Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing admin@sinochem-nanjing.com 3389378665@qq.com
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Brassinolide

    • Product Name Brassinolide
    • Alias Brassinosteroid
    • Einecs 803-400-0
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    999784

    Chemical Name Brassinolide
    Common Name BL
    Chemical Formula C28H48O6
    Molecular Weight 480.68 g/mol
    Appearance White crystalline powder
    Solubility Soluble in ethanol and methanol
    Usage Plant growth regulator
    Mechanism Of Action Promotes cell elongation and division
    Melting Point 274-276°C
    Cas Number 78821-43-9

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

    Packing & Storage
    Packing Brassinolide is packaged in a 10-gram amber glass vial, sealed tightly with a screw cap, and labeled with safety and purity details.
    Shipping Brassinolide is shipped as a solid in tightly sealed containers to protect it from moisture and light. It should be handled with appropriate safety measures and kept at room temperature or as specified. The packaging complies with chemical transport regulations to ensure safe and secure delivery during transit.
    Storage Brassinolide should be stored in a cool, dry, and well-ventilated area away from light and moisture. Keep the container tightly closed and store at temperatures between 2–8°C (refrigerated). Avoid exposure to heat, direct sunlight, and incompatible substances such as strong oxidizers. Proper storage ensures the stability and effectiveness of brassinolide for laboratory or agricultural applications.
    Application of Brassinolide

    Applications of Brassinolide in Industrial Manufacturing

    As a specialized manufacturer of Brassinolide, we have partnered with a range of industrial clients to integrate our product into targeted agricultural and bioprocessing applications. Each industry segment requires careful attention to formulation, regulatory standards, and processing parameters to realize specific plant growth benefits and operational efficiency. The following sections outline established, real-world applications across key sectors, supported by regulatory frameworks, dosage guidelines, production process stages, and typical downstream products.

    1. Agricultural Biostimulant Formulations

    Plant nutrition manufacturers consistently incorporate Brassinolide into foliar sprays and soil conditioners aimed at enhancing crop growth, stress tolerance, and yield quality. These bioactive formulations must conform to changing global agricultural input regulations and involve precise blending to maintain product consistency. The addition occurs at the liquid formulation stage, with strict QC monitoring for concentration and homogeneity to ensure alignment with regulatory residue limits.

    Industry compliance standards

    • FAO/WHO: Maximum Residue Limit (MRL) Guidance
    • European Union Regulation (EC) No 1107/2009 on Plant Protection Products
    • China GB2763–2021 MRL for Pesticides
    • US EPA Biochemical Pesticide Regulations (40 CFR Part 158 Subpart U)

    Typical usage ratio

    • 0.01 – 1 mg/liter, adjusted by crop type, growth phase, and formulation target

    Downstream process integration

    • Introduced during final blending in biostimulant liquid production, just prior to packaging, following dissolved mixing protocols and in-process batch QC

    Final product types

    • Ready-to-spray foliar fertilizers
    • Soil amendment liquids
    • Seed treatment bio-stimulant coatings
    • Horticultural nutrient blends

    2. Vegetable Seed Priming Treatments

    Seed enhancement facilities integrate Brassinolide into priming solutions to improve germination rates and seedling vigor, particularly for high-value vegetable crops. Formulation and soaking duration must adhere to strict phytosanitary rules and documentation controls to meet traceability and quality standards set by domestic and export markets. Rigorous batch control during the hydration process ensures uniform application and optimal hormonal balance.

