NN-Dimethylformamide Anhydrous Tropone & Tropolones 10% RELATED SUBSTANCES TO PASS

10% RELATED SUBSTANCES TO PASS TEST ELEMENTAL IMPURITIES AS REPORTED IDENTIFICATION A TO PASS TEST IDENTIFICATION B TO PASS TEST RETEST DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST

Test Specification Min Max BARIUM 995 - 1005 ppm 995 - 1005 ppm STANDARDIZED AGAINST NIST 3104 3104 EXPIRATION DATE

01% RETEST DATE

50% RESIDUE AFTER EVAPORATION 0

Test Specification Min Max THORIUM 995 - 1005 ppm 995 - 1005 ppm STANDARDIZED AGAINST NIST 3159 3159 EXPIRATION DATE

NN-Dimethylformamide Anhydrous Tropone & Tropolones 10% RELATED SUBSTANCES TO PASSTest Specification Min Max ASSAY APPROX. 99. 8 % APPROX. 99. 8 % WATER 0. 01% RESIDUE AFTER EVAPORATION 0. 00%