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6 резултата
NTP Toxicology and Carcinogenesis Studies of Commercial Grade 2,4 (80%)- and 2,6 (20%)- Toluene Diisocyanate (CAS No. 26471-62-5) in F344/N Rats and B6C3F1 Mice (Gavage Studies).
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Вход / Регистрация
Toluene diisocyanate (TDI) is commercially produced as an approximate 80:20 mixture of the 2,4- and 2,6-isomers. In 1980, 580,000 pounds of this chemical were produced in the United States, primarily for use in the manufacture of flexible polyurethane foams. These foam elastomers are found in
NTP Toxicology and Carcinogenesis Studies of Isophorone (CAS No. 78-59-1) in F344/N Rats and B6C3F1 Mice (Gavage Studies).
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Вход / Регистрация
Toxicology and carcinogenesis studies of isophorone (greater than 94% pure), a widely used solvent and chemical intermediate, were conducted by administering 0, 250, or 500 mg isophorone/kg body weight per day by gavage in corn oil to groups of 50 F344/N rats and 50 B6C3F1 mice of each sex, 5 days
Toxicology and Carcinogenesis Studies of 8-Methoxypsoralen (CAS No. 298-81-7) in F344/N Rats (Gavage Studies).
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Вход / Регистрация
Oral administration of 8-methoxypsoralen followed by exposure to longwave ultraviolet light (primarily ultraviolet A, 320-400 nm) is used in the treatment of vitiligo and psoriasis. 8-Methoxypsoralen also occurs naturally in a variety of vegetables. Toxicology and carcinogenesis studies of
Carcinogenesis Studies of Pentachloroethane (CAS No. 76-01-7) in F344/N Rats and B6C3F1 Mice (Gavage Study).
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Вход / Регистрация
A carcinogenesis bioassay of technical grade pentachloroethane (95.5% pure, with 4.2% hexachloroethane) was conducted by administering the test chemical in corn oil by gavage to groups of 50 male and 50 female F344/ N rats at doses of 75 or 150 mg/ kg body weight and to groups of 50 male and 50
The carcinogenic activity of commercial grade toluene diisocyanate in rats and mice in relation to the metabolism of the 2,4- and 2,6-TDI isomers.
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Вход / Регистрация
Groups of 50 F344/N rats of each sex and 50 B6C3F1 mice of each sex were gavaged with corn oil or a mixture of toluene diisocyanate (TDI) in corn oil for 5 days per week for 105 or 106 weeks. Female rats and mice were given doses of 60 or 120 mg/kg body weight, while male rats received 30 or 60
Bioassay of 1,2-dichloroethane for possible carcinogenicity.
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Вход / Регистрация
A bioassay of technical-grade 1,2-dichloroethane for possible carcinogenicity was conducted using Osborne-Mendel rats and B6C3F1 mice. 1,2-Dichloroethane in corn oil was administered by gavage, at either of two dosages, to groups of 50 male and 50 female animals of each species. The 78-week period
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