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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1,3,6,8-TETRACHLORODIBENZO-P-DIOXIN
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33423-92-6

33423-92-6 structure

33423-92-6 structure

Name: 1,3,6,8-TETRACHLORODIBENZO-P-DIOXIN
Chemical Name: 1,3,6,8-tetrachlorodibenzodioxine
CAS Number: 33423-92-6
Molecular Formula: C₁₂H₄Cl₄O₂
Molecular Weight: 321.97100
Create Date: 2018-12-28 11:27:22
Modify Date: 2025-09-12 05:30:17

Name	1,3,6,8-tetrachlorodibenzodioxine
Synonyms	1,3,6,8-TCDD 1,3,6,8-Tetrachlorodibenzodioxin 1,3,6,8-Tetrachlorodibenzo-p-dioxin 1,3,6,8-Tetrachlorooxanthrene 1,3,6,8-Tetrachlorodibenzo-para-dioxin 1,3,6,8-tetrachlorodioxine 1,3,6,8-T4CDD 1,3,6,8-tetrachlordibenzodioxin Dibenzo-p-dioxin,1,3,6,8-tetrachloro

Density	1.643g/cm3
Boiling Point	413ºC at 760mmHg
Molecular Formula	C₁₂H₄Cl₄O₂
Molecular Weight	321.97100
Flash Point	161.7ºC
Exact Mass	319.89700
PSA	18.46000
LogP	6.19820
Index of Refraction	1.655

CHEMICAL IDENTIFICATION

RTECS NUMBER :: HP3495000

CHEMICAL NAME :: Dibenzo-p-dioxin, 1,3,6,8-tetrachloro-

CAS REGISTRY NUMBER :: 33423-92-6

BEILSTEIN REFERENCE NO. :: 1388027

LAST UPDATED :: 199710

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: C12-H4-Cl4-O2

MOLECULAR WEIGHT :: 321.96

WISWESSER LINE NOTATION :: T666 BO IOJ EG GG LG NG

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 24 gm/kg

SEX/DURATION :: female 8-15 day(s) after conception

TOXIC EFFECTS :: Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)

REFERENCE :: OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 25,713,1983 *** 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

RIDADR	UN 2811
Hazard Class	6.1(a)

Precursor 3
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