    Industry compliance standards

    • International Seed Testing Association (ISTA) Rules
    • OECD Seed Schemes
    • GB/T 3543.2–1995 Seed Testing Method (China)

    Typical usage ratio

    • 0.01 – 0.1 mg/liter in aqueous priming solutions, with rates adjusted for seed species and size

    Downstream process integration

    • Added to seed hydration tanks during priming preparation, maintained under agitation to ensure distribution during soaking and post-treatment rinsing

    Final product types

    • Pre-germinated vegetable seeds
    • Commercial hybrid seed lots
    • Coated seeds for precision planting systems

    3. Horticultural Tissue Culture Media

    Tissue culture laboratories use Brassinolide in micropropagation and cloning media to regulate cell division, rooting, and shoot elongation in ornamental and fruit plantlets. Precise inclusion rates must conform with international science and bioengineering protocols, as well as domestic biosafety management rules. The raw material is added as a filter-sterilized solution during the preparation of culture media prior to autoclaving and pouring, under controlled cleanroom conditions.

    Industry compliance standards

    • OECD Best Practice Guidelines for Plant Tissue Culture
    • ISO/TC 276 Biotechnology
    • Phytosanitary Certification (ISPM 36)

    Typical usage ratio

    • 0.001 – 0.05 mg/liter in agar or liquid culture medium; adjusted based on genus and developmental stage

    Downstream process integration

    • Dispensed during culture media compounding, following filter-sterilization, added at cooled preparation stage to retain bioactivity

    Final product types

    • In vitro propagated plantlets and mother stock
    • Rooted microcuttings for commercial nurseries
    • Plant tissue culture starter kits

    4. Crop Stress Resistance Enhancers in Controlled Environment Agriculture (CEA)

    Vertical farms and greenhouse operators rely on Brassinolide supplementation through fertigation systems and mist chambers to mitigate abiotic stress impacts, including drought, temperature fluctuations, and high salinity. Integration must comply with both local food safety statutes and CEA-specific input recording rules. The compound is dosed just before dilution tanks, with real-time monitoring and adjustment based on crop stress sensor data.

    Industry compliance standards

    • USDA National Organic Program (NOP) Input Requirements
    • Global G.A.P. IFA Standard for Fruits & Vegetables
    • Japan Plant Factory Association Standards

    Typical usage ratio

    • 0.02 – 0.5 mg/liter, fine-tuned according to crop cycle, exposure severity, and system recirculation volume

    Downstream process integration

    • Injected into fertigation pipelines or misting reservoirs during environmental control phases, under automated mixing controls and mandatory QC sampling

    Final product types

    • Leafy greens for retail clamshell packaging
    • Hydroponic tomato and cucumber supplies
    • High-density microgreens production

    5. Fruit Quality and Shelf Life Improvement in Pre-Harvest Spraying

    Postharvest handling facilities and exporters instruct grower partners to apply Brassinolide as part of programmed pre-harvest foliar sprays to boost cell wall strength, fruit size, and delay senescence, especially for export-grade fruits. Treatment must follow maximum residue limit checks and use traceable spray logs to conform to receiving market requirements. Inclusion takes place in final tank-mix before field application, coordinated with scheduled safety intervals prior to harvest.

    Industry compliance standards

    • CODEX Alimentarius MRL Listings
    • EU Regulation 396/2005 on MRLs
    • Japan Food Sanitation Law Monitoring

    Typical usage ratio

    • 0.05 – 0.2 mg/liter in foliar spray solutions, adjusted with reference to fruit species and local maximum residue limits

    Downstream process integration

    • Added to nutrient-fortified spray program, applied during late growth stages, accompanied by field logs and pre-harvest interval checks

    Final product types

    • Fresh-cut fruit for international shipment
    • Whole table grapes and berries
    • Export apples, pears, and citrus packaging

    6. Turf Grass and Sod Production

    Specialty sod farms and sports turf managers utilize Brassinolide to maximize root establishment and regrowth after cutting or transplantation. Industry regulations require adherence to environmental impact reporting and public safety rules, particularly for sod used in municipal or stadium projects. The product is injected via irrigation during regrowth phases or sprayed in conjunction with nutrients, under application logs integrating field testing results.

