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AR226-2764 FOR DU FONT USE ONLY Copies to: E. I. du Font d Neaours and Coapany Haskell Laboratory for toxicology and Industrial Medicine Elkton Road, Navark, Delaware 19711 HASKELL LABORATORY REPORT NO. 295-81 Material Octanoic acid, T e s t e d B a a k e A l pentadecafluoro-, Ho^ 12,037 amaoniua aalt* Other Codes Study Initiated/Completed 5/20/80 - 6/17/80 Material Subaitted CB&D Deparoaent Haakell Laboratory ORAL LD50 TEST IN RATS Procedure.' The test aaterlal, |a oapension In corn oil, was adainistered by intragaatric intubation in single doaes to 6 groups of oale and 6 groups "^ feoale young adult Crl:CD raf, 10 per group. The surviving rats were ghed and obaerved during a 14-day recovery'period and then sacrificed. The LD50 value was calculated froa eha aortality data using the method of P. J. Finney.** ; Results: Males Dose (ag/kg) 1.000 670 Average Bod" Weight (g) 264 252 Suapensiaa (1) 10 10 Average Dose (aL) 2.64 1.69 Mortality Ratio 10/10 9/10 LD50*** 470 Bg/kg 500 253 10 1.27 6/10 450 241 400 257 10 1.09 4/10 5 2.05 3/10 200 247 1 4.93 2/10 - 1 Sanz.d.D.esn..c.n..>l,TSCACB> Company Results; Feaales Doe (mg/ka) 1.000 Average Body Weight (g) 189 Suspension (X) 10 Average Doae (aL) 1.89 Mortality Ratio 10/10 LD50*** 482 ag/kg 670 182 10 1.22 9/10 500 195 5 1.95 7/10 450 212 5 1.91 5/10 400 197 5 1.57 0/10 200 228 Clinical Signs; 1 4.56 0/10 Males; Stained and/or net perin^al area, weakness and weight loss at all levels tested. ChroRodacryorrhea at 1,000 and 500 ag/kg. Stained face at 1,000, 670, 500 and 450 ag/kg. Moribuadicy, eyes half-closed and gasping at 670 ag/kg. Huaped posture at 500 ag/kg. All deaths occurred within 4 days after dosing. Feaales; Stained and wet perineal area and weight loss at all levels tested. Stained face at all levels tested except 200 ag/kg. Weakness at 1,000, 670, 450, asd 400 ag/kg. Chroaodacryorrhea, eyes half^eloflfed and ataxia at 670 ag/kg. Hoped posture at 670 and 450 ag/kg. Alopecia at 400 ag/kg. All deaths occurred within 3 days after dosing. 2 - CoWpwySa,n. '^^.-^00-"^"'' ^aIn^CACSi Summary: Ammonlua perfluorooctanoate 1 moderately Coxic when adoiniatered orally to young adult Crl:CD male and feoala rats; its LD50 for oalec is 470 og/kg and females is 482 ag/kg of body weight. Clinical sign* for aale and lor. females included: acnined and wee perineal area, atained face, weakneaa, chrooodacryorrhea, and weight All deaeha occurred within 4 days after dosing. Contaminants: CAS Registry Ho Finney, D. J., Probit Analysis. 3rd Ed., 1971, Cambridge Daiveraity Preaa. 95Z Confidence Liaitg; Males Loner: ITpper: Sflope: 403 mg/kg 536 Bg/kg 8.6 Females Lower: Upper: Slope: 438 ag/kg 541 ag/kg 12.3 contain TSCAC31 ,t ft^sa^.'065"01 Report by: 8e7lmd by: Study Director JAH:jrg .Date Issued; JuneJL. 1981 'Keport No. 295-81 Grald L. Chief, Acute InveattiigRaatti'loonlua Section - 4 ,p,olcontainTSCACBl C^^Sana^006'