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Basic Information
CAS No.: 30746-58-8
Name: 1,2,3,4-TETRACHLORODIBENZO-P-DIOXIN
Molecular Structure:
Molecular Structure of 30746-58-8 (1,2,3,4-TETRACHLORODIBENZO-P-DIOXIN)
Formula: C12H4 Cl4 O2
Molecular Weight: 321.975
Synonyms: Dibenzo-p-dioxin,1,2,3,4-tetrachloro- (8CI); 1,2,3,4-TCDD; 1,2,3,4-Tetrachlorodibenzo-p-dioxin;1,2,3,4-Tetrachlorodibenzodioxin; PCDD 27
Density: 1.643g/cm3
Melting Point: 189°C
Boiling Point: 413.3°Cat760mmHg
Flash Point: 161.9°C
Solubility: 0.55ug/L(25 oC)
Safety: A poison by ingestion. No evidence of carcinogenic activity. When heated to decomposition it emits toxic vapors of Cl−.
PSA: 18.46000
LogP: 6.19820
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Toxicity Data With Reference

1.   

orl-rat LD50:800 µg/kg

    EXPEAM    Experientia. 38 (1982),879.

Consensus Reports

IARC Cancer Review: Group 3 IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 7 ,1987,p. 56.(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 Inadequate Evidence IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 15 ,1977,p. 41.(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 No Adequate Data IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 15 ,1977,p. 41.(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) .

Safety Profile

A poison by ingestion. No evidence of carcinogenic activity. When heated to decomposition it emits toxic vapors of Cl−.