Products

Liquid Methionine

    • Product Name: Liquid Methionine
    • Chemical Name (IUPAC): 2-amino-4-(methylthio)butanoic acid
    • CAS No.: 4857-44-7
    • Chemical Formula: C5H11NO2S
    • Form/Physical State: Liquid
    • Factroy Site: Nanbao Development Zone, Tangshan City, Hebei Province
    • Price Inquiry: sales7@bouling-chem.com
    • Manufacturer: Tangshan Sanyou Group Co., Ltd
    • CONTACT NOW
    Specifications

    HS Code

    318940

    Chemical Name Liquid Methionine
    Chemical Formula C5H11NO2S
    Physical State Liquid
    Color Clear to pale yellow
    Odor Slight, characteristic
    Solubility In Water Miscible
    Ph Range 4.5-6.5
    Molecular Weight 149.21 g/mol
    Boiling Point Decomposes before boiling
    Storage Temperature 5-30°C
    Main Use Nutritional additive in animal feed
    Density 1.1-1.2 g/cm3
    Flash Point >100°C
    Stability Stable under recommended conditions
    Cas Number 4857-44-7

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

    Packing & Storage
    Packing Liquid Methionine is packaged in a 25-liter high-density polyethylene drum with a secure, leak-proof cap and durable labeling for safety.
    Container Loading (20′ FCL) 20′ FCL can load about 24 MT Liquid Methionine, packed in 1200 kg IBC tanks, suitable for bulk international shipping.
    Shipping Liquid Methionine is shipped in tightly sealed, corrosion-resistant containers such as HDPE drums or IBC tanks to prevent leakage and contamination. It should be transported upright, protected from extreme temperatures, direct sunlight, and moisture. Proper labeling and documentation, in compliance with local and international regulations, ensure safe handling and delivery.
    Storage Liquid Methionine should be stored in tightly sealed, clearly labeled containers, away from direct sunlight, heat sources, and incompatible materials such as strong oxidizing agents. Store in a cool, dry, and well-ventilated area. Preferred storage temperature is between 5°C and 30°C. Ensure containers remain upright to prevent leaks, and implement secondary containment to avoid spills.
    Shelf Life Liquid Methionine typically has a shelf life of 12 to 24 months when stored in a cool, dry, and sealed container.
    Application of Liquid Methionine

    Purity 99%: Liquid Methionine with a purity of 99% is used in broiler feed formulations, where it ensures optimal amino acid balance and improves daily weight gain.

    Viscosity Grade 500 cP: Liquid Methionine of viscosity grade 500 cP is used in automated feed injection systems, where it provides consistent and efficient dosing precision.

    Molecular Weight 149.21 g/mol: Liquid Methionine with molecular weight 149.21 g/mol is used in aquafeed production, where it enhances the bioavailability of sulfur-containing amino acids.

    Stability Temperature up to 50°C: Liquid Methionine stabilized up to 50°C is used in hot-climate poultry operations, where it maintains efficacy during storage and application.

    Color Index ≤10 Hazen: Liquid Methionine with a color index of ≤10 Hazen is used in high-quality cattle feed, where it minimizes color interference in final product blends.

    pH Range 5.5-7.0: Liquid Methionine within a pH range of 5.5-7.0 is used in ruminant feed premixes, where it prevents feed component degradation and optimizes shelf-life.

    Solubility >99% in Water: Liquid Methionine with solubility greater than 99% in water is used in liquid feed supplement systems, where it ensures rapid and complete dispersion for homogeneous nutrient delivery.

    Relative Density 1.30 g/cm³: Liquid Methionine with a relative density of 1.30 g/cm³ is used in bulk storage tanks, where it enables accurate metering and optimized logistics in feed manufacturing plants.

    Heavy Metals <10 ppm: Liquid Methionine containing less than 10 ppm heavy metals is used in specialized pet food diets, where it guarantees compliance with safety and regulatory standards.

    Shelf Life 12 Months: Liquid Methionine with a shelf life of 12 months is used in commercial animal nutrition programs, where it allows for extended storage without loss of functional activity.

