Document KRq2YvgEzMkokqaakJpw0eNZ2

RECEIVED To Or. W. E. Ackart 1.0CATION Uni. on Carbide Plastics 5rind Sro. ti, l\e* Jersey ArrnmoM Copy To Dr. C. U. Derr.eui New Ycrk Dr. A. V. r-ovnes Rev York Dr. R. BB . Han?eiman Bound P"ook Mr. A. ??,. Maszu'cnei.i Bound Br-uOk. Mr. K-. UU . Reinkinp Bound Brock Mr. a. T. Scribn New York Mr. R. 1. Wechsler Bound Brook June 29, 1964 AN8WRH1NU LKTTUK DaTK SlMKlt Tin Stabilized Rigid Vinyl Bailee for Frods. Brig;.. and r`S'r.ttt.ico Tliis answers, the question to me in you- Ju-.e jl5 letter ~,r. the -rove subject to Mr. Wechsler. Our pertinent experimental data refer t o .ii(2-etnylnexyi 1 tin arnica*. dibutyl tin laurate, and dicctyi tin dlchloride. I cor.siaer tnum adequate basis for an opinion. I believe that 0.1% (iOOC ppm; of dioctvl tin laurate :r terin^ a sharp.-rfrom the container would cause no ''severe" eye injury vetn *he sht-rp^. acciar.-ntly entered tne eye. I believe G.Cj% (100 ppm; ww-iii have n effect on tne eyes nor any uignifleant skin per etrati on. If these opinions cramp your development efforts, it is possib'. e tnat animal tests on shampoos tc which tne tin c ynpound is added wou'1 i yield higher i'igureo. The eye injury teste would be reasonably cheap (about ;er concentration) and quicK. HFS:MJ UCC 063584