NN'-Bis(4-methoxy-2-methylphenyl)-NN'-diphenylbenzidine Good's Buffers Test Specification Min Max APPEARANCE

Test Specification Min Max APPEARANCE OFF-WHITE POWDER OFF-WHITE POWDER ASSAY 98% 98% EXPIRATION DATE

00% MELTING POINT 165 - 168 C 165 - 168 C RETEST DATE

Test Specification Min Max SENSITIVITY TO CHLORINE TO PASS TEST (0

00% ELEMENTAL IMPURITIES AS REPORTED AS REPORTED ORGANIC IMPURITIES TO PASS TEST TO PASS TEST IDENTIFICATION TO PASS TEST TO PASS TEST EXPIRATION DATE MANUFACTURE DATE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST TO PASS TEST

Test Specification Min Max RESIDUE AFTER EVAPORATION 1 mg/L ULTRAVIOLET ABSORBANCE TEST TO PASS TEST TO PASS TEST REFRACTIVE INDEX @ 20�C 1

NN'-Bis(4-methoxy-2-methylphenyl)-NN'-diphenylbenzidine Good's Buffers Test Specification Min Max APPEARANCE