CAS 33857-28-2|2,3,7-Trichlorodibenzo-p-dioxin

Introduction：Basic information about CAS 33857-28-2|2,3,7-Trichlorodibenzo-p-dioxin, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Toxicological Information
CHEMICAL IDENTIFICATION
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
4. Safety Information
5. Customs
6. Synonyms

Common Name	2,3,7-Trichlorodibenzo-p-dioxin
CAS Number	33857-28-2	Molecular Weight	287.52600
Density	1.562g/cm3	Boiling Point	384.8ºC at 760mmHg
Molecular Formula	C₁₂H₅Cl₃O₂	Melting Point	/
MSDS	/	Flash Point	152.8ºC

Names

Name	2,3,7-Trichlorodibenzo-p-dioxin
Synonym	More Synonyms

Chemical & Physical Properties

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
InChIKey	ZSIZNEVHVVRPFF-UHFFFAOYSA-N
SMILES	Clc1ccc2c(c1)Oc1cc(Cl)c(Cl)cc1O2

Toxicological Information

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

Safety Information

HS Code	2932999060

Customs

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%

Synonyms

Dibenzo-p-dioxin,2,3,7-trichloro

2,3,7-trichlorodibenzodioxin

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