Detailed Photos
Characteristics of Vitamin B2 98%
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%
Vitamin B2 98% specification
Across Biotech supplies pharmaceutical grade, food grade, and feed grade riboflavin, which meets standards of EP/BP/USP/FCC.
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. 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) |
Packaging & Shipping
Fairs & Meeting
Clients visiting; Manufacturer audit; Factory tour.
Company Profile
Across Biotech has been active in the food/feed additives industry for many years. At the request of our customers, we have expanded our business to agricultural products, including garlic and cinnamon series. We are located in Jinan, Shandong province, a beautiful historic city, about a 3-hour drive from Qingdao Port. Our own warehouse allows us to respond to customers’ inquiries in the first instance and deliver products quickly.
The main products are vitamins, amino acids, nutrition enhancers, preservatives, flavorings, sweeteners, and agriculture products. We have also made an inventory of some products so that we can deliver the goods in time to ensure the normal supply of the goods.
With experienced employees, advanced equipment and facilities, and a hardworking sales team, we add value to our esteemed clients. Because we have strict quality control, and we deal with major brand products according to customer’s needs, ensuring that all products are supplied in their original packaging. Our goods are mainly exported to Europe, Japan, South Korea, India, Malaysia, Thailand, Indonesia, etc.
Our Advantages
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.