloro-
- Superlist Name:
- Hexachlorobenzene
- CAS No.:
118-74-1
- Molecular Structure:
- Formula:
- C6Cl6
- Molecular Weight:
- 284.78
- Synonyms:
- Benzene,hexachloro- (8CI,9CI);Amatin;Anticarie;Bunt-cure;Bunt-no-more;Co-opHexa;HCB;HCB (pesticide);Julin's carbon chloride;NSC9243;No Bunt;No Bunt 40;No Bunt 80;No Bunt Liquid;Pentachlorophenylchloride;Perchlorobenzene;Sanocide;Snieciotox;Zaprawa nasienna sneciotox;
- EINECS:
- 204-273-9
- Density:
- 1.767 g/cm3
- Melting Point:
- 227-229 °C(lit.)
- Boiling Point:
- 324.499 °C at 760 mmHg
- Flash Point:
- 151.101 °C
- Appearance:
- white powder
- Hazard Symbols:
T,
N- Risk Codes:
- 45-48/25-50/53
- Safety Description:
- 53-60-45-61 Details
- Transport Information:
- UN 2729
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Chemistry
Hexachlorobenzene(118-74-1), or perchlorobenzene, is a chlorocarbon with the molecular formula C6Cl6. It is a white crystalline solid that has negligible solubility in water. It is soluble in diethyl ether, benzene, ethanol and chloroform. Its vapour pressure is 1.09×10-5 mmHg (1.45 mPa) at 20 °C. Its flash point is 242 °C and it sublimes at 322 °C.
IUPAC Name: 1,2,3,4,5,6-hexachlorobenzene
Molecular formula: C6Cl6
Molar mass: 284.80 g/mol
Density: 2.04 g/cm3
Melting point: 231 °C
Boiling point: 323-326 °C
Other names: Perchlorobenzene; HCB
The Structure of Hexachlorobenzene(118-74-1):
IUPAC Name: 1,2,3,4,5,6-hexachlorobenzene
Molecular formula: C6Cl6
Molar mass: 284.80 g/mol
Density: 2.04 g/cm3
Melting point: 231 °C
Boiling point: 323-326 °C
Other names: Perchlorobenzene; HCB
The Structure of Hexachlorobenzene(118-74-1):
Uses
Hexachlorobenzene(118-74-1) is a fungicide formerly used as a seed treatment, especially on wheat to control the fungal disease bunt. It has been banned globally under the Stockholm Convention on persistent organic pollutants.
Toxicity Data With Reference
| 1. | dnd-esc 20 µmol/L | MUREAV Mutation Research. 89 (1981),95. | ||
| 2. | mmo-smc 100 ppm | RSTUDV Rivista di Scienza e Technologia degli Alimenti e di Nutrizione Umana. Review of Science and Technology of Food and Human Nutrition. 6 (1976),161. | ||
| 3. | orl-rat TDLo:2738 mg/kg/2Y-C:CAR | PAACA3 Proceedings of the American Association for Cancer Research. 24 (1983),59. | ||
| 4. | orl-mus TDLo:6972 mg/kg/83W-C:NEO | IJCNAW International Journal of Cancer. 23 (1979),47. | ||
| 5. | orl-ham TDLo:1000 mg/kg/18W-C:CAR | NATUAS Nature. 269 (1977),510. | ||
| 6. | unr-man LDLo:220 mg/kg | 85DCAI Poisoning; Toxicology, Symptoms, Treatments. 2 (1970),73. | ||
| 7. | orl-rat LD50:10,000 mg/kg | 85DPAN Wirksubstanzen der Pflanzenschutz und Schadlingsbekampfungsmittel Werner Perkow,Berlin, Germany.: Verlag Paul Parey,1971/76. | ||
| 8. | ihl-rat LC50:3600 mg/m3 | 85GMAT Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure Izmerov, N.F., et al.,Moscow, USSR.: Centre of International Projects, GKNT,1982,72. | ||
| 9. | orl-mus LD50:4 g/kg | 85GMAT Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure Izmerov, N.F., et al.,Moscow, USSR.: Centre of International Projects, |
Consensus Reports
NTP 10th Report on Carcinogens. IARC Cancer Review: Group 2B IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 7 , 1987,p. 219.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Animal Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 20 , 1979,p. 155.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Human Limited Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 20 , 1979,p. 155.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) . Community Right-To-Know List. Reported in EPA TSCA Inventory. EPA Genetic Toxicology Program.
