Abstract:
:1-((2-methyl-4-[(2-methyl phenyl)azo] phenyl)azo)-2-naphthalenol (C.I. Solvent Red 24) was prepared having a 14C label on the methyl group of the central ring and was administered in suspension intra-tracheally to a male and a female rat. After 96 hours in metabolism cages, the animals were sacrificed and 14C counted in various organs and in urine/feces samples taken periodically up to 96 hours. Absorbed colorant was defined as that percentage of the total dose of radioactivity not present in the lung parenchyma after 96 hours relative to the total amount recovered and amounted to about 60%. Of this, about 98% was excreted in the urine and feces, the latter being the major excretory pathway. No free colorant was found in either feces or urine. Fractional percentages of the absorbed radioactivity were found in various tissues including the liver, and 4-amino-2',3(14C) dimethylazobenzene was identified in the urine after acid hydrolysis.
journal_name
Drug Chem Toxicoljournal_title
Drug and chemical toxicologyauthors
Parent RA,Dressler Idoi
10.3109/01480547909016034subject
Has Abstractpub_date
1979-01-01 00:00:00pages
409-20issue
4eissn
0148-0545issn
1525-6014journal_volume
2pub_type
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