... , but hardly solve in acctone. D-Biotin is white to off-white powder, good fluidity, hygroscopic.2.Storage: Store in dry ... , 2011Date: Dec. 15, 2011Analytic standard: BP2011 ContentsAnalytic resultsStandarsAppearanceWhite powderWhite or off-white powderIdentificationMeetTo match with the reference IR spectrumAppearance of solutionMeetClear ... BP2011 High Purity D-BIOTIN(VITAMIN H),d-biotin food grade