Safety Profile
Confirmed carcinogen with experimental carcinogenic, neoplastigenic, and teratogenic data. A human poison by an unspecified route. Experimental reproductive effects. Mildly toxic experimentally by inhalation. Mutation data reported. A fungicide. Combustible when exposed to heat or flame. Violent reaction with dimethylformamide. To fight fire, use CO2, dry chemical. When heated to decomposition it emits highly toxic fumes of Cl−. See also CHLORINATED HYDROCARBONS, AROMATIC.
Hazard Codes:
T,
N,
Xn,Xi,
F
Risk Statements: 45-48/25-50/53-67-65-62-51/53-48/20-38-11-39/23/24/25-23/24/25-66-36/38
45: May cause cancer
48/25: Toxic: danger of serious damage to health by prolonged exposure if swallowed
50/53: Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
67: Vapors may cause drowsiness and dizziness
65: Harmful: May cause lung damage if swallowed
62: Possible risk of impaired fertility
51/53: Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
48/20: Harmful: danger of serious damage to health by prolonged exposure through inhalation
38: Irritating to the skin
11: Highly Flammable
39/23/24/25: Toxic: danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed
23/24/25: Toxic by inhalation, in contact with skin and if swallowed
66: Repeated exposure may cause skin dryness or cracking
36/38: Irritating to eyes and skin
Safety Statements: 53-45-60-61-62-36/37-33-29-16-9-26
53: Avoid exposure - obtain special instruction before use
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
60: This material and/or its container must be disposed of as hazardous waste
61: Avoid release to the environment. Refer to special instructions safety data sheet
62: If swallowed, do not induce vomiting: seek medical advice immediately and show this container or label
36/37: Wear suitable protective clothing and gloves
33: Take precautionary measures against static discharges
29: Do not empty into drains
16: Keep away from sources of ignition - No smoking
9: Keep container in a well-ventilated place
26: 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
Hazard Codes:
T,N,Xn,Xi,F Risk Statements: 45-48/25-50/53-67-65-62-51/53-48/20-38-11-39/23/24/25-23/24/25-66-36/38
45: May cause cancer
48/25: Toxic: danger of serious damage to health by prolonged exposure if swallowed
50/53: Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
67: Vapors may cause drowsiness and dizziness
65: Harmful: May cause lung damage if swallowed
62: Possible risk of impaired fertility
51/53: Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
48/20: Harmful: danger of serious damage to health by prolonged exposure through inhalation
38: Irritating to the skin
11: Highly Flammable
39/23/24/25: Toxic: danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed
23/24/25: Toxic by inhalation, in contact with skin and if swallowed
66: Repeated exposure may cause skin dryness or cracking
36/38: Irritating to eyes and skin
Safety Statements: 53-45-60-61-62-36/37-33-29-16-9-26
53: Avoid exposure - obtain special instruction before use
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
60: This material and/or its container must be disposed of as hazardous waste
61: Avoid release to the environment. Refer to special instructions safety data sheet
62: If swallowed, do not induce vomiting: seek medical advice immediately and show this container or label
36/37: Wear suitable protective clothing and gloves
33: Take precautionary measures against static discharges
29: Do not empty into drains
16: Keep away from sources of ignition - No smoking
9: Keep container in a well-ventilated place
26: 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
Standards and Recommendations
ACGIH TLV: TWA 0.002 (skin); Animal Carcinogen
DFG MAK: Not Classifiable as a Human Carcinogen; BAT: 15 μg/dL in plasma/serum
DOT Classification: 6.1; Label: KEEP AWAY FROM FOOD
DFG MAK: Not Classifiable as a Human Carcinogen; BAT: 15 μg/dL in plasma/serum
DOT Classification: 6.1; Label: KEEP AWAY FROM FOOD