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Substance Name: 2,3,7,8-Tetrachlorodibenzo-p-dioxin
RN: 1746-01-6
UNII: DO80M48B6O
InChIKey: HGUFODBRKLSHSI-UHFFFAOYSA-N
Note
- A chemical by-product that results from burning or incinerating chlorinated industrial chemicals and other hydrocarbons. This compound is considered an environmental toxin, and may pose reproductive, as well as, other health risks for animals and humans.
Molecular Formula
- C12-H4-Cl4-O2
Molecular Weight
- 321.9736
- All
- Classifications
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- Names & Synonyms
- Registry Numbers
- Structure Descriptors
- Toxicity
- Physical Properties
Classification Codes
Classification Codes
- Environmental Pollutants
- Human Data
- Mutation Data
- Noxae
- Reproductive Effect
- Skin / Eye Irritant
- Teratogens
- Tumor Data
Superlist Classification Codes
- 2007 CERCLA Priority List, Rank: 73
- 2011 CERCLA Priority List, Rank: 71
- Known to be a Human Carcinogen
- Overall Carcinogenic Evaluation: Group 1
- Overall Carcinogenic Evaluation: Group 2B
- Reportable Quantity (RQ) = 1 lb
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Names and Synonyms
Name of Substance
- 2,3,7,8-Tetrachlorodibenzo-p-dioxin
- Tetrachlorodibenzodioxin
MeSH Heading
- Polychlorinated Dibenzodioxins
Synonyms
- 2,3,7,8-Czterochlorodwubenzo-p-dwuoksyny
- 2,3,7,8-Czterochlorodwubenzo-p-dwuoksyny [Polish]
- 2,3,7,8-TCDD
- 2,3,7,8-Tetra polychlorinated dibenzo-p-dioxin
- 2,3,7,8-Tetrachlorodibenzo(b,e)(1,4)dioxin
- 2,3,7,8-Tetrachlorodibenzo-1,4-dioxin
- 2,3,7,8-Tetrachlorodibenzo-p-dioxin
- 2,3,7,8-Tetrachlorodibenzo-p-dioxin [Dioxin and dioxin-like compounds]
- 2,3,7,8-Tetrachlorodibenzodioxin
- 5-19-02-00041 (Beilstein Handbook Reference)
- BRN 0271116
- CCRIS 576
- Dibenzo(b,e)(1,4)dioxin, 2,3,7,8-tetrachloro-
- Dibenzo-p-dioxin, 2,3,7,8-tetrachloro-
- Dioksyny
- Dioksyny [Polish]
- Dioxin
- Dioxin (herbicide contaminant)
- Dioxine
- EINECS 217-122-7
- HSDB 4151
- NCI-C03714
- TCDBD
- TCDD
- Tetrachlorodibenzo-p-dioxin
- Tetrachlorodibenzodioxin
- Tetradioxin
- UNII-DO80M48B6O
Systematic Names
- 2,3,7,8-Tetrachlorodibenzo(b,e)(1,4)dioxin
- 2,3,7,8-Tetrachlorodibenzo-p-dioxin
- Dibenzo(b,e)(1,4)dioxin, 2,3,7,8-tetrachloro-
- Dibenzo-p-dioxin, 2,3,7,8-tetrachloro-
Superlist Names
- 2,3,7,8-Tetrachlorodibenzo(b,e)(1,4)dioxin
- 2,3,7,8-Tetrachlorodibenzo-p-dioxin
- Dibenzo(b,e)(1,4)dioxin, 2,3,7,8-tetrachloro-
- TCDD
Registry Numbers
CAS Registry Number
- 1746-01-6
FDA UNII
- DO80M48B6O
Other Registry Number
- 56795-67-6
System Generated Number
- 0001746016
Structure Descriptors
InChI
InChI=1S/C12H4Cl4O2/c13-5-1-9-10(2-6(5)14)18-12-4-8(16)7(15)3-11(12)17-9/h1-4HInChIKey
HGUFODBRKLSHSI-UHFFFAOYSA-NSmiles
Clc1cc2Oc3cc(Cl)Toxicity
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
chicken | LDLo | intraperitoneal | 25ug/kg (0.025mg/kg) | Journal of Toxicology and Environmental Health. Vol. 35, Pg. 187, 1992. | |
chicken | LDLo | intraperitoneal | 25ug/kg (0.025mg/kg) | Journal of Toxicology and Environmental Health. Vol. 35, Pg. 187, 1992. | |
chicken | LDLo | intraperitoneal | 25ug/kg (0.025mg/kg) | BEHAVIORAL: FOOD INTAKE (ANIMAL) | Journal of Toxicology and Environmental Health. Vol. 35, Pg. 187, 1992. |
chicken | LDLo | oral | 25ug/kg (0.025mg/kg) | Food and Cosmetics Toxicology. Vol. 11, Pg. 585, 1973. | |
