|
HS Code |
857529 |
| chemical_name | Polyglutamate Sodium |
| molecular_formula | (C5H6NO4Na)n |
| appearance | White to off-white powder |
| solubility | Highly soluble in water |
| molecular_weight | Variable, depends on polymerization degree |
| cas_number | 25513-46-6 |
| odor | Odorless |
| pH_value | 6.0-8.0 (1% aqueous solution) |
| stability | Stable under normal conditions |
| biodegradability | Biodegradable |
| source | Naturally derived (commonly from microbial fermentation) |
| function | Humectant, thickener, moisturizer |
| storage_conditions | Store in a cool, dry place, away from sunlight |
| applications | Cosmetics, agriculture, food, pharmaceuticals |
| toxicity | Low toxicity, generally recognized as safe (GRAS) |
| melting_point | Decomposes before melting |
As an accredited Polyglutamate Sodium factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for Polyglutamate Sodium features a 25kg white woven bag with blue labeling, moisture-proof lining, and clear product details. |
| Shipping | Polyglutamate Sodium is typically shipped in sealed, moisture-proof bags or fiber drums to ensure stability and prevent contamination. It should be stored and transported in a cool, dry place, away from direct sunlight and incompatible substances. Proper labeling and documentation are required to comply with safety and regulatory standards during shipping. |
| Storage | Polyglutamate Sodium should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and sources of heat. Keep the container tightly closed to prevent moisture absorption and contamination. Store at room temperature and avoid freezing. Ensure it is kept away from incompatible substances, and clearly label the storage area for safety and easy identification. |
| Purity 98%: Polyglutamate Sodium with 98% purity is used in water treatment systems, where it ensures high contaminant removal efficiency. Viscosity grade 500 mPa·s: Polyglutamate Sodium with viscosity grade 500 mPa·s is used in textile sizing processes, where it improves fabric strength and reduces yarn breakage. Molecular weight 800 kDa: Polyglutamate Sodium with molecular weight 800 kDa is used in agricultural formulations, where it enhances soil moisture retention and nutrient availability. Particle size <50 microns: Polyglutamate Sodium with particle size less than 50 microns is used in cosmetic emulsions, where it provides superior dispersion and smooth texture. Stability temperature 120°C: Polyglutamate Sodium with stability temperature of 120°C is used in high-temperature cleaning agents, where it maintains functional integrity and cleaning performance. Water solubility >99%: Polyglutamate Sodium with water solubility greater than 99% is used in beverage clarifiers, where it ensures rapid dissolution and clear product appearance. pH range 6-8: Polyglutamate Sodium with pH range 6 to 8 is used in pharmaceutical excipient preparations, where it offers compatibility and maintains formulation stability. Biodegradability >95%: Polyglutamate Sodium with biodegradability over 95% is used in eco-friendly packaging films, where it minimizes environmental impact after disposal. Ash content <1%: Polyglutamate Sodium with ash content below 1% is used in food additives, where it promotes purity and prevents product contamination. Chelation index 120 mg CaCO3/g: Polyglutamate Sodium with a chelation index of 120 mg CaCO3 per gram is used in detergent formulations, where it increases hardness ion binding, preventing scale formation. |
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Over the past decade, our labs and production teams have spent countless long days turning amino acid resources into practical, functional chemicals. Polyglutamate sodium stands out from the crowd, not just for its unique structure, but for the challenges we have met during manufacturing and the real advantages it brings in modern agriculture, soil treatment, and water retention work.
Polyglutamate sodium’s core is a polymer built from glutamic acid. Rather than a simple salt or small molecule, it forms long chains that can trap water, bind nutrients, and interact with soil. The trade names and models change, but what matters most is the molecular weight and purity. We produce several batches or “models” by tuning polymer length. Shorter polyglutamate sodium (low molecular weight) offers faster dissolution and works well in foliar sprays. Longer chain models, denser and more viscous, provide stronger soil-binding ability. Inside the factory, we measure everything—powder flow, solubility, residual monomer—because inconsistencies here wind up in your field or process downstream. Every batch brings its own set of challenges, from spray-drying under the right temperature, to eliminating contaminants like heavy metals and free ammonia that would otherwise risk crop health.
Every so-called “bio-based” hydrogel or soil amendment tries to promise the same magic: healthier crops, less fertilizer, better yields. The difference with polyglutamate sodium lies deep in both chemistry and practical performance. Polymers like polyacrylate (water-absorbing resin) have dominated this space for years. They soak up huge volumes of water, but leave behind stubborn remains—microplastic flakes, persistent residues, and sometimes even foul odors that organic growers reject. Polyglutamate sodium, born from the fermentation of plant amino acids, does not create these long-lived plastic fragments. Our factories run the process with certified raw materials, generating a polymer that bacteria can eventually consume in the soil.
