L-Arginine

    • Product Name: L-Arginine
    • Mininmum Order: 1 g
    • Factroy Site: Yudu County, Ganzhou, Jiangxi, China
    • Price Inquiry: sales3@ascent-chem.com
    • Manufacturer: Ascent Petrochem Holdings Co., Limited
    • CONTACT NOW
    Specifications

    HS Code

    349547

    Name L-Arginine
    Chemical Formula C6H14N4O2
    Molecular Weight 174.20 g/mol
    Appearance White crystalline powder
    Solubility In Water Highly soluble
    Melting Point 244 °C (decomposes)
    Cas Number 74-79-3
    Ph In Solution 10.5–12.0 (10 g/L, H2O, 20°C)
    Taste Slightly bitter
    Origin Amino acid (semi-essential or conditionally essential)
    Uses Dietary supplement, pharmaceutical ingredient
    Storage Conditions Store in a cool, dry place
    Bioavailability High
    Other Names 2-Amino-5-guanidinopentanoic acid
    Odor Odorless

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

    Packing & Storage
    Packing White plastic bottle with a secure screw cap, labeled "L-Arginine 500g," featuring hazard symbols and product details in blue text.
    Shipping L-Arginine is shipped in tightly sealed containers to prevent moisture absorption and contamination. It is typically packaged in fiber drums or HDPE containers with inner polyethylene bags. During transit, it should be kept in a cool, dry place, away from direct sunlight and incompatible substances. Handle with care according to safety guidelines.
    Storage L-Arginine should be stored in a tightly closed container, away from moisture, heat, and direct sunlight. Store it at room temperature, ideally between 15°C and 30°C (59°F–86°F). Keep in a dry, well-ventilated area and avoid exposure to incompatible substances. Ensure that the chemical is kept out of reach of unauthorized personnel and properly labeled to avoid misuse.
    Free Quote

    Competitive L-Arginine prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please contact us at +8615365186327 or mail to sales3@ascent-chem.com.

    We will respond to you as soon as possible.

    Tel: +8615365186327

    Email: sales3@ascent-chem.com

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    Certification & Compliance
    More Introduction

    L-Arginine: From Chemical Plant to Real-World Solutions

    Introducing L-Arginine: Knowledge Built from the Factory Floor

    In the world of amino acids, L-Arginine has carved a solid reputation among manufacturers who have spent years handling its production. For us, L-Arginine isn’t just a product name or a line item—it’s the outcome of consistent, practical experience. The process demands a precise balance of engineering, raw material quality, and rigorous monitoring, backed up by a team that recognizes the subtleties only hands-on work can reveal.

    Over time, we have learned how key it is to steer L-Arginine production with active attention to raw material consistency, contamination control, and reliable crystallization. These days, the demand for pure L-Arginine keeps rising across industries from food processing to pharmaceutics, and athletic nutrition to animal feed. With so many users relying on the consistency of each batch, the pressure never lets up, and that’s what keeps us sharpening every step along the way.

    What Sets L-Arginine Apart in the Modern Market

    L-Arginine is valued for much more than just its name. In chemical plants, it starts as a white, free-flowing crystalline powder with a crisp, slightly bitter taste, and a neutral smell. As a basic amino acid, it holds one of the highest nitrogen concentrations among the proteinogenic group. We watch each lot to make sure it meets strict purity standards—generally 98.5% or higher—as set by current pharmacopeial norms. Moisture levels remain closely monitored, usually under 0.5%, since even a small deviation affects downstream blending and stability.

    Customers often ask about the difference between our L-Arginine and that found at supplement resellers or food ingredient bins. The real answer lies in traceability, consistency, and freedom from impurities. Every time we send out a shipment, it comes with full manufacturing records, not just batch numbers. We know our feedstocks and confirm their origins, running in-house and third-party lab checks for heavy metals and microbiological risks.

    Physical characteristics are not the only things that count. For specific applications—injectables, pharmaceutical-grade supplements, special sports formulations—absolute control over enantiomeric purity is crucial. Racemization might sound theoretical, but it happens if the plant runs too hot or uses irregular pH cycles. In our plant, temperature is logged at every reactor, and product from each run undergoes optical rotation checks, so the L-form appears consistently within the defined specifications.

    Real-World Uses Driven by Proven Reliability

    As someone who spends every day seeing containers filled and samples tested, I’ve watched L-Arginine find its way into applications most people don’t consider. The most visible is sports nutrition—where supplement makers use it for its potential to support nitric oxide production, which can help improve blood flow and muscle “pump” during workouts. But more silent, large-volume applications depend on the same grade: parenteral nutrition mixtures, intravenous amino acid formulations, and clinical foods for people with metabolic disorders.

