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OLS Field Name OLS Field Data
Main Title Metabolism of Octamethylcyclotetrasiloxane in the Monkey with Attachments and Cover Letter Dated 05/21/1988.
CORP Author Dow Corning Corp., Midland, MI.; Environmental Protection Agency, Washington, DC. Office of Toxic Substances.
Year Published 1988
Report Number 86-880000257
Stock Number OTS0514147
Additional Subjects Toxicology ; Health effects ; Octamethylcyclotetrasiloxane (556-67-2) ; Pharmaco Kinetics ; Mammals ; Monkeys ; Oral ; Diet ; Toxic substances ; Laboratory animals ; CAS No 556-67-2
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NTIS  OTS0514147 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 03/10/2010
Collation 23p
Abstract The absorption, distribution, metabolism and elimination of octamethylcyclotetrasiloxane were investigated in 2 monkeys administeredsingle oral doses at a level of 50 mg/kg. The C14-labeled test article was distributed throughout the body and it was absorbed mainly from the gastrointestinal tract. Residual 14C tissue levels 240 hours after oral dosing in microgram/gm equiv. were the following; 3.6 in lymph node, 8.4in mesentery, 13.1 in fat and 5.3 in liver. The major portion of radioactivity excreted was found in the urine with total recoveries of C14 at 63% and 52% while fecal recoveries were 11% and 16% of C14. Threemetabolites were observed; dimethylsilanediol, tetramethyl-1,3-disiloxane diol and hexamethyl-1,5-trisiloxane diol. Themetabolism closely paralled that of 2,6-cis and 2,6-trans-diphenylhexame thylcyclotetrasiloxane.
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PUB Date Free Form 1988
Category Codes 57Y; 57U; 68G; 99; 44G
NTIS Prices PC A03/MF A03
Document Type NT
Cataloging Source NTIS/MT
Control Number 028801920
Origin NTIS
Type CAT