Riboflavin

    • Product Name: Riboflavin
    • Alias: vitamin_b2
    • Einecs: 201-507-1
    • Mininmum Order: 1 g
    • Factroy Site: Yudu County, Ganzhou, Jiangxi, China
    • Price Inquiry: admin@ascent-chem.com
    • Manufacturer: Ascent Petrochem Holdings Co., Limited
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    Specifications
    HS Code 676306
    Name Riboflavin
    Other Names Vitamin B2
    Chemical Formula C17H20N4O6
    Molecular Weight 376.37 g/mol
    Appearance Yellow to orange-yellow crystalline powder
    Solubility In Water Slightly soluble
    Melting Point 280°C (decomposes)
    Cas Number 83-88-5
    Bioavailability High when taken orally
    Function Precursor of coenzymes FMN and FAD
    Role In Body Supports energy metabolism
    Daily Requirement Adult 1.1-1.3 mg
    Stability Stable to heat, unstable to light
    Source Found in eggs, milk, green vegetables
    Color Yellow

    As an accredited Riboflavin factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Riboflavin is packaged in a sealed, amber glass bottle containing 100 grams, with hazard labeling, batch number, and expiration date.
    Shipping Riboflavin should be shipped in tightly sealed containers, protected from light and moisture. Store and transport at room temperature, away from incompatible substances. Ensure labeling complies with regulatory guidelines. Handle with care to prevent damage to packaging and contamination. Riboflavin is generally not classified as hazardous for transport under most regulations.
    Storage Riboflavin should be stored in a tightly closed container, protected from light and moisture, at a controlled room temperature of 20–25°C (68–77°F). It should be kept away from incompatible substances such as oxidizing agents. Proper storage ensures the stability and effectiveness of riboflavin, as it is sensitive to light and may degrade upon prolonged exposure.
    Application of Riboflavin
    Purity 98%: Riboflavin Purity 98% is used in pharmaceutical tablet manufacturing, where it ensures consistent bioavailability and potency. Particle size 50 microns: Riboflavin Particle size 50 microns is used in fortified cereal production, where it provides uniform distribution and improved nutrient retention. Stability temperature 120°C: Riboflavin Stability temperature 120°C is used in processed food enrichment, where it maintains vitamin efficacy during thermal processing. Melting point 280°C: Riboflavin Melting point 280°C is used in high-temperature extrusion of nutritional supplements, where it delivers stability and preserves nutritional value. USP grade: Riboflavin USP grade is used in intravenous nutritional formulations, where it guarantees pharmaceutical compliance and safety. Photostability: Riboflavin Photostability is used in beverage fortification applications, where it resists degradation under light exposure and prolongs shelf life. Moisture content <1%: Riboflavin Moisture content <1% is used in powder drink mixes, where it prevents agglomeration and maintains free-flowing properties. Assay ≥99%: Riboflavin Assay ≥99% is used in infant formula fortification, where it achieves precise dosing and regulatory compliance. Granular form: Riboflavin Granular form is used in premix manufacturing, where it allows for accurate blending and reduced dust generation. Water solubility 1 g/L: Riboflavin Water solubility 1 g/L is used in beverage fortification processes, where it ensures rapid dissolution and homogeneous vitamin distribution.
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    Certification & Compliance
    More Introduction

    Riboflavin: Meeting Industry Demands from End-to-End Manufacturing

    Delivering Riboflavin at Source

    As a producer who has spent years managing reactions, refining yields, and maintaining product integrity right at the source, I’ve seen how riboflavin production comes with its own practical challenges and solutions. We’ve committed entire process lines to the steady production of riboflavin, usually known as vitamin B2, because demand never slows. Food-grade, feed-grade, and pharmaceutical-grade users rely on an uninterrupted, pure supply to formulate essential products that touch daily life across the world.

    Unlike traders or brokers, we feel every fluctuation in raw material quality, every change in microbial fermentation, and every shift in downstream processing. From fermentation tanks using Bacillus subtilis or Ashbya gossypii, through purification and spray-drying, control sits in the hands of our technical teams, not on distant spreadsheets or order books. Consistency and reliability matter because at our scale, any deviation becomes a costly complication both for us and for our customers.

