Test Specification Min Max ASSAY 90% 90%

Test Specification Min Max SENSITIVITY TO SULFANILAMIDE TO PASS TEST TO PASS TEST SOLUBILITY TO PASS TEST TO PASS TEST WATER 5%

Test Specification Min Max APPEARANCE

Test Specification Min Max ASSAY 99% pH OF A 10% SOLUTION 03-May 03-May UV ABSORBANCE (@ 250 nm, 1M) 0.1 LOSS ON DRYING @ 110[dC 1.00% RETEST DATE

Test Specification Min Max ABSORPTION MAX 614 (425) nm 614 (425) nm VISUAL TRANSITION INTERVALS pH 0.0 (yellow) pH 0.0 (yellow)

Test Specification Min Max ASSAY (ANHYDROUS BASIS) 97.0 - 102.0 % 97.0 - 102.0 % WATER 5.00% RESIDUE ON IGNITION 0.10% ORGANIC IMPURITIES TO PASS TEST TO PASS TEST ELEMENTAL...

Test Specification Min Max NO SPECIFICATIONS

Test Specification Min Max CLARITY OF SOLUTION TO PASS TEST TO PASS TEST VISUAL TRANSITION INTERVALS pH 3.2 (pink) to pH 3.2 (pink) to

Test Specification Min Max ABSORPTION MAX 668 (609) nm 668 (609) nm

Test Specification Min Max ABSORPTION MAX APPROX. 661 nm APPROX. 661 nm

Test Specification Min Max ASSAY (C[@6@]H[@12@]N[@4@]) 95% 95%

Test Specification Min Max pKa @ 20?? 5.9 6.3 pH of 0.5 M Solution in Water @ 25?? 2.5 4 RETEST DATE

Test Specification Min Max ASSAY (GC) 95.00%

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

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

Test Specification Min Max APPEARANCE

Test Specification Min Max ASSAY 98.00% 98.00% ACID VALUE 2

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

Test Specification Min Max ASSAY 99% 99%

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

Test Specification Min Max APPEARANCE

Test Specification Min Max ASSAY 69.5 - 70.5 % 69.5 - 70.5 % CHLORIDE (Cl) 0.10% SULFURIC ACID 0.10%

Test Specification Min Max ASSAY 98% 98%

Test Specification Min Max ASSAY 98% WATER 12% IDENTIFICATION TO PASS TEST TO PASS TEST EXPIRATION DATE

Test Specification Min Max ASSAY 98.50%

Test Specification Min Max ASSAY 99.00% MELTING POINT 126 C ASH 0.04%

Test Specification Min Max ASSAY APPROX. 97 % APPROX. 97 %

Test Specification Min Max APPEARANCE

Test Specification Min Max ASSAY 98%

Test Specification Min Max ASSAY 98%

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

Test Specification Min Max ASSAY (by HPLC) 98% MELTING RANGE 198 - 202 C 198 - 202 C LOSS ON DRYING 1.00%