Test Specification Min Max pKa @ 20 C APPROS. 8 APPROS. 8 pH RANGE 7.6 - 8.6 7.6 - 8.6 ASSAY (by titratration in 0.1N NaOH) 98%

Test Specification Min Max APPEARANCE

Test Specification Min Max APPEARANCE

Test Specification Min Max ASSAY 99% 99%

Test Specification Min Max ASSAY (DRIED BASIS) 98 102.00% pH (1 in 50) 3.5 4.2 LOSS ON DRYING 0.50% RESIDUE ON IGNITION 0.10% ELEMENTAL IMPURITIES AS REPORTED HYDRAZINE 0.00% ORGANIC...

Test Specification Min Max MELTING POINT 185 - 195 C 185 - 195 C

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

Test Specification Min Max APPEARANCE CLEAR LIQUID CLEAR LIQUID ASSAY (ACID) 97.50% REFRACTIVE INDEX @20??, 589 nm 1.421 1.425

Test Specification Min Max ASSAY 80% 80%

Test Specification Min Max ASSAY 250 - 330 units/ 250 - 330 units/ RETEST DATE

Test Specification Min Max APPEARANCE

Test Specification Min Max ASSAY (DRIED BASIS) 98.5 101.50% SPECIFIC ROTATION [a][@D@] +8.5??to+10.5??/td> +8.5??to+10.5??/td> LOSS ON DRYING 0.30% RESIDUE ON IGNITION 0.10% LEAD (Pb) 5 mg/kg IDENTIFICATION TO PASS TEST...

Test Specification Min Max ASSAY (DRIED BASIS) 98.5 - 101.5 % 98.5 - 101.5 % OPTICAL ROTATION +11.5 to+13.5 +11.5 to+13.5 LEAD (Pb) 5 mg/k LOSS ON DRYING 0.20% RESIDUE...

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

Test Specification Min Max MELTING POINT 132 - 134 C 132 - 134 C

Test Specification Min Max APPEARANCE OF 2% (W/V) SOLUTION CLEAR COLORLESS CLEAR COLORLESS ASSAY 99.00% MELTING POINT 165 - 168 C 165 - 168 C RETEST DATE

Test Specification Min Max APPEARANCE White or almost White or almost ASSAY (DRIED SUBSTANCE) 99.0 - 101.0 % 99.0 - 101.0 % RELATED SUBSTANCES TO PASS TEST TO PASS TEST...

Test Specification Min Max ASSAY 98% 98%

Test Specification Min Max ASSAY 99% 99%

Test Specification Min Max APPEARANCE WHITE SOLID WHITE SOLID

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

Test Specification Min Max ASSAY 98 101.00% SPECIFIC ROTATION @ 20 C -17.5 to -15.5??/td> -17.5 to -15.5??/td> LOSS ON DRYING 0.50% RESIDUE AFTER IGNITION 0.10% TOTAL IMPURITY 2.00% INDIVIDUAL...

Test Specification Min Max ASSAY (C[@5@]H[@10@]N[@2@]O[@3@]) 98.5 - 101.5 % 98.5 - 101.5 % SPECIFIC ROTATION [a][@D@] +6.3 to +7.3 +6.3 to +7.3 ARSENIC (As) 0.00015 HEAVY METALS 0.001 LOSS...

Test Specification Min Max ASSAY (DRIED BASIS) 98.5 - 101.5 % 98.5 - 101.5 % SPECIFIC ROTATION, [a][@D@]20(C = 10; 17% HCl) +24.5 TO +25.5 +24.5 TO +25.5 ARSENIC (as...

Test Specification Min Max ASSAY 98.5 - 101.5 % 98.5 - 101.5 % SPECIFIC ROTATION [a][@D@] +31.5 to+32.2 +31.5 to+32.2 LOSS ON DRYING 0.20% CHLORIDE (Cl) 0.20% LEAD (Pb) 10...

Test Specification Min Max ASSAY 90%

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

Test Specification Min Max ASSAY APPROX. 80 % APPROX. 80 %

Test Specification Min Max APPEARANCE

Test Specification Min Max APPEARANCE

Test Specification Min Max APPEARANCE

Test Specification Min Max APPEARANCE

Test Specification Min Max ASSAY 96.00% ARSENIC 10 ppm LEAD 0.00% ETHANOL-INSOLUBLE MATTER TO PASS TEST TO PASS TEST SULFATED ASH 3.00%

Test Specification Min Max ASSAY 98% RETEST DATE

Test Specification Min Max ASSAY (DRIED BASIS) 98 102.00% COLOR OF SOLUTION TO PASS TEST ACIDITY TO PASS TEST LOSS ON DRYING 0.50% RESIDUE AFTER IGNITION 0.50% CHLORIDE (Cl) 0.02%...

Test Specification Min Max beta-ISOMER CONTENT APPROX. 98 % APPROX. 98 %