vitamin B2 VB2 Riboflavin (Riboflavin-5-Phosphate) BP2007/USP30; GMP certificate

Qingdao Twell Sansino Import & Export Co.,Ltd is one of the leading China riboflavin vb2 manufacturers and suppliers, and with productive factory, welcome to buy low price and high-quality vitamin b2, vb2 riboflavin, riboflavin-5-phosphate from us. BP2008/USP33/EP5 Particle size : 60 mesh                                  CAS No.: 83-88-5                 Molecular Formula: C17H20N4O6 1.Description: An orange yellow crystalline powder. Riboflavin is the essential necessity fororganism in normal living as the nutriment for infant, pregnant woman nursing mother, patient after illness and the aged. Ii is applicable to perleche, glossitis, ophthalmitis, conjunctivitis,ceborrhea, scrotum inflammations with proper effect.       2.Specifications: Analysis contents Analysis standard BP2008/USP33/EP5 Analysis results Appearance Orange yellow crystalline powder Meets Identification Positive Meets Acidity or Alkalinity check the color of the test solution after adding the respective solutions Meets Lumiflavin Absorbance of the filtrate at 440nm does not exceed 0.025 (USP);not more intense than BY6(EP/BP) 0.008 Meets Absorbance 0.31-0.33 A373nm/A267nm 0.36-0.39 A444nm/A267nm 0.32 0.38 Particla Size 100% passes through 60 mesh sieve Meets Specific Rotation between-115º and -135º (EP/BP/USP) -119º(USP) -128(BP/EP) Loss on Drying ≤1.5% 0.3% Heavy Metals <10ppm Meets Residue on Ignition ≤0.3% (USP) ≤0.1%(EP/BP) 0.1% Residual Solvents Method IV<467> (USP) Meets Assay(ondried basis) 98.0%-102.0% (USP) 97.0%-103.0% (EP/BP) 98.7%(USP) 99.4%(EP/BP) Conclusion : The above product complies with: BP2008+ USP33+ EP5. 3.Packing: 25kg per fibre drum , 1x20FCL=11MT without pallet. 4.Usage: It is widely used as food and feed additives. It is always used in wheat flour, dairy products, soy sauce, rice, bread, biscuits, chocolate, butter and other seasoning. Sometimes it can be used as a pigment. 5.Shelf life: 3 years under storage in a cool, dry, ventilated environment.