    Specifying Riboflavin for Real-World Conditions

    Our most widely produced riboflavin material, known in the industry as Riboflavin 80% or Riboflavin 98%, comes in bright yellow-orange crystalline form. Many clients ask about these models based on the regulations or the blending needs of their downstream processes. Powder purity affects everything from feed stability during hot pelleting, to tablet compression in pharmaceuticals, to shelf-life in instant beverages.

    Over the years, optimizations to our fermentation and purification protocols have allowed us to consistently produce riboflavin that exceeds the norms for impurity profiles—limiting heavy metals, residual solvents, and microbial counts by orders of magnitude below the minimum requirements for food and pharma. No matter which grade customers specify, the core expectation remains unchanged: granule size distribution needs to hit the sweet spot, minimizing dusting and caking, and dissolving fully when required within finished products.

    Usage Across Industries: Built on Experience, Not Theory

    Most customers buying directly from us already understand why riboflavin is essential. The real conversation happens at the interface between manufacturing know-how and applied product design. In animal nutrition, our feed-grade riboflavin—typically formulated at 80% purity—goes into compound feeds where stability must withstand months of storage under variable humidity. Provincial feed mills, as well as multinationals, expect the same lot-to-lot performance, and don’t tolerate surprises.

    In bakery, beverage, and fortified cereal products, food-grade riboflavin replaces natural vitamin losses from processing and storage. Our many years serving food multinationals and regional brands show how slight differences in bulk density, particle surface, and water solubility can disrupt mixing, create flavor off-notes, or alter finished product color. That yellow color is unmistakable; it’s not just a quality check, but it provides reassurance to consumers that the real vitamin is there.

    Pharmaceutical applications bring a different scrutiny. Riboflavin powders must meet stricter pharmacopoeial specifications and sometimes get reprocessed for direct-compression tablets or sterile solutions. Higher specification means more frequent batch analysis and constant review of our fermentation process parameters. Customers for direct-tablet use expect not only the absence of contaminants but also smooth flowing and compacting during high-speed production. The smallest inconsistency can set off a recall or stall a production line.

    What Distinguishes Our Riboflavin?

    Our strength as a direct manufacturer shows in our strict batch tracking. Every drum that leaves our site bears a history we can trace in seconds—right back to specific fermentation lots, equipment, and time stamps. We invest in building our own microbial strains, optimizing product yields, and recycling process water to reduce cost and environmental impact. Most traders and repackagers lose sight of this level of control. Instead, they shuffle paperwork and rely on whatever upstream source fits the price point. That’s rarely good enough for long-term success.

    We do not rely on a single method of fermentation. Robustness in supply comes not just from volume but from redundancy. Our dual fermentation approaches—using both traditional and next-generation microbial hosts—ensure we keep output steady through market swings or natural variations in raw material. This is not common among middlemen who manage inventory risk with buffers and contract language. We keep direct oversight upstream, so our customers don’t shoulder the risk downstream.

    Color, taste, and odor are not cosmetic details in our business. Color deviation can signal a stressed fermentation or over-oxidation during purification. Customers have sent us samples of off-color riboflavin from less careful suppliers—slightly brownish or faintly green tints that signal impurity even before testing starts. Such lots get rejected, wasting time and raw materials for manufacturers that depend on an unbroken chain of quality. We treat those avoidable defects as reminders to stick to fundamentals: batch discipline, tight QC rounds, and preventive maintenance.

    Meeting Regulatory and Analytical Demands

    Our technical and quality teams have direct experience working with food and drug authorities and frequently host audits from multinational clients. Every parameter—from residual solvents to heavy metals to microbial limits—gets monitored in our in-house labs using validated HPLC, UV-Vis, and microbiological assays. Regulatory-compliant documentation and Certificates of Analysis travel with every order, ready for scrutiny.