    Free Quote

    Competitive Liquid Methionine prices that fit your budget—flexible terms and customized quotes for every order.

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    Certification & Compliance
    More Introduction

    Liquid Methionine: Practical Nutrition Straight from the Manufacturer

    What Makes Our Liquid Methionine Different

    From our vantage point on the factory floor, Liquid Methionine stands out as a reliable tool for modern feed nutrition. For years, we’ve handled the full process, from raw materials through each step of synthesis, blending, and quality control in our facility—there’s rarely a dull day in this business. What customers look for is real, hands-on experience with the ingredient, not just typical sales fluff or endless rephrasing of specs.

    Methionine counts among the essential amino acids, crucial for animal growth and metabolism. It’s not something animals can synthesize themselves, so we’re in a position where consistency matters every bit as much as purity. The liquid format we produce offers a different set of benefits compared to powder or granule types. Pouring from tanks or drums, the job gets done with fewer headaches—less dust in the air, faster mixing times, and more accuracy in dosing. Feed mills like that they can pump or meter the product directly into their mixers, reducing batch errors and handling losses.

    From our daily work with livestock nutritionists and production managers, two details keep coming up: actual bioavailability and feed handling. Methionine isn’t just a box you tick on an ingredient list; it directly contributes to weight gain, milk yield, and egg production by providing the sulfur groups needed for protein synthesis. In poultry and swine feeds, it plugs a nutritional hole that otherwise shows up in slower growth, poorer feathering, or weaker immune response. Ruminants benefit too, but formulation gets trickier—methionine can degrade in the rumen before animals absorb much of it, so not every form gives the same results.

    How We Measure Quality Every Step of the Way

    You need more than just an assay report. We work directly with both lab chemists and process engineers to ensure every batch stays within tight limits. Color and clarity show us how well reactions performed. Odor, though underrated, gives away problems in raw materials that might not show in a quick spec scan. By running our own plant and running our own regular batch samples for purity, we catch off-ratio blends long before drums leave the site. Part of our process includes using high-precision liquid chromatography and sulfur detection. Results speak: batches consistently deliver steady methionine content, so feed makers don’t end up adjusting their recipes mid-production, which costs everyone time and money.

    Much of our raw material traceability comes from close logistics partnerships. The reality of chemical manufacturing is that interruptions in supply chains can throw off whole production runs. That is why we maintain secure supply lines and keep regular audits, not just for certifications or outside checks, but to keep our word with customers who depend on deliverable, repeatable results.

    Liquid vs. Powder: Real-World Experience Direct from the Shop

    Quite a few feed producers started on powder methionine, shifting over only once they ran into dust or handling issues at scale. Workers complain about the mess—sweeping up powder, dealing with spillage, or even breathing dust by accident. Liquid methionine cuts out these worries. Feed makers can connect drum pumps directly to mixing lines, automate metering, and cut down labor steps. Less manual handling means lower risk for mistakes. We’ve watched many clients scale up production, simply because switching to liquid form lets them streamline batching, automate inventory, and save more of the nutrient actually intended for the feed.

    In pure bulk shipping, liquid might look pricier up front, but hidden costs evaporate—spillage, shrinkage, settling, and equipment headaches make up the difference fast. In our own plant, we noticed it during phased upgrades: as soon as we switched to closed handling for our own methionine dosing in research feed blends, the workflow sped up and there were fewer operator complaints.

    We also see fewer contamination problems in storage vessels. Powder residues can stay behind, building up and affecting future batches, especially if storage isn't thorough after every run. Liquid methionine leaves less behind—tanks clean out faster, which matters when a busy feed mill needs every uptime minute.

    Supporting Key Market Applications: Our Experience in Action

    The majority of our Liquid Methionine ships out to high-volume animal feed producers—poultry and pig diets form the backbone. Nutritionists direct us to performance data: broiler chickens on diets with liquid methionine reach target weight faster and convert feed more efficiently than birds without, especially when balancing for total sulfur amino acid content. In sows, supplementing diets produces healthier litters and steadier lactation performance. Practical end results: improved profit per unit and less waste.