Compare that to bentonite clay and organic mulch. Bentonite offers good water holding, but contributes nothing to the food web, and its swelling can break up soil structure if overused. Traditional mulches improve organic matter, but only as fast as they decompose, tied to local climate. Polyglutamate sodium finds a sweet spot: it locks in water much longer than natural mulch, yet won’t linger for years like a synthetic resin. From our observation plots in both saline and acidic soils, crops consistently show less withering in dry spells when the polymer is blended into the topsoil or mixed in irrigation water. This isn’t marketing — the difference is obvious on a hot August day when the root zone stays cool and moist longer, letting seedlings power through weeks of heat or sporadic rain.
People ask if polyglutamate sodium is only for giant commercial farms. It isn’t. Vegetable producers, fruit orchards, and even landscaping companies now use our product in many forms. Mine reclamation teams blend it with dried compost to help vegetation anchor itself in loose, poor soils. Anyone who has struggled with sandy or extremely light soils knows that irrigation water drains away in minutes, and nutrients disappear before roots can reach them. We spot the effects clearly in field trials: soil holds its shape, crusting disappears, and the fine white powder we supply vanishes from the eye, working unseen.
During a drought year, vegetable beds treated with polyglutamate sodium often outperform the untreated controls, supporting more consistent emergence and survivability. Turf specialists also prefer it for new sod installations since it cuts down on watering cycles and raises establishment rates. Our production lines include several particle sizes. The finest grades dissolve in drip fertigation tanks without clogging the system. Our granular forms mix right into substrate blends for greenhouse growers.
Working at the source, we see every step magnified. Poorly purified batches, or product mixed from unknown origins, produce off odors and cloudy dilutions—warnings that impurities remain. Fines precision makes a clear difference. A clean, free-flowing powder spreads evenly over large acreage with basic farm equipment and no added dust. The final moisture level impacts the shelf life and handling, something most traders never experience firsthand.
We control pH to stop clumping and caking, ensuring reproducible results for irrigation. In factory R&D, we experiment on both acid and alkali-tolerant lines, knowing that some customers will push the limits in extreme soil conditions. Stability tests under UV and high heat show polyglutamate sodium retains over 80% of water-absorbing capacity after six months of field exposure—a crucial factor for farmers in arid climates who invest heavily in soil conditioners.
Our environmental teams run life-cycle analysis every year. Compared with petroleum-based products, the carbon footprint of manufacturing polyglutamate sodium is much lower. The substrate comes from renewable agricultural starch or food byproducts, meaning local crop residues fuel the process, rather than imported crude. What leaves our gates is non-toxic and nearly tasteless, leaving nothing behind to worry regulators or neighbors.
We also see a return for growers: when soils hold water for longer and leaching slows, fertilizer savings rise. Many of our large-scale users cut their nitrogen and potassium input by 10-15% after regular polyglutamate sodium application, confirmed by independent third-party testing. Field demonstration plots prove the product earns its keep through better water-use efficiency and fertilizer use reduction. Organic growers praise it, since it passes common standards for food-safe and eco-labeled products, and can be documented in farming audits.
In chemical manufacturing, shortcuts add up. Direct manufacturers control the chain from fermentation through purification, so we provide full traceability and analytical records on every lot. Customers, agronomists, and industry partners know exactly what model and grade appears on the field or in the mixing tank. With third-party resellers, the label often says polyglutamate sodium, but particle size, solubility, and bioactivity can shift with every batch. Some carry excess plasticizer or preservatives never disclosed to customers. Real manufacturers guarantee purity, function, and safety, period.
The regulatory bar keeps rising. To meet both export and domestic requirements, we supply analytical data straight from our own labs and invite buyers to inspect the process hands-on. This confidence eliminates guesswork and builds lasting trust. Many of our long-term partners started as skeptics, burned by failed batches or impure blends, before turning to direct supply for quality. Retailers and end users who value long-term field results notice the difference season after season.
Production volumes over the years let us test and tweak every aspect of application. Row crop growers work polyglutamate sodium directly into seed furrows or surface-dress after planting. In fine fruit nurseries, it mixes with propagation soil to speed up early-stage root development. Landscapers add it beneath sod for faster “take” in sod-laying projects and drought-resistance in city medians. Coffee, tea, and orchard farmers dissolve it into overhead spray rigs, observing both increased drought resistance and improved nutrient uptake thanks to stabilized root zone moisture.
