Description
1. Product Overview
Vitamin B2 (Riboflavin) is a high-purity, water-soluble micronutrient essential for cellular energy metabolism, enzymatic redox reactions, and tissue maintenance across human and animal nutrition channels. Its primary industrial use is as a fortification agent and feed additive in the pharmaceutical, functional food, and premix manufacturing sectors. The key value proposition lies in its proven stability, consistent bioavailability, and role in reducing production losses due to nutritional deficiencies—making it a strategic input for high-volume formulators seeking regulatory compliance and operational efficiency.
2. Key Specifications & Technical Characteristics
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Chemical Composition: Riboflavin (C₁₇H₂₀N₄O₆), ≥98% pure active ingredient, USP/EP/BP/FCC grade compliant
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Physical Characteristics: Fine crystalline powder; yellow to orange-yellow color; particle size D90 ≤ 20 µm; bulk density 0.35–0.55 g/cm³; ≥98% passes through 80-mesh sieve
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Solubility: Slightly soluble in water (0.07 mg/mL at 25°C); freely soluble in dilute alkaline solutions
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Loss on Drying: ≤1.5% (105°C, 4 hours)
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Residual Solvents: Meets ICH Q3C guidelines (≤500 ppm methanol, none detected for Class 1)
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Heavy Metals: ≤10 ppm (as Pb)
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Packaging Options: 25 kg multi-wall kraft paper bags with inner PE liner; 500 kg FIBCs; custom blended masterbatch packaging upon request
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Shelf Life: 36 months from manufacture when stored in original unopened packaging at 15–25°C, protected from light and moisture
3. Core Industrial Applications
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Animal Feed Premixes (Swine, Poultry, Aquaculture): Used at 20–80 mg/kg feed to prevent riboflavin deficiency (reduced growth, dermatitis, poor egg production). Outperforms lower-grade riboflavin sources due to uniform dispersion and higher thermal stability during steam pelleting (retains ≥92% activity at 85°C).
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Pharmaceutical & Nutraceutical Tablets/Capsules: Direct compression and wet granulation processes benefit from the product’s narrow particle size distribution, which ensures blend uniformity (RSD <3%) and reduces tableting defects.
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Infant Formula & Medical Nutrition: Provides photostable riboflavin-5’-phosphate equivalence with minimal degradation under aseptic processing conditions, reducing batch rejection rates by up to 12% versus standard-market alternatives.
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Fermentation Media (Yeast & Bacterial Cultures): Serves as a growth-limiting cofactor; at 0.5–2.0 g/L, it shortens lag phase by 8–10 hours compared to impure technical grades, improving bioreactor throughput.
4. Competitive Advantages
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Quality Consistency: ISO 22000, FAMI-QS, and cGMP-certified production; each batch includes CoA with HPLC assay results; inter-batch RSD <1.5% over 36 consecutive months.
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Supply Reliability: Multi-site manufacturing (Asia, Europe) with 6-month rolling forecast buffer stock; guaranteed 98% on-time-in-full (OTIF) delivery for contracted volumes.
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Logistics Capability: Temperature-controlled warehousing in key transshipment hubs (Rotterdam, Singapore, Houston); export-ready documentation including MSDS, allergen-free declaration, and non-GMO certificate.
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Price Competitiveness: Direct-from-manufacturer pricing eliminates trader markups; volume-based tiered discounts down to $13.50/kg for contract volumes >100 MT annually.
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Sustainability: Production uses fermentation-derived riboflavin (Bacillus subtilis), reducing carbon footprint by 40% vs. chemical synthesis; byproduct stream repurposed as organic fertilizer.
5. Commercial & Supply Information
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Minimum Order Quantity (MOQ): BULK 20MT (split across up to 4 container loads)
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Loading Capacity: 20 MT per 20-foot dry container (20 pallets x 1,000 kg net, strapped and stretch-wrapped)








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