    We field regular requests for non-GMO and allergen-free certification. Over years of process improvements, we learned addressing those requests at the source—not post-facto label revisions—is what keeps supply chains stable. We don’t rely on outside contractors to deliver these compliance guarantees; all documentation comes from our own tracked production lines, not passed down from a third-party warehouse.

    Clients in Europe, North America, and Asia have different maximum contaminant levels, irradiation bans, or kosher and halal standards. Meeting these requires repeated audits and full transparency. We make audit results and process modifications visible to clients, so they know exactly where their vitamin comes from, how it’s made, and how it performs over time.

    No Substitute for Close Production Oversight

    The most common problems newcomers face are variable color, inconsistent flow, and poor heat stability. Years spent troubleshooting these issues across different grades have taught us that cost-cutting at the source leads to sudden, expensive product recalls and reputational damage downstream. Our facilities run continuous monitoring of pH, temperature, and aeration through each fermentation cycle. The process never relies on guesswork or generic assumptions.

    We see what happens when non-specialist sources cut corners on crystallization or skip critical checks on final drying. Result: caking, uneven powder distribution, or even presence of unconverted nutrients that set off alarms during final product testing. Our close oversight hands down every lesson learned to each new process engineer we hire, building internal culture for direct-accountability and technical pride. Clients report back more often when we do things right. Complaints dry up when our operators catch small changes ahead of time.

    Adjusting to Customer Needs—With Real Support, Not Sales Promises

    End-users want more than just product. They demand answers on lot consistency, expected shelf life, compatibility with their additives, and optimal storage. We always encourage customers to share feedback about how our riboflavin performs in their blends rather than push boilerplate responses. Our technical support team draws on process-level experience and doesn’t rely on generic claims or outside consultants when a customer calls about results.

    Product granulation can tip the difference between easy use and headaches at scale. Our team collaborates directly with clients’ process engineers—recommending changes in inclusion rates, adjusting mesh size fractions, and supplying samples at the pilot stage, so everyone knows what behavior to expect before rolling out across batches or global regions.

    Upgrades from Standard Commodity to Strategic Ingredient

    Every shift in formula design or policy regulation can present a challenge even for a familiar ingredient. In food manufacturing, shelf stability requirements and flavor interactions keep evolving. Recent years have seen more demand for micronutrient-fortified instant drinks, with tight solubility specs and potential for off-tastes if powder blends are inconsistent. In animal feed, new research in poultry and livestock health sets different bioavailability targets for riboflavin granulation and release.

    Working as a direct manufacturer, we build new processing modules as industry requirements shift, sometimes piloting granule upgrades or blending new anti-caking agents in close partnership with large-volume users. Downstream, our production data enables rapid troubleshooting and solution development every time field performance flags in real-world applications.

    This hands-on approach applies to smaller buyers too. Regional food-makers often run less automated plants with variable local ingredients. Subtle differences in their base formulations can draw out odd behaviors from even well-controlled riboflavin powders. We walk through those questions together, leveraging our batch records and historical application notes to resolve issues proactively—sometimes shifting production parameters, sometimes supplying more robust, finer-grade options so clients can avoid stoppages in their own process.

    Raw Material and Traceability

    Our riboflavin production starts with rigorously selected carbohydrate feedstocks, often sourced locally to minimize transport time and unintended spoilage. Traceability from field to fermentation forms the backbone of our process discipline. Every truckload of raw material receives lot numbers and undergoes inbound testing for microbial contamination and pesticide levels before entering our facility. Fast, direct transfer to our reactors ensures no build-up of off-notes or unwanted micronutrient profiles in the final product.

    We’ve built redundancy into our raw material sourcing, contracting with multiple regional suppliers and maintaining alternate fermentation strains for maximal flex when price or supply swings hit. This guarantees that our finished product maintains both quality and supply reliability, insulating customers from upstream shocks that could cascade through production or end-consumer availability.