    Some customers run aquafeed lines. There, accurate dosing touches not just yield but also water quality. Residual powder can float, clump, or break up feeding—but liquid blends in directly. Fish and shrimp get their methionine, tanks stay cleaner, and discharge gets easier to manage. It’s direct feedback from commercial farms and feed laboratories that keeps us refining our process, adjusting for local climate, ingredient availability, and water systems.

    Not every market sticks to conventional livestock. With the rise of specialty pet foods, demand for consistent, low-odor, and easily blended sources has shot up. It’s a challenge to ship to urban processors on tight schedules, but by handling our own consignments and maintaining independent product certs for each region, we keep pace with shifting regulations. EU markets want lower sulfate content and tighter controls on trace contaminants; in other countries, feed fortifiers want high flowability and stability in high-protein mixes.

    Our Technical Process and the Value of Vertical Integration

    Operating our own reactors, storage, and blending facilities gives us control over quality and response times. Production starts with carefully screened feed-grade raw materials. Over the years, we’ve worked out reaction conditions that preserve methionine yield, limit side-products, and keep the process stable across seasons and power grid fluctuations. Not every plant can say the same. We keep real-time monitor systems throughout the reactor and blending lines—if something drifts, alarms go up, and the team steps in right away.

    Through direct shipping lanes and our own logistics, we guarantee timely deliveries in tankers, drums, or IBCs. That saves downstream partners a lot of headaches, especially when tight contract deadlines have penalties on late shipments. We’ve watched the competition scramble while their third-party blenders or intermediaries delay critical loads on the dock.

    Our technical team stays in contact with end users and feed mill managers to update handling advice as production lines and formulations change. A decade ago, fewer feed makers automated dosing. Now, many plants rely on programmable logic controllers and flow sensors—so we build in compatibility with dosing pumps and track viscosity under long-term storage. Simple changes—better tank valves, vapor capture lids, and batch trace software—came straight from these conversations. Our approach: learn from the people who actually empty our tanks.

    Handling Safety, Storage, and the Human Side

    Handling chemicals never stops requiring vigilance. Every plant worker, driver, or warehouse hand needs practical, repeat-tested safety routines. For Liquid Methionine, the main concern is contact with skin or eyes. We install purpose-specific transfer hoses, spill trays, and protective eyewear in every loading area. By focusing on these basics, we avoid accidents that can cost real injury or lost production days. Storage tanks get checked for leaks, corrosion, or unexpected heat spikes, and maintenance logs under real-world conditions build trust with our clients: if we find a paint fleck or gasket wear, we log it and fix before the next refill—no exceptions.

    Training matters as much as hardware. We rotate staff through quality assurance and logistics, so everyone knows how batches move from synthesis to customer. Feedback loops stay open, right down to plant floor operators. Losses and unexpected issues get brought up in weekly standups, so we respond before they spiral into production chaos.

    We keep chemical safety data current not just for regulatory compliance, but because it benefits everyone who comes in contact with the product—our drivers, our warehousers, and our customers on the other end.

    Environmental Responsibility: Our Experience Setting Real Standards

    As manufacturers, we don’t have the luxury to hand off waste or emissions responsibilities to someone else. Everything we discharge, from washwater to off-gas, needs monitoring. Over the years, we’ve upgraded recovery systems for process water and invested in scrubbers and containment vessels. Local water treatment teams have worked alongside us after regular site audits to ensure zero out-of-spec discharge.

    We’ve switched to reusable drums and IBCs for local distribution, cutting down on landfill volume. Each tank and drum cycles through sterilization and leak checks before heading back out. Our records show a steady reduction in single-use packaging, and we report these numbers directly to our biggest clients. For international shipments, weight-optimized tankers reduce trips and fuel costs.

    Energy efficiency also demands upfront investment. By shifting to LED lighting in storage areas, upgrading plant motor drives to higher-efficiency models, and rerouting heat from reactors to preheat process water, our plant now runs cleaner, with a lower carbon footprint than before. These investments usually pay off in less than five years—proof that sustainability has real, bottom-line benefits for a company that controls its own manufacturing.

