... GMO 1000IU-1300IU d-alpha tocopherol is a light yellow to brownish red, clear, viscous oil. ... It has a mild, characteristic odour and taste, and its ... ItemstandardappearanceBrownish red oilAcidity≤1.0mlPotency,IU/g1000IU1100IU1200IU1300IU d-a-tocopherol , min67.1%73.82%80.54%87 ... metals (as Pb)≤10ppmSpecific rotation, [a]d25,degrees≥+24 vitamin e (d-alpha-tocopherol)