    In animal nutrition factories, mixing L-Arginine into advanced feeds helps balance nitrogen loads for poultry, swine, and aquaculture. It doesn’t take much to tip an animal formula off balance, so we control granulation and particle size for bulk users who rely on stable, easy-blending powders with solid shelf-life and no residue.

    For specialty chemical synthesis, L-Arginine brings value as a precursor to certain agrochemicals and pharmaceuticals. A number of modern small-molecule medicines begin with amino acid chemistry, so quality at the first step matters for yields and safety. We see significant repeat business from intermediates makers who trust us not to introduce unpredictable side products from the earliest stages.

    Model and Specifications That Reflect Decades of Refinement

    We label our current model as L-Arginine USP/EP/JP grade, since it meets United States, European, and Japanese pharmacopeia standards. Actual testing reaches beyond simple compliance. Thin layer chromatography, high-performance liquid chromatography, and FT-IR analysis all play roles in verifying identity and structure, while microbial limits reflect pharmaceutical expectations. Packing typically involves fiber drums with food-grade liners, or double PE-bag lined cartons, each sealed and coded for traceability.

    While the molecular formula (C6H14N4O2) and CAS number (74-79-3) appear on every release certificate, those only hint at the real story—the efforts put in from fermentation to purification. We don’t rely on shortcuts, and we never mix lots with “offcuts” or blend old product to sell at a discount. Each production run is an opportunity to reaffirm our skill and standards.

    Customers who have switched from bulk commodity arginine suppliers usually discover that not all L-Arginine performs identically. Varieties produced through direct chemical synthesis sometimes introduce unwanted byproducts or show less consistent powder properties than those derived from biofermentation. Bio-based materials often align better with current regulatory requirements for food and pharma uses, which is why we focus on glucose-based fermentation performed under sterile, monitored, closed systems. Downstream, our purification processes remove unwanted peptides, heavy metals, and endotoxins—essential for lab, medical, and supplement users alike.

    Differences from Other Offerings: The Hidden Details

    Through years of producing not only L-Arginine but also other basic and acidic amino acids, we’ve come to appreciate the subtleties that make big technical differences in the field. For instance, compared to L-Ornithine or L-Citrulline, L-Arginine brings higher direct bioavailability in mammals. While L-Citrulline is sometimes included in sports formulas for longer nitric oxide support, our manufacturing reports show L-Arginine rising in demand whenever immediate metabolic response is preferred. On the technical side, arginine’s higher alkalinity can cause shifts in pH that formulators must consider, so they tune buffer systems accordingly.

    Differences go beyond the molecule itself—they show up in flow properties, dust production, and storage stability. While many think amino acids all behave the same in a blender, we’ve learned that L-Arginine is hygroscopic, especially in open systems, and can clump if not packed and sealed tightly. Some low-cost imports arrive lumpy or with brownish tints—a clear signal of thermal damage or poor handling. We store our arginine under controlled temperature and humidity and inspect all incoming and outgoing lots. Our technical support knows that caked bags waste time and reduce downstream productivity in high-speed mixing or tableting plants.

    Why Quality and Traceability Support Better Usage

    Reliable supply chains and careful plant management form the backbone of practical L-Arginine production. When supply runs into bottlenecks or contamination incidents—whether heavy metals, bioburden, or cross-contamination—customers get nervous, and for good reason. A batch with questionable integrity can cause downstream failures, production losses, or worse, regulatory incidents. Our factory team is trained to think of themselves as the end-users’ last line of defense, not just the source.

    Each time we see a trend in complaints about inconsistent color, unknown odor, or micro counts, our team investigates both raw and finished product lines. Several years ago, a small bacterial excursion in our fermenter forced a complete shutdown and cleaning cycle—costly, but absolutely necessary. Since then, we’ve built stepwise HACCP screening, full digital batch tracing, and retained sample archives. Our customers benefit from this diligence, which means they spend less time and money doing their own troubleshooting.

    Best Practices for Storage and Handling to Preserve Functionality

    As every operator who’s ever worked with L-Arginine knows, the job isn’t finished when the product leaves the plant. Even top-quality material degrades or spoils if mishandled. We encourage warehouse managers and logistics staff to avoid storage next to strong-smelling chemicals, direct sunlight, or moisture sources. The crystalline powder is more robust than many think, but open exposure leads to clumping and makes weighing or dispensing inconvenient.

    Typical shelf life in intact, sealed packaging runs two to three years, depending on storage. Most problems arise not because of chemical instability but from mechanical damage—punctured bags, open drums, or careless stacking. We support our clients by including handling instructions with every load, and when possible, providing staff training about specialty chemical storage.

