Tris(22-bipyridyl)ruthenium(II) Chloride Hexahydrate size:1 GM 5 RESIDUE ON IGNITION 35

5 RESIDUE ON IGNITION 35 - 50 % 35 - 50 % SPECIFIC ROTATION [a][@D@] +75 to +105 +75 to +105 SULFUR 15 - 21 % 15 - 21 % FREE SULFATE NOT DETECTABLE NOT DETECTABLE LOSS ON DRYING 10%

Test Specification Min Max INFRARED SPECTRUM TO PASS TEST TO PASS TEST ABSORBANCE MAX

HEAVY METALS 0

ACIDITY TO PASS TEST TO PASS TEST ALKALINITY TO PASS TEST TO PASS TEST READILY CARBONIZABLE SUBSTANCES TO PASS TEST TO PASS TEST POLYCYCLIC AROMATIC HYDROCARBONS TO PASS TEST TO PASS TEST SULFUR COMPOUNDS TO PASS TEST TO PASS TEST ELEMENTAL IMPURITIES AS REPORTED AS REPORTED IDENTIFICATION TO PASS TEST TO PASS TEST EXPIRATION DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST TO PASS TEST

Test Specification Min Max ASSAY 97% 97% MELTING POINT 51 - 57 C 51 - 57 C

Tris(22-bipyridyl)ruthenium(II) Chloride Hexahydrate size:1 GM 5 RESIDUE ON IGNITION 35