In hydroseeding, where erosion threatens new embankments, the product binds well with cellulose mulch and feed. On rain-soaked slopes, it cuts down crusting and runoff, keeping costly fertilizer from washing away. Because of its rapid dissolution and safe profile, it fits well in blended solutions without gumming up pumps or sprayers. Feedback from the field tells us which grade or particle size works in each machine type, so we continue to refine based on hands-on use.
The flexibility of polyglutamate sodium shines when specialty markets call for unique solutions. Mushroom growers use it to maintain humidity in spawn runs where waterlogging ruins yield. Seed coating teams incorporate our product, forming protective shells that both hydrate and support fast germination. Green roof installers blend the granular variety with light media, stretching out watering intervals and maintaining root strength under hot city sun.
Our in-house R&D focuses on adjusting chain length and cross-linking, bringing either quick-release or slow-release versions to targeted industries. Large molecular weight batches, for heavy soils and mine tailings, get extra attention for purity and flow. Conventional water-absorbing crystals may only last a couple years, but our product consistently integrates into the soil, feeding microbiota and breaking down safely. Direct experience with these iterations—watching them at work in greenhouses, fields, and urban projects—drives our schedule for future upgrades and product improvements.
Once production finishes, proper storage decides much of product fate. Polyglutamate sodium, sensitive to moisture, benefits from well-sealed bags and rapid delivery systems. We designed our packaging to keep humidity below critical limits through shipping and field application. If warehouse conditions slip, caking can occur, and inferior packaging from third parties increases risk of spoilage.
Experience taught us the value of careful warehouse rotation and inventory control. Storing too long or at the wrong temperature diminishes efficacy, often before the farmer ever opens the package. We produce just-in-time for major seasons and urge users to order close to planting, not stockpile for years as with synthetic polymers. This habit of close production-proximity and quick delivery allows end users to maximize every application, supporting the case for always buying promptly and from a source with complete control.
Not every hype story holds in practice. Polyglutamate sodium works best as part of a total soil management plan, not as a one-shot fix for poor land. Saline or sodic soils may still need gypsum or drainage improvement for optimal effect. While the polymer boosts water and nutrient availability, it cannot fix fundamental issues with soil structure or extreme compaction. Honest feedback from growers sometimes reveals initial disappointment—usually when overreliance replaces standard stewardship.
We regularly educate partners about right doses and blends. Overapplication wastes money and, in rare cases, slows emergence by holding too much water at the seed zone. Good results come down to balance, which is why we publish detailed mixing charts and work closely with marketing partners who actually listen to grower concerns, suggesting trial applications and graduated rates.
Environmental scientists keep a careful watch on any soil input. As a direct manufacturer, we fund in-house and independent research to prove polyglutamate sodium leaves no persistent pollutants. In our break down studies, soil microbes readily consume the polymer under both aerobic and anaerobic conditions. Its backbone—made from naturally occurring amino acids—contributes to soil fertility over time, rather than subtracting from it. This reassures both regulators and organic inspectors.
Evidence from pilot plots and controlled greenhouse trials shows that soil pH and microorganism populations either stay stable or benefit after repeated product use. The polymer degrades to simple peptides and eventually to non-toxic forms absorbed by plants and microbes alike. As a result, there is no harmful byproduct buildup or residual toxicity, even after many cycles. Real-world field checks by our own teams affirm these results, as do third-party certifications by eco-label programs in multiple regions.
Direct feedback loops with growers and industrial customers push innovation forward faster than any committee could. We hear needs for faster-acting grades in quick-rotation crops, and tougher, longer-lived polymers for permanent crops and reclamation zones. Our on-site labs work with new fermentation strains of glutamic acid, seeking higher yields and more environmentally friendly production. Solar and waste heat capture systems now power much of our production, bringing emissions down for an even cleaner lifecycle.
We continue developing new models. Controlled-release versions for slow, even hydration show promise for sensitive horticulture and hydroponics. Right now we are refining formulations that combine polyglutamate sodium with trace nutrient carriers and biostimulants, offering combined benefits that go beyond mere water retention.
Working directly at the source shapes our whole approach—not just the chemistry, but the relationships and trust with everyone down the chain. Our people, from process engineers to QC staff to the on-the-ground field team, all rely on real results and shared learning, not just certificates or fancy brochures. We choose formulations based on proven field data, honest setbacks, and clear scientific studies.
Those relying on polyglutamate sodium for their crops, landscapes, or infrastructure know what to expect when sourcing direct: consistency, safety, and a product that fits your processes and values. Feedback and ideas always drive further improvements—because working at the cutting edge means staying close to the people who rely on what we make.