    Industry compliance standards

    • ISO 24617:2022 Turfgrass Quality Assessment
    • EPA FIFRA Pesticide Labeling Compliance
    • Environmental Stewardship Program Certification (ESP)

    Typical usage ratio

    • 0.01 – 0.15 mg/liter per application, tailored for species, growth curve analysis, and sod maturity targets

    Downstream process integration

    • Mixed into irrigation system batch tanks with continuous monitoring, or applied as a tank-mix during scheduled foliar feed programs for regrowth optimization

    Final product types

    • Harvest-ready grass sod rolls
    • Stadium and golf course turf blocks
    • Landscape turf for public and residential projects
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    Certification & Compliance
    More Introduction

    Brassinolide: A Closer Look from the Manufacturer’s Perspective

    Brassinolide’s Place in Modern Agriculture

    Brassinolide does more than support crop development. For decades, our team has watched cultivators push fields to new levels with the right tools and knowledge about plant growth regulators. When we look at Brassinolide, we see a molecule that plays a distinct role in driving plant vigor, resilience, and quality. This compound stands out due to its structure and function within the family of brassinosteroids. The difference comes from how it influences crops at thresholds that folk working with gibberellins or cytokinins notice right away. We have encountered a constant demand from growers of vegetables, fruit, grains, and ornamentals for aids that can help crops recover after stress, boost yields, and push harvest quality up a notch. Brassinolide shines in these conversations because of its well-documented action inside plant systems.

    Our Manufacturing Approach: Reliability and Consistency

    Years of hands-on production and trials taught us to refine processes, not just towards chemical purity but to guarantee each batch reflects the needed biological activity. Our Brassinolide products typically come as wettable powders or water-soluble granules, depending on crop and user preferences. Each form is designed for easy measurement, stable storage, and rapid dissolution in tank mixes. Our standard offering features a purity of at least 90%, which gives predictable outcomes in the field every time. Where strict residue requirements or international movement create compliance headaches, we step in with precise analytical controls. Our teams have studied feedback from farmers who saw inconsistent results with earlier-generation plant regulators, especially those imported without traceability. This direct connection to users pushed us to keep lot tracking, routine purity assays, and real-time support as core parts of our operation.

    The Science Behind Brassinolide’s Performance

    Growers usually want to know what sets Brassinolide apart from the more common regulators. In technical terms, Brassinolide influences both cell elongation and division, meaning that treated seedlings tend to develop stronger shoots and roots. At the leaf level, we have seen clearer signs of improved chlorophyll content and thicker cuticles, which translates to healthier, stress-resistant tissue. Evidence from controlled studies and side-by-side farm trials shows that Brassinolide acts at extremely low application rates, often just a few milligrams per liter. Few other PGRs—certainly not most auxin- or abscisic-acid formulations—can claim this sort of impact with such minor quantities.

    Inside our facilities, every lot is confirmed via HPLC, mass spectrometry, and bioactivity screens on test plants. That’s not just lab protocol—persistent customer feedback made it essential. Even subtle variations in crystal structure or trace solvents can create visible crop responses. From our experience, every extra step in quality control helps field results stay consistent, which builds trust with commercial and research farms alike.

    Practical Use in Fields and Greenhouses

    Brassinolide products reach their potential when applied at the right stage and concentration. On-site agronomists talk us through the timing and mixing practices that get the best bud initiation in fruit trees or shoot vigor in leaf vegetables. Over the years we’ve observed some universal habits among successful users: early-season sprays between seedling and vegetative growth, careful tank-mixing with micronutrients or compatible pesticides, and stick to recommended rates even when stress conditions tempt growers to “go heavier.” The wettable powder usually dissolves without clogging fine nozzles, and spot checks make sure sprays are uniform. Whether users are running overhead booms in greenhouses or handling tractor-drawn sprayers in open fields, feedback returns with similar advice—accurate dilution pays long-term dividends.

