Complaint
1. Characteristics of Vitamin B2
Other names: Riboflavin
E number: E101
Formula: C17H20N4O6
Weight: 376.37g/mol
MOQ:100KG
Package: 25KG/drum;
Certificate: ISO/Kosher/Halal
Specification: EP/BP/FCC/ USP
Appearance: Yellow or orange powder
Grade: Pharmaceutical/Food/Feed grade
Type: 98%, 80%
2. Vitamin b2 specification
Across Biotech supplies pharmaceutical grade, food grade, and feed grade riboflavin, which meets standards of EP/BP/USP/FCC.
2.1 Riboflavin 98% USP specification
| Item | USP |
| Appearance | Yellow or orange-yellow crystalline
powder |
| Identification | Positive |
| Acidity or 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) |
| Absorbance
| 0.31-0.33 A373nm/A267nm
0.36-0.39 A444nm/A267nm |
| Particle Size | 100% passes through 60 mesh sieve |
| Specific Rotation | between-115º and -135º |
| Loss on Drying | ≤1.5% |
| Heavy Metals | <10ppm |
| Residue on Ignition | ≤0.3% (USP) |
| Organic Volatile Impurities | Method IV <467> |
| Assay(on dried basis) | 98.0%-102.0% |
2.2 Riboflavin 80% feed grade specification
Across Biotech supply feed grade riboflavin 80%, which is used in poultry and livestock industries. Check the specification below:
| Item | Specification |
| Colour | Yellow or orange-yellow crystalline
powder |
| Odour | Weak to none |
| Particle structure | Fine spray-dried granules |
| Identification | Positive |
| Particle size | 60 US mesh (min. 90% passed) |
| Residue on Ignition | Max 5.0% |
| Loss on drying | Max 3.0% |
| Assay | Min 80% (by HPLC method) |
1. We understand the industry, the competitive landscape of the product, the current state of production, and the characteristics of the product.
2. We not only provide products but also provide the latest industry information and product dynamics, saving you manpower and production costs.
3. We set up the warehouse near the logistics center to ensure that the products respond quickly and are sent out first.
4. Selection of shipping methods according to customer requirements. Documents, and files, were perfected in time and sent to the customer.
