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Product Name: 2,3,7-TRICHLORODIBENZO-P-DIOXIN
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33857-28-2

33857-28-2 structure

Name: 2,3,7-Trichlorodibenzo-p-dioxin
Chemical Name: 2,3,7-Trichlorodibenzo-p-dioxin
CAS Number: 33857-28-2
Molecular Formula: C₁₂H₅Cl₃O₂
Molecular Weight: 287.52600
Create Date: 2018-12-23 03:32:11
Modify Date: 2025-09-15 17:09:56

Name	2,3,7-Trichlorodibenzo-p-dioxin
Synonyms	Dibenzo-p-dioxin,2,3,7-trichloro 2,3,7-trichlorodibenzodioxin

Density	1.562g/cm3
Boiling Point	384.8ºC at 760mmHg
Molecular Formula	C₁₂H₅Cl₃O₂
Molecular Weight	287.52600
Flash Point	152.8ºC
Exact Mass	285.93600
PSA	18.46000
LogP	5.54480
Index of Refraction	1.649

CHEMICAL IDENTIFICATION

RTECS NUMBER :: HP3630000

CHEMICAL NAME :: Dibenzo-p-dioxin, 2,3,7-trichloro-

CAS REGISTRY NUMBER :: 33857-28-2

BEILSTEIN REFERENCE NO. :: 1320418

LAST UPDATED :: 199612

DATA ITEMS CITED :: 5

MOLECULAR FORMULA :: C12-H5-Cl3-O2

MOLECULAR WEIGHT :: 287.52

WISWESSER LINE NOTATION :: T C666 BO IOJ EG FG LG

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >3 mg/kg

TOXIC EFFECTS :: Endocrine - changes in spleen weight Endocrine - changes in thymus weight Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 44,335,1978

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 29400 ug/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: EXPEAM Experientia. (Birkhaeuser Verlag, POB 133, CH-4010 Basel, Switzerland) V.1- 1945- Volume(issue)/page/year: 38,879,1982 *** REVIEWS *** IARC Cancer Review:Animal Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 15,41,1977 IARC Cancer Review:Human No Adequate Data IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 15,41,1977 IARC Cancer Review:Group 3 IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,56,1987

HS Code	2932999060

2138-22-9

89-69-0

33857-28-2

Literature: Luebke, Markus; Whitcombe, Michael J.; Vulfson, Evgeny N. Journal of the American Chemical Society, 1998 , vol. 120, # 51 p. 13342 - 13348

1746-01-6

33857-28-2

Literature: Qin, Zhaohai Chemosphere, 1996 , vol. 33, # 1 p. 91 - 97

262-12-4

33857-28-2

40321-76-4

1746-01-6

Literature: Kuntsevich, A. D.; Golovkov, V. F.; Chernov, S. A. Doklady Chemistry, 1992 , vol. 327, # 1-3 p. 245 - 247 Doklady Akademii Nauk SSSR, 1992 , vol. 327, # 1 p. 92 - 95

1746-01-6

33857-28-2

33857-26-0

933-75-5

Detail

Literature: Samsonov, D. P.; Rakhmanova, T. V.; Peryunina, R. I. J. Gen. Chem. USSR (Engl. Transl.), 1992 , vol. 62, # 1.2 p. 182 - 187,149 - 154

Precursor 4
2138-22-9 89-69-0 1746-01-6 262-12-4
DownStream 1
71721-80-7

HS Code	2932999060
Summary	2932999060. Dioxin,Furan(polychorinated dibenzo-p-dioxines,polychlorinated dibenzofurans). VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:89(articles on the list of prohibited export goods,articles on the list of prohibited import goods). MFN tariff:6.5%. General tariff:20.0%

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