Vitamin B12
Vitamin B12 (Cyanocobalamin) BP98/USP2Product Name:Vitamin B12 (Cyanocobalamin) BP98/USP24Packing:25kgs/bagCAS NO:58-56-0Molecular Formula:C8H11NO3HCLMolecular Structure:Physico-chemical properties:White PowderPicture:Vitamin B12 Food GradePARAMETERSPECIFICATIONAppearanceLight red homogencous powderIdentificationPositiveLoss on dryingMax.0.5%Assay of vitamin B12(on dry sub)0.9-1.3% (HPLC Method)CarrierMannitolSizeMax 250umVitamin B12 Feed GradePARAMETERSPECIFICATIONAppearanceLight red homogencous powderIdentificationPositiveLoss on dryingMax.12%Assay of vitamin B12(on dry sub)0.9-1.3% (HPLC Method)CarrierStarchSizeMax 250umVitamin B12 (Cyanocobalamin)PARAMETERSPECIFICATION (USP32)Appearancedark-red,crystalline powder, Or crystals,hygroscopicIdentificationPositiveLoss on dryingMax.12%Ratio AbsorbancesA361nm/A278nm:1.70-1.90A361nm/A550nm:3.15-3.40Pseudo CyanocobalaminCompliesAssay on dried96.0%-100.5%MicrobiologyBacteria≤1000cfu/gMould & yeasts≤100cfu/gE ColiNegativeLimit of residualAcetone≤0.5%Vitamin B12 (Mecobalamin)PARAMETERSPECIFICATION (Standard of JP X IV)AppearanceDark red crystals crystalline powderIdentificationUV: Compare the spectrum with the reference spectrumChemical: PostiveSolution purityClear and red colorAssay (on anhydrous basis)Min. 98.0%Related substances (HPLC)The largest area of the peaks: ≤0.5%Tatal content: ≤2.0MoistureMax.12.0%Acetone,By GC≤5000ppm
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