    Direct interviews with farmers, research plots, and industry extension agents convinced us to expand usage guidelines as new crops respond positively. In leafy greens, the response shows up as larger leaves and more robust root balls. In fruiting crops like tomatoes and peppers, we’ve seen stronger flowering, better fruit set, and resilience after hail or chemical injury. Several years ago, pioneering seed producers found value in treating nursery seedlings. Seedlings matured faster, and transplant shock dropped off. Growers working in climates with unpredictable rain or temperature swings found that stress recovery marked the major return on investment.

    How Brassinolide Differs from Other Plant Growth Regulators

    One question arises time and again: How is Brassinolide different from other options on the shelf? Many growers have tried gibberellic acid, indole acetic acid, or kinetin at some point. The difference we’ve documented comes down to function and selectivity. Brassinolide doesn’t create the dramatic stem elongation of gibberellins or the rooting surge of auxins. Instead, it nudges both vegetative and reproductive growth, keeps cells dividing and expanding, and cements overall plant structure. We regularly demonstrate that Brassinolide treatments increase tolerance to cold, drought, and salinity, while older PGRs are often tuned to a narrower set of benefits.

    One area where we see Brassinolide excelling is in crop stress responses. After heavy pruning, storm, or pest shock, our collaborators found that Brassinolide-treated plants rebound with new foliage and reduced leaf necrosis. Most classic regulators can’t compare in this department. For high-value horticultural operations—orchards, seed farms, specialty vegetable producers—the reliability matters more than theoretical gains on paper. Researchers visiting our demo plots bring up how Brassinolide complements, not replaces, other growth aids. This synergy, in our experience, sets it apart from the “one-size-fits-all” products.

    Environmental and Residue Considerations

    We understand that traceability and food safety drive modern farming choices. Our facility track the whole production path for every kilogram of Brassinolide, starting with raw materials certified for low background contamination. After synthesis and isolation, every batch goes through solvent and heavy metal checks. Typical application rates in the field are so low that independent residue studies show no risk of accumulation in harvested produce. Our in-house toxicology group, along with partners in accredited labs, backs up the assertion that Brassinolide degrades rapidly under sunlight and in soil.

    For export-driven growers, minimum residue limits call for hard data, not assumptions. Over the last several planting seasons, we partnered with exporters to run “zero residue” trials—including routine sampling and chain-of-custody reports—so that crops treated with our product clear customs in both Asian and European markets. Some clients shared stories of rejected shipments after using unknown-source PGRs. This highlights why verified sourcing protects the bottom line as much as yield.

    Field Feedback and Ongoing Dialogue

    Manufacturing Brassinolide connects us with users across climates and farming systems. Some of the biggest improvements arise from listening to people facing real constraints: labor shortages, unpredictable rainfall, tighter regulation, price volatility. Several years ago, citrus growers challenged us to find safer, more potent PGRs after old products brought uneven coloring or harsh chemical residues that prompted rejection at packhouses. Trials in partnership with growers shifted our focus from lab-only benchmarks to in-field observations—uniform fruit set, leaf turgor, better post-harvest shelf life.

    Translating these field lessons into better formulations led to tweaks in carrier agents and dispersants. For example, a shift to higher-solubility powder let us trim application time by over an hour per hectare in one trial. For greenhouse operations, where space and crop cycles are short, that saved time translated directly into tighter grower margins. The ongoing loop—manufacturer to farmer and back—pushes us to make tweaks far faster than the industry average.

    Regulatory and Compliance Landscape

    Our scale of operation means that we can adapt to ongoing regulatory shifts. National authorities, especially in Europe and North America, ask for extensive product documentation, production batch records, and environmental fate data. Early on, we realized that slow paperwork could endanger shipping schedules, so we integrated compliance tracking into our standard release protocol. Transport documents, full certificates of analysis, and any custom requirements move in parallel with the product itself.