    Realistic View on Industry Competition

    The riboflavin market draws in many players—traders, resellers, blenders—each claiming reliability. Most buyers eventually find that only manufacturers that control their own fermentation and purification deliver the real cost, quality, and documentation advantages needed to avoid disruption in production cycles. We’ve witnessed how sudden price dips from speculative brokers can turn into future shortages when the underlying producers cut capacity or change process. That pain ends up shared by everyone who depends on stable supply.

    Direct manufacturing offers advantages beyond lower pricing. Our clients sidestep markup layers, repackaging risks, and confusion about country-of-origin documentation. This becomes crucial for pharmaceutical and food sector buyers subjected to audits, liability concerns, or stricter new product registration processes. On more than one occasion, we’ve stepped in to troubleshoot quality failures traced to brokered product of dubious origin—often at emergency cost.

    Environment and Sustainability

    Our plant design incorporates water recycling, heat recovery, and waste valorization systems to cut operational cost while shrinking side-stream waste and water use. We take these steps on our own initiative, not simply to satisfy regulatory filings but because efficient manufacturing delivers tangible benefits year after year. Whether maturing fermentation broth or drying final powder, we monitor process emissions and analyze waste for reuse in agricultural or energy production.

    Our environmental reporting goes back decades. We run process improvements yearly rather than waiting for regulations to force a change. Customers who track Scope 3 emissions can draw on our data to inform their own sustainability reports, which builds their trust and strengthens the relationships we’re proud to keep for the long run.

    Supply Chain Resilience and Crisis Response

    From the disruptions caused by unpredictable events to seasonal demand spikes, we’ve had years to test our ability to deliver under pressure. Our inventory and quality teams aren’t detached departments—they work hand-in-hand to identify lot risks, rotate stock through reruns for urgent customers, and maintain active communication during major shipping disruptions. This agility doesn’t come from clever contract clauses, but from direct experience at the production level.

    In a crisis, delayed communication from intermediaries can leave customers exposed. Our teams flag potential disruptions within hours, not days, and work directly with buyers to coordinate ship dates, documentation, and if necessary, prioritize orders for hospitals, animal health, or infant nutrition. Decades running our own logistics have taught us that open, proactive communication can soften even unplanned risks.

    Technical Partnerships and Innovation in Riboflavin Production

    We constantly refine fermentation and crystallization methods, not just to chase small cost savings, but to ensure product offered tomorrow performs even better than today’s. By partnering with universities and research institutes, we access better microbial strains, more efficient nutrient conversion, and robust process controls. Improvements get deployed directly—no middleman negotiation or wait-time for diluted upgrades.

    The balance between output and quality remains a daily focus. Over-engineering lowers yield, but pushing production limits can create off quality or unstable powders. Our teams train to target the right inflection points, allowing for fine-tuned adjustments as customer feedback circulates through the production floor.

    Collaborative Solutions for Industry Challenges

    We recognize recurring pain points, like attempted shortcuts on moisture control, inadequate monitoring of intermediates, or over-reliance on third-party audits. As direct manufacturers, we invite clients on-site for shared batch audits or troubleshooting, demonstrating every step from seed culture to finished drum. Transparent collaboration breaks through persistent challenges: off-color lots, batch-to-batch variation, or field complaints traced to unnoticed shifts in supplied product.

    Over time, our technical service team catalogues all shared application issues and solutions discovered in collaboration with clients. These case studies help prevent repetition of old mistakes not only for ourselves, but for end-users building new products or scaling operations for export.

    Connecting Quality Riboflavin with End-User Success

    Producing riboflavin directly enables us to maintain critical quality checkpoints, meet evolving global standards, and support customer innovation with firsthand process knowledge. The minute-by-minute decisions made on our shop floor reach the end product found in foods, feeds, and pharmaceuticals worldwide. Every challenge met here, every improvement implemented, gives end-users a more resilient, predictable, and sustainable ingredient supply.

    Across decades, feedback loops with clients have shown that consistent quality and direct technical partnership outlast low bids or marketing-driven claims. Riboflavin will always be more than a line item on a formulation spreadsheet; it is a benchmark of everyday reliability for the industries and consumers who count on us.

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