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RECORD NUMBER: 160 OF 256

Main Title Pilot Teratology Study in Rats with Acetonitrile with Cover Letter dated 04/25/1986.
CORP Author International Research and Development Corp., Mattawan, MI.; Monsanto Chemical Co., Dayton, OH.; Environmental Protection Agency, Washington, DC. Office of Toxic Substances.
Year Published 1986
Report Number 878216406
Stock Number OTS0510334
Additional Subjects Toxicology ; Health effects ; Acetonitrile (75-05-8) ; Reproduction/fertility Effects ; Teratogenicity ; Mammals ; Rats ; Oral ; Gavage ; Toxic substances ; Laboratory animals ; CAS No 75-05-8
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NTIS  OTS0510334 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 42p
Abstract In a pilot teratology study to establish dosage levels, pregnant Charles River CD rats (5/group) were orally exposed to acetonitrile by gavage at dosage levels of 0, 200, 375, 750, 1500 and 3000 mg/kg/day on gestation days (GD) 6-19 at a constant volume in distilled water vehicle. Toxicity was evidenced by severe loss in maternal body weight and dry red matter on the face and yellow-brown stained anogenital haircoats prior to death in all but the lowest-dose and control groups. An increase in the mean number of early resorptions was observed in the 375 mg/kg group. Marked mortality included 3 rats dying by GD 20 in the 375 mg/kg group. All rats died in the higher dose levels. By GD 18 in the 750 mg/kg/day group, by GD 18 in the 1500 mg/kg/day groups, and by GD 10 in the 3000 mg/kg/day group.
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PUB Date Free Form 1986
Category Codes 57Y; 57U; 68G; 99; 44G
NTIS Prices PC A04/MF A04
Document Type NT
Cataloging Source NTIS/MT
Control Number 028801510
Origin NTIS
Type CAT