chicken | LDLo | oral | 25ug/kg (0.025mg/kg) | LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Food and Cosmetics Toxicology. Vol. 11, Pg. 585, 1973. |
dog | LD50 | oral | 1ug/kg (0.001mg/kg) | Experientia. Vol. 38, Pg. 879, 1982. | |
frog | LD50 | oral | 1mg/kg (1mg/kg) | Scientific American. Vol. 254, Pg. 29, 1986. | |
guinea pig | LD50 | oral | 500ng/kg (0.0005mg/kg) | Environmental Science Research. Vol. 2, Pg. 708, 1973. | |
hamster | LD50 | intraperitoneal | > 3mg/kg (3mg/kg) | ENDOCRINE: CHANGES IN THYMUS WEIGHT BLOOD: "CHANGES IN SERUM COMPOSITION (E.G., TP, BILIRUBIN, CHOLESTEROL)" | Toxicology and Applied Pharmacology. Vol. 55, Pg. 67, 1980. |
hamster | LD50 | oral | 1157ug/kg (1.157mg/kg) | Toxicology and Applied Pharmacology. Vol. 55, Pg. 67, 1980. | |
hamster | LD50 | oral | 1157ug/kg (1.157mg/kg) | BLOOD: "CHANGES IN SERUM COMPOSITION (E.G., TP, BILIRUBIN, CHOLESTEROL)" GASTROINTESTINAL: OTHER CHANGES | Toxicology and Applied Pharmacology. Vol. 55, Pg. 67, 1980. |
human | TDLo | skin | 107ug/kg (0.107mg/kg) | SKIN AND APPENDAGES (SKIN): "DERMATITIS, ALLERGIC: AFTER TOPICAL EXPOSURE" | Scientific American. Vol. 254, Pg. 29, 1986. |
mammal (species unspecified) | LD50 | oral | 4200ng/kg (0.0042mg/kg) | BLOOD: CHANGES IN SPLEEN KIDNEY, URETER, AND BLADDER: OTHER CHANGES LIVER: OTHER CHANGES | Archives of Environmental Contamination and Toxicology. Vol. 17, Pg. 33, 1988. |
monkey | LD50 | oral | 2ug/kg (0.002mg/kg) | Experientia. Vol. 38, Pg. 879, 1982. | |
mouse | LD50 | intraperitoneal | 120ug/kg (0.12mg/kg) | Scientific American. Vol. 254, Pg. 29, 1986. | |
mouse | LD50 | oral | 114ug/kg (0.114mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD SENSE ORGANS AND SPECIAL SENSES: MYDRIASIS (PUPILLARY DILATION): EYE CARDIAC: OTHER CHANGES | Toxicology and Applied Pharmacology. Vol. 29, Pg. 229, 1974. |
mouse | LDLo | skin | 80ug/kg (0.08mg/kg) | GASTROINTESTINAL: OTHER CHANGES | Research Communications in Chemical Pathology and Pharmacology. Vol. 20, Pg. 101, 1978. |
mouse | LDLo | unreported | 200ug/kg (0.2mg/kg) | Annals of the New York Academy of Sciences. Vol. 320, Pg. 204, 1979. | |
mouse | LDLo | unreported | 200ug/kg (0.2mg/kg) | LIVER: FATTY LIVER DEGERATION | Annals of the New York Academy of Sciences. Vol. 320, Pg. 204, 1979. |
rabbit | LD50 | intraperitoneal | 252ug/kg (0.252mg/kg) | Scientific American. Vol. 254, Pg. 29, 1986. | |
rabbit | LD50 | oral | 115ug/kg (0.115mg/kg) | Toxicology and Applied Pharmacology. Vol. 35, Pg. 553, 1976. | |
rabbit | LD50 | skin | 275ug/kg (0.275mg/kg) | EHP, Environmental Health Perspectives. Vol. 5, Pg. 87, 1973. | |
rat | LD50 | intraperitoneal | 24600ng/kg (0.0246mg/kg) | Toxicology and Applied Pharmacology. Vol. 45, Pg. 513, 1978. | |
rat | LD50 | oral | 20ug/kg (0.02mg/kg) | Experientia. Vol. 38, Pg. 879, 1982. |
Physical Properties
Physical Property | Value | Units | Temp (deg C) | Source |
---|---|---|---|---|
Melting Point | 305 | deg C | EXP | |
log P (octanol-water) | 6.8 | (none) | EXP | |
Water Solubility | 2.00E-04 | mg/L | 25 | EXP |
Vapor Pressure | 1.50E-09 | mm Hg | 25 | EXP |
Henry's Law Constant | 5.00E-05 | atm-m3/mole | 25 | EST |
Atmospheric OH Rate Constant | 7.53E-13 | cm3/molecule-sec | 25 | EST |
Physical property data is provided to ChemIDplus by SRC, Inc.