Test Specification Min Max APPEARANCE WHITE SOLID WHITE SOLID ASSAY 98% 98%

Test Specification Min Max APPEARANCE

Test Specification Min Max ASSAY 99% REFRACTIVE INDEX @ 20[dC 1.3765-1.3815 1.3765-1.3815 EXPIRATION DATE

Test Specification Min Max ABSORPTION MAX. (IN WATER) 598 nm 598 nm

Test Specification Min Max APPEARANCE OFF-WHITE POWDER OFF-WHITE POWDER ASSAY 98% 98% EXPIRATION DATE

Test Specification Min Max APPEARANCE

Test Specification Min Max ASSAY APPROX. 98 % APPROX. 98 % EXPIRATION DATE

Test Specification Min Max APPEARANCE

Test Specification Min Max WATER 24 32% pH (10%) 7 8.5

Test Specification Min Max ASSAY 97% EXPIRATION DATE

Test Specification Min Max APPEARANCE

Test Specification Min Max APPEARANCE

Test Specification Min Max APPEARANCE YELLOWISH SOLID YELLOWISH SOLID ASSAY 98% 98%

Test Specification Min Max ASSAY APPROX. 99 % APPROX. 99 %

Test Specification Min Max APPEARANCE

Test Specification Min Max ASSAY APPROX. 98 % APPROX. 98 %

Test Specification Min Max ASSAY (by GC) APPROX. 98 % APPROX. 98 %

Test Specification Min Max ASSAY 99% MELTING POINT 235.0� 245

Test Specification Min Max ASSAY 95% 95%

Test Specification Min Max ASSAY 97%

Test Specification Min Max APPEARANCE SLIGHTLY YELLOWI SLIGHTLY YELLOWI ASSAY 97% 97%

Test Specification Min Max APPEARANCE

Test Specification Min Max ASSAY 99% 99%

Test Specification Min Max ASSAY APPROX. 86.7 % APPROX. 86.7 %

Test Specification Min Max PURITY (HPLC) 98% PURITY (Nonaqueous Titration) 98% SPECIFIC ROTATION, [(@a@)]D[@20@ ] (C=0.5, 2mol/L HCl) +15.0 to +20.0 +15.0 to +20.0

Test Specification Min Max ASSAY 98.50% 98.50% SPECIFIC ROTATION [a][@D@] -13.5 to -16.0 -13.5 to -16.0 CHLORIDE (Cl) 0.03% SULFATE 0.03% AMMONIUM (NH[@4@]) 0.02% IRON (Fe) 10 ppm HEAVY METALS...

Test Specification Min Max PURITY (GC) 90.00% 90.00% MELTING POINT 104 111.0�

Test Specification Min Max ABSORPTION MAX 524 nm 524 nm

Test Specification Min Max ASSAY 98.00% LOSS ON DRYING 13.0 - 17.0 % 13.0 - 17.0 %

Test Specification Min Max APPEARANCE

Test Specification Min Max ASSAY 95% RETEST DATE

Test Specification Min Max APPEARANCE

Test Specification Min Max ASSAY 98% EXPIRATION DATE

Test Specification Min Max ASSAY 98.5 - 101.5 % 98.5 - 101.5 % HEAVY METALS 20 ppm ARSENIC (As) 1.5 ppm LEAD (Pb) 10 ppm LOSS ON DRYING 0.30% RESIDUE...

Test Specification Min Max ASSAY (DRIED BASIS) 98% 98% WATER APPROX. 12 % APPROX. 12 %

Test Specification Min Max ASSAY 98% EXPIRATION DATE