Piperidine ReagentPlus(R) 99 Percent (DEA List I Chemical) Sigma Aldrich

Test Specification Min Max ASSAY 5.0%w/v +/- 0.5% 5.0%w/v +/- 0.5% APPEARANCE TRACEABLE TO NIST EXPIRATION DATE MANUFACTURE DATE

Test Specification Min Max ASSAY (H[@3@]PO[@2@]) 50.0 - 52.0 % 50.0 - 52.0 %

Test Specification Min Max EXPIRATION DATE

Test Specification Min Max ASSAY 0.05N +/- 0.001 0.05N +/- 0.001 TRACEABLE TO NIST EXPIRATION DATE