PRODUCT ILLUSTRATION:Vitamin B2 exists in all human tissue, which makes it very important to resist neuritis. So, it is much necessary that the source of obtaining it is through food additive. However, Vitamin B2 becomes unstable when exposed to light, oxygen, heat and metal ions. This unsuitability......
| Product | Vitamin B2 | |
| Assay (On dry basis) | 98.0%-102.0% (USP) 97.0%-103.0% (BP) 98.2% | |
| Description | Orange Yellow Crystalline Powder | |
| Identification | Positive | |
| Acidity of Alkalinity | Check the color of the test solution after adding the respective solutions | |
| Lumiflavin | Absorbance of the filtrate at 440nm does not exceed 0.025 (USP); not more intense than BP 0.008 | |
| Absorbance | 0.31-0.33 A373nm/A267nm 0.36-0.39 A444nm/A267nm | |
| Particle Size | 100% passes through 60 mesh sieve | |
| Specific Rotation | Between -115 and -135 (BP/USP) -125 | |
| Loss on Drying | 0.5% | |
| Heavy Metals | <10ppm | |
| Residue on Ignition | <0.3% (USP) <0.1% (BP) 0.1% | |
| Organic Volatile Impurities | Method IV |

China Factory Price Tartrazine CAS 1934 -21-0
Feed Grade Carophyll Yellow Powder CAS 1934 -21-0 Carophyll Yellow
Feed Grade Proteins Carophyll Yellow Powder Carophyll Yellow
Feed Grade Corn Gluten Meal for Animal
Multifunctional Granular Anhydrous Calcium Phosphat DCP for Feed
Feed Additives Choline Chloride 60% Havay Price