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Toxicology of chlorinated dibenzo-p-dioxins.

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Schwetz, B A, Norris, J M, Sparschu, G L, Rowe, U K, Gehring, P J, Emerson, J L, Gerbig, C G·1973·Environmental Health Perspectives

Abstract

Severe toxicological responses have been associated with certain chlorodibenzodioxins. One of these responses is chloracne, a folliculosis first associated with skin contamination by chlorohydrocarbons in 1899 (1)). Serious outbreaks of chloracne-like lesions associated with runaway reactions in the production of 2,4,5-trichlorophenol occurred in Germany in the early 1950's (2). 2,4,5Trichlorophenol itself does not cause acne (3), but the contaminants which may be formed in the uncontrolled production of 2,4,5-trichlorophenol are extremely potent acnegens (2). 2,3,7,8-Tetrachlorodibenzo-pdioxin and triand tetrachlorodibenzofuran were isolated from the contaminants formed in 2,4,5-trichlorophenol production and were demonstrated to be strongly positive acnegens when applied to rabbit ears (3). By using the rabbit ear test, the acnegenic potency of 2,3,7,8-tetrachlorodibenzo-p-dioxin (2,3,7,8-TCDD) was confirmed in 1962 (4). In addition, 2,3,7,8-TCDD is extremely toxic in the chick embryo assay (5) and is highly embryotoxic in rats (6). Another chlorodibenzodioxin, hexachlorodibenzo-pdioxin (HCDD), is known to be positive for the chick edema factor, a condition characterized by hydropericardium, ascites, and anasarca (5, 7).

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Authors
Schwetz, B. A., Norris, J. M., Sparschu, G. L., Rowe, U. K., Gehring, P. J., Emerson, J. L., & Gerbig, C. G.
Venue
Environmental Health Perspectives
Published
1973-09
Volume
5
Pages
87-99
ISSN
  • 0091-6765 (ISSN-L)
  • 1552-9924
OpenAlex
W2008143869
Cited by
492
References
0
FWCI
17.01
Type
journal article
Language
en
Open access
gold

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