Phloxine B size:10 GM Test Specification Min Max ASSAY

Test Specification Min Max ASSAY (HPO[@3@]) 33

Test Specification Min Max OSMIUM 995 - 1005 ppm 995 - 1005 ppm EXPIRATION DATE

Test Specification Min Max ASSAY (GC) APPROX

Test Specification Min Max ASSAY (C[@16@]H[@16@]CIN[@3@]O[@3@]S

00% FREE PHOSPHATE (AS PO[@4@]) 1% FREE RIBOFLAVIN & RIBOFLAVIN DIPHOSPHATE TO PASS TEST LUMIFLAVIN TO PASS TEST ELEMENTAL IMPURITIES AS REPORTED AS REPORTED IDENTIFICATION A TO PASS TEST IDENTIFICATION B TO PASS TEST EXPIRATION DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST CLASS 2 (solvent) / CYCLOHEXANE 3880 ppm CLASS 2 (solvent) / PYRIDINE 200 ppm CLASS 3 (solvent) / ETHANOL 5000 ppm OTHER RESIDUAL SOLVENTS: ISOPROPYL ETHER - 500 ppm

Phloxine B size:10 GM Test Specification Min Max ASSAYTest Specification Min Max ABSORPTION MAX 548 (510)nm 548 (510)nm VISUAL TRANSITION INTERVALS pH 2. 1 (clrls.) pH 2. 1 (clrls.)