    Regulatory Compliance: Meeting the Standards That Matter

    Every sophisticated user wants proof beyond marketing claims. Our in-house compliance team works daily with food safety authorities, GMP inspectors, and pharmaceutical auditors to confirm that finished L-Arginine lots meet each required threshold. For example, endotoxin counts matter deeply for medical markets, but even sports nutrition clients increasingly demand proof of allergen-free sourcing and minimal environmental footprint.

    Trace metals—arsenic, cadmium, lead, and mercury—consistently test below 0.1 ppm. Microbial counts remain lower than the strictest food-grade standards; yeast, mold, and coliforms are regularly kept undetectable. Our environmental safety team reviews all effluent and emissions to keep plant certifications rock-solid. None of these efforts feel optional. Fumbling regulatory gaps or missing an emerging contaminant warning can erase years of trust and contract work.

    We hold updated certifications to support not only food and pharma users, but also kosher, halal, and non-GMO labels. Authentic documentation accompanies shipping, so downstream users can trace every pallet back through the process chain. When new global guidelines emerge—such as stricter regulations on bioengineered components—we adapt our sourcing and paperwork without hesitation.

    Supporting Innovation Through Direct Knowledge Sharing

    L-Arginine’s spectrum of uses grows as R&D teams find new ways to exploit its chemical properties. In the past decade, we’ve helped launch projects that use L-Arginine in nanoemulsions, wound healing substrates, and even biotechnological research into advanced tissue scaffolds. These initiatives demand more than generic raw material—they require a supplier who understands stability, formulation compatibility, and lab-to-production scale transfer.

    Customers with smaller projects benefit from our pilot batch capabilities and customer-focused technical support. We answer practical questions about solubility at varied temperatures, compatibility with active ingredients, and storage under real-world factory conditions. These daily conversations form the heart of productive manufacturer-client relationships. Years of feedback help us adapt, refine, and sharpen our products, making improvements that feed back into each next cycle.

    Environmental Responsibility and Next-Generation Manufacturing

    As legitimate chemical producers, we bear the burden of minimizing our environmental impact. Our current L-Arginine process uses renewable carbohydrate sources and continually improves waste-to-energy recovery. Fermentation byproducts are either processed for secondary value or managed with closed-loop filtration systems, so discharge never leaves control. Reducing solvent and water usage drives many equipment upgrades—improvements that result not simply from customer demand but from our internal belief that sustainable growth and environmental safety must go hand in hand.

    Modern energy-saving measures aren’t achieved overnight. Each year, plant teams participate in continuous improvement events, identifying loss points and energy inefficiencies, with upper management committed to investment in process upgrades. A few years back, we replaced older distillation setups with advanced membrane filtration, which not only saved energy but also improved purity and reduced reject rates. Such technical changes prove their worth not only financially but also in improved trust from communities and regulatory partners.

    Learning from Mistakes: Real-World Examples Make Us Better

    Mistakes occasionally happen in any manufacturing environment. One notable incident involved a shipment delayed in port, stored at uncontrolled humidity. Upon later inspection, the once-free-flowing powder had hardened, and customers experienced inconsistent dispensing. After this experience, we reviewed every step, developed new moisture barrier packaging, and now add humidity sensors to every load intended for export. This story echoes in team meetings; the lesson is clear—true quality runs from floor to finished product, and every person in the chain matters.

    Another learning moment came from a customer who discovered unexpected discoloration after taking over a competitor’s older stock. Analytical work showed the issue arose from trace iron contamination, likely from worn processing gear. Since then, we’ve tightened maintenance checks and equipment rotation, and we advise clients on physical inspection of stored lots before use. Such day-to-day lessons guide us as much as process automation or laboratory data.

    Direct Partnerships Create Lasting Solutions

    By working face-to-face with technical directors, lab supervisors, and quality control personnel at our customers’ sites, we gain insight into the challenges they face every day. Direct dialogue enables quick, practical solutions—whether adjusting lot sizes, offering tailored analytical reports, or clarifying documentation to pass regulatory audits. Our happiest clients share not only purchase orders but also feedback, suggestions, and samples when a new application calls for specialized support.

    This steady cycle—listen, refine, improve—guides every process change, plant upgrade, or documentation update. L-Arginine isn’t sold in a vacuum; it makes its way into products people rely on, and our work looks ahead to the reliability and impact of every batch. Trust builds from transparency, knowledge, and an unflagging willingness to stand behind every drum and carton we send out the door.

    Looking Ahead: The Road We’re Paving

    As we look forward to the next cycle of innovation, safety standards, and sustainability requirements, our L-Arginine production will keep adapting. Each day brings new challenges, tighter limits, and higher customer expectations, and meeting those standards remains both a point of pride and an everyday necessity. Whether destined for clinic, factory floor, or research lab, our commitment to quality and service never wavers—and neither does our willingness to learn and do better for each partner who trusts us with their business.

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