Test Specification Min Max ASSAY 98.50% 98.50% MELTING POINT 38.5� -43.0�C 38.5� -43.0�C APPEARANCE TO PASS TEST TO PASS TEST o-CHLORONITROBENZENE 3.00%

Test Specification Min Max PURITY (Nonaqueous Titration) 97.00% WATER 5.00%

Test Specification Min Max PURITY (GC) 98.00% REFRACTIVE INDEX @ 20�C 1.4820 - 1.4860 1.4820 - 1.4860

Test Specification Min Max APPEARANCE Yellow liquid Yellow liquid REFRACTIVE INDEX 1.378 1.478 EXPIRATION DATE DATE OF MANUFACTURE

Test Specification Min Max ASSAY APPROX. 95 % APPROX. 95 % EXPIRATION DATE

Test Specification Min Max ASSAY 0.05N +/- 0.005N 0.05N +/- 0.005N APPEARANCE STANDARDIZED AGAINST NIST EXPIRATION DATE MANUFACTURE DATE

Test Specification Min Max ASSAY APPROX. 99.0 % APPROX. 99.0 % EXPIRATION DATE

Test Specification Min Max APPEARANCE

Test Specification Min Max PURITY (Neutralization titration) 98.00% MELTING POINT 113.0 - 117.0�C 113.0 - 117.0�C

Test Specification Min Max ASSAY 97% 97% EXPIRATION DATE

Test Specification Min Max PURITY (GC) 98.00% MELTING POINT 96.0 - 100.0 C 96.0 - 100.0 C

Test Specification Min Max APPEARANCE Viscous, off-whi Viscous, off-whi ODOR Unscented Unscented SPECIFIC GRAVITY 0.90 - 1.10 0.90 - 1.10 VISCOSITY 50,000 150,00 EXPIRATION DATE

Test Specification Min Max ASSAY (DRIED BASIS) 97% ARSENIC TRIOXIDE (As[@2@]O[@3@]) 0.05% CHLORIDE (Cl) 0.00% HEAVY METALS (as Pb) 0.05% INSOLUBLE MATTER IN NH[@4@]OH 0.05% IRON (Fe) 0.10%

Test Specification Min Max ASSAY (ANHYDROUS BASIS) 95 105.00% WATER DETERMINATION 0.50% RESIDUE ON IGNITION 0.50% FOREIGN PROSTAGLANDINS, TEST 1 TO PASS TEST TO PASS TEST FOREIGN PROSTAGLANDINS, TEST 2...

Test Specification Min Max ASSAY (ANHYDROUS BASIS) 97 102.00% ORGANIC IMPURITIES: ACETIC ACID 0.10% GLYCEROL 0.10% 1-MONOACETIN 0.10% 2-MONOACETIN 0.10% 1,3-DIACETIN 0.10% 1,2-DIACETIN 0.10% INDIVIDUAL UNSPECIFIED IMPURITY 0.10% TOTAL IMPURITIES...

Test Specification Min Max ASSAY 98 102.00% MELTING RANGE 41 44�C SPECIFIC ROTATION [a][@D@]25 -45� to -51� -45� to -51� NONVOLATILE RESIDUE 0.05% RELATED COMPOUNDS TO PASS TEST ELEMENTAL IMPURITIES...

Test Specification Min Max ASSAY 99.00% pH OF A 5% SOLUTION @ 25[dC 6.0 - 7.0 6.0 - 7.0 CHLORIDE (Cl) 25.0 ppm INSOLUBLE MATTER 0.01% IRON (Fe) 10.0 ppm...

Test Specification Min Max ASSAY 0.1N +/-0.002N 0.1N +/-0.002N TRACEABLE TO NIST EXPIRATION DATE

Test Specification Min Max ASSAY 10% +/-0.5%(w/w) 10% +/-0.5%(w/w) TRACEABLE TO NIST APPEARANCE EXPIRATION DATE DATE OF MANUFACTURE

Test Specification Min Max VISUAL TRANSITION INTERVALS pH 4.8 (purple) pH 4.8 (purple) EXPIRATION DATE

Test Specification Min Max ASSAY 10%+/- 0.2%(w/w 10%+/- 0.2%(w/w TRACEABLE TO NIST APPEARANCE EXPIRATION DATE DATE OF MANUFACTURE

Test Specification Min Max ASSAY 1 % +/-0.05 % 1 % +/-0.05 % TRACEABLE TO NIST EXPIRATION DATE

Test Specification Min Max ASSAY 6N +/- 0.06N 6N +/- 0.06N TRACEABLE TO NIST EXPIRATION DATE

Test Specification Min Max ASSAY 0.85 % +/-0.005 0.85 % +/-0.005 APPEARANCE TRACEABLE TO NIST EXPIRATION DATE MANUFACTURE DATE

Test Specification Min Max ASSAY (Zn) 99.80% SUITABILITY FOR DETERMINATION OF ARSENIC (As) TO PASS TEST TO PASS TEST IRON (Fe) 0.01% LEAD (Pb) 0.01%

Test Specification Min Max APPEARANCE

Test Specification Min Max ASSAY (ANHYDROUS BASIS) 98.5 101.00% WATER DETERMINATION 0.50% RESIDUE ON IGNITION 0.50% ELEMENTAL IMPURITIES AS REPORTED REDUCING SUGARS 0.20% OTHER POLYOLS 2.00% IDENTIFICATION TO PASS TEST...

Test Specification Min Max ASSAY 99.0 - 100.5 % 99.0 - 100.5 % MELTING POINT 132 - 135 C 132 - 135 C INSOLUBLE MATTER 0.01% RESIDUE AFTER IGNITION 0.01%...

Test Specification Min Max ASSAY 99.90% 99.90%