Test Specification Min Max APPEARANCE

Test Specification Min Max ASSAY (C[@11@]H[@12@]N[@2@]O[@2@]) 98.0-101.0 % 98.0-101.0 % TRANSMITTANCE 95.00% 95.00% LOSS ON DRYING @ 105 C 0.20% AMMONIUM (NH[@4@]) 0.02% ARSENIC (As) 0.00% CHLORIDE (Cl) 0.02% HEAVY...

Test Specification Min Max ABSORPTION MAX 387 nm 387 nm VISUAL TRANSITION INTERVALS pH 11.0 (yellow) pH 11.0 (yellow) RETEST DATE

Test Specification Min Max ASSAY 69 - 71% 69 - 71% pH OF A 1% SOLN (10:6 IPA/WATER) 7.0 - 9.0 7.0 - 9.0 COLOR (APHA) 250

Test Specification Min Max APPEARANCE COLORLESS TO FAI COLORLESS TO FAI

Test Specification Min Max ASSAY 99% 99%

Test Specification Min Max ASSAY 95.00% COLOR (Pt-Co) 50 WATER 0.50%

Test Specification Min Max ASSAY 98.50% 98.50%

Test Specification Min Max ASSAY (C[@2@]HCl[@3@]O[@2@]) 95.0 - 100.5 % 95.0 - 100.5 % RESIDUE ON IGNITION 0.05% CHLORIDE (Cl) 0.04% SULFATES (SO[@4@]) 0.08%

Test Specification Min Max ASSAY 98.00% 98.00% MELTING RANGE 145� 150�C EXPIRATION DATE DATE OF MANUFACTURE APPEARANCE

Test Specification Min Max ASSAY (C[@3@]H[@7@]NO[@2@]) 99% 99% MELTING RANGE 45 - 50 C 45 - 50 C

Test Specification Min Max ASSAY (by GC) 9%

Test Specification Min Max ABSORPTION MAX. (IN WATER) Approx. 425 nm Approx. 425 nm

Test Specification Min Max APPEARANCE Clear reddish or Clear reddish or REFRACTIVE INDEX @ 25[dC 1.38 1.48 MANUFACTURE DATE EXPIRATION DATE

Test Specification Min Max APPEARANCE Opaque, waxy of- Opaque, waxy of- ODOR UNSCENTED UNSCENTED SPECIFIC GRAVITY 1.05 1.25 EXPIRATION DATE