    Regulatory Compliance and Documentation in Every Batch

    Animal nutrition chemicals draw strict oversight. Our experience with regulatory agencies has taught us that nothing replaces direct, auditable records and transparent reporting. We keep digital calibration records from every batch testing device, keep updated MSDS sheets, and re-certify process systems not just for local laws but also for major export markets. Feed industry partners demand current documents, but we go further—periodic surprise audits by outside labs show third-party analysts that we don’t just “meet” standards, we beat them routinely.

    For trace additives or blend components, source verifications and supplier declarations ride along with every batch. Direct shipment from our own tank farm means fewer handoffs where chain-of-custody could get murky. Tracking software assigns unique lot numbers to each drum, tote, or tanker, which matches delivery details in our main feed formulation software. Clients dealing with audits or recalls appreciate that they can call us and get historical batch data without a bureaucratic runaround.

    We face periodic shifts in allowable levels of trace elements—metals, specific amino acid isomers, or process byproducts. Instead of waiting for the next enforced deadline, we try out pilot batches and pre-test new formulations to stay in line with changing rules. Our internal systems flag regulatory bulletins as they release—years of groundwork setting up those alerts have paid off, especially through trade disruptions or tightening safety standards.

    Supporting Innovation: Adapting Liquid Methionine for Tomorrow’s Nutrition Challenges

    Livestock nutrition keeps evolving, as costs for basic ingredients climb and regulations tighten. We’ve worked with R&D teams across the feed industry to trial blends where synthetic amino acids curb overall protein needs, which lowers nitrogen output and keeps feed costs within budget. Liquid methionine fits into these strategies, providing predictable content and making it easier to fine-tune final rations quickly. Our on-site chemists keep testing for storage stability and mixing compatibility, especially as feed mills explore using locally produced protein sources or byproducts that don’t always blend the same way every harvest.

    Bioavailability remains a top question. From our plant, we’ve run extended shelf-life studies, tracked what happens to the methionine fraction after months in mixed-feed storage, and used isotope analysis with partner labs to confirm absorption rates in livestock. The findings shape our recommendations and help downstream partners hit their animal health targets.

    Challenges Ahead, Practical Solutions from Manufacturing

    No manufacturing process works without hiccups. We’ve seen bad weather delay shipments, unexpected power outages hit reactor runs, or an off-balance batch result in higher cleaning times. Practical solutions rely on backup generators on-site, cross-trained staff, and clear communication from operators to supervisors. Regular maintenance cycles shorten unplanned downtimes and keep disruptions from snowballing.

    As countries introduce quarantine zones or expand anti-contamination rules, digital traceability logs and compliance-ready shipment documents play a bigger role. We invest in staff training for these programs because, without accurate lot-level history and safety tracking, you risk lost inventory and legal penalties you can’t claw back. From our position on the production side, we’ve learned not to leave compliance or delivery to chance.

    Direct Experience Means Real Answers for Feed Producers

    It’s easy to find a distributor or reseller promising on-time delivery or spec compliance, but they don’t carry out the reactions, spot-check the lines, or handle the raw material risks. Running our manufacturing gives us a ground-level view—of what goes out and what comes back in feedback. Every product cycle, every new batch, feeds into our learning, letting us tweak process steps or logistics for future runs. We see firsthand what works and what misses the mark.

    With Liquid Methionine, the essentials boil down to trusted sourcing, consistent dosing, easy handling, and practical backup if something goes off schedule. Those running feed plants recognize the value in direct lines to the people who can answer detailed questions about blending, storage, or troubleshooting.

    The Real Difference in Liquid Methionine Manufacturing

    Manufacturing isn’t just about hitting a purity number or passing a checklist. It involves every step from tank to truck, supported by a team who knows where each risk and each opportunity for improvement sits. Liquid Methionine gives feed producers a reliable way to raise productivity, cut labor costs, and ensure animal health outcomes with less waste and strain. Our experience running full-spectrum chemical operations delivers each batch to spec, on time, and backed by practical answers rooted in daily manufacturing practice—not theory, not third-hand summaries, but lived reality on the production side.