Ethyl 3-Methylcrotonate Silanols 50% as ASCORBIC ACID +

50% as ASCORBIC ACID + NIACINAMIDE 99

%: C26 AS REPORTED AS REPORTED C28 AS REPORTED AS REPORTED C30 AS REPORTED AS REPORTED C32 AS REPORTED AS REPORTED C34 AS REPORTED AS REPORTED C36 AS REPORTED AS REPORTED MELTING RANGE 43

Test Specification Min Max ASSAY 94% SPECIFIC GRAVITY @ 25[dC 1

00% ELEMENTAL IMPURITIES: LEAD (Pb) AS REPORTED AS REPORTED NICKEL (Ni) AS REPORTED AS REPORTED COPPER (Cu) AS REPORTED AS REPORTED CHROMIUM (Cr) AS REPORTED AS REPORTED IDENTIFICATION TO PASS TEST RETEST DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST

8 % SPECIFIC ROTATION

Ethyl 3-Methylcrotonate Silanols 50% as ASCORBIC ACID +