4-Isothiocyanato-2266-tetramethylpiperidine 1-Oxyl Free Radical size:1 GM 5% APPEARANCE OF SOLUTION TO

5% APPEARANCE OF SOLUTION TO PASS TEST TO PASS TEST RELATED SUBSTANCES TO PASS TEST TO PASS TEST HEAVY METALS 10 ppm LOSS ON DRYING 0

water) TO PASS TEST TO PASS TEST @ 195 nm 1 @ 210 nm 0

10% ORGANIC IMPURITIES TO PASS TEST ELEMENTAL IMPURITIES AS REPORTED IDENTIFICATION (A) WHITE PRECIPI WHITE PRECIPI IDENTIFICATION (B) SPECTRUM SPECTRUM IDENTIFICATION (C) RETENTION TIME RETENTION TIME CERTIFIED HALAL RETEST DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS AS REPORTED

880 +/-53 �S EXPIRATION DATE DATE OF MANUFACTURE

Test Specification Min Max PURITY 95% 95%

4-Isothiocyanato-2266-tetramethylpiperidine 1-Oxyl Free Radical size:1 GM 5% APPEARANCE OF SOLUTION TO