COMPANY: HANGZHOU STARSHINE PHARMACEUTICAL CO., LTDPRODUCT NAME: DRY VITAMIN E ACETATE POWDER 50% CWS Other Name: dl-alpha tocopheryl acetate powder 50% CWS Vitamin E powder 50% CWS Molecular Formula: C31H52O3 CAS Number: 7695-91-2 Specification: USP/BP/EP/FEED Expiry Time: 2 Years Packing: 25kg/Fibre Drums Storage: Store in dry places and keep away from strong direct light and heat.ITEM SPECIFICATIONSRESULTSAssay50% min53.0%AppearanceWhite or off white free flowing powderConformIdentificationPositiveConformDispersibility in waterDispersibleConformLoss on drying≤3.0%1.6%Grunularity100% through #40 sieveMin 90% through #60 sieveMin 45% through #100 sieve 100%99.0%70.0%Heavy metal≤10ppm10ppmArsenic≤3ppm1ppmMicrobiological spec.Total plate count1000Cfu/gConformMold and yeast100 Cfu/gConformE .coliNegative(in 10g)No detectedSalmonellaNegative(in 25g)No detectedConclusion: Conforms to the standard of USP/BP/EP.