    Rising interest in sustainable and “bio-based” farm inputs means we—not just regulators—field more technical questions about safety, breakdown, and potential overlap with organic standards. While Brassinolide is a synthetic analog, its low use rates and natural analogs in plant systems make it easier to integrate into many “reduced input” programs. We supply detailed application records and lab data for each lot shipped, matching traceability systems that retailers and fresh-market exporters want.

    Feedback from extension agents made clear that label clarity is more than a matter of box-ticking. Unclear instructions on older packaging led to some field crews mixing Brassinolide with incompatible tank partners, risking both performance and crop outcomes. We invested in clearer guidance and multilingual support thanks to direct feedback—not committee decisions or distant consultants.

    Supporting Grower Success: Training and Follow-Through

    Some of the best innovation happens off the factory floor. Field staff from our team travel alongside early-adopting growers to check results, answer questions, and diagnose challenges. Example: in regions with hard water, growers noticed solubility issues that threatened even spray coverage. Rather than pointing them back to generic tech sheets, we walked mixes in the field, adjusted buffer recommendations, and moderated application protocols until the results locked in.

    Seasonal shifts—sudden cold snaps, early drought, or late-season fungal pressure—drive many last-minute calls to our agronomists. We have seen that, compared with older PGRs, Brassinolide lets crops bridge over stress periods and return to full vigor. This gives both farmers and their buyers more predictability, which modern produce markets reward. Growers who value traceable inputs and strong after-sale support stand out in the market, and we see our job as building that foundation.

    From Factory to Field: Guaranteeing Integrity at Every Step

    We believe any effective PGR must reflect both precise manufacturing and a clear sense of the grower’s realities. Our Brassinolide production lines operate under constant verification: solvent-free standards, low moisture content, and stringent microbial controls. Real-world use rarely follows theory—unexpected tank mixes, high dust, variable pH, or leftover product in tanks. Learning from these conditions, we updated formulations to tolerate “messy” field conditions without losing activity.

    Because the product often moves through complex supply chains, our system marks and authenticates each shipment. For some key crops—high-value vegetables, orchard fruits, nursery seedlings—users demand extra paperwork and digital tracking to prevent substitution by low-quality blends. Fielding authenticity checks protects both our company and our customers from cut-rate imitations or diluted knock-offs.

    Listening and Innovating: Shaping the Future of Brassinolide

    Each planting season changes the list of challenges: sudden pest outbreaks, new government rules, higher costs for fertilizers and labor. Brassinolide will not replace the hard work of good cropping practices, but in our experience, it often unlocks returns above what basic fertilizer and watering can provide. By investing in dialogue with real users, observing field realities, and responding to regulatory changes, we refine each batch, label, and instruction. Every successful crop result feels like a shared victory—one that rests on years of science, careful batchwork, and the stories we hear from fields, greenhouses, and growers’ families.

    Practical Questions We Hear from the Field

    How should I time applications for best results? In our hands, field results improve when Brassinolide is applied at early vegetative stages and again during the reproductive switch for most fruiting plants. For perennial crops, post-pruning and after stress periods are critical windows. We recommend testing new regimes on small blocks before scaling to whole fields—patterns vary with seed variety, regional climate, and irrigation method.

    What about tank mixes? Local extension experts and our trial work agree: Brassinolide blends well with most micronutrients and non-alkaline pesticides, but real-life mixing order and dilution habits change outcomes. Some combos with copper-based fungicides reduce performance; our latest guidance spells out “safe pairs” so growers don’t risk a season’s worth of crop on a hunch.

    Can Brassinolide reduce chemical inputs or help with sustainable certification? Our view is pragmatic: Brassinolide helps crops use water and nutrients more efficiently, but can’t replace healthy soil, good rotation, or organic matter. Some certification schemes accept it, others require documentation showing no residue at harvest. We help customers provide that data when auditors ask.

    Closing Thoughts from the Factory Floor

    Manufacturing Brassinolide over many planting cycles has taught us that the best results arise when product quality and field practice evolve together. As a manufacturer, every batch we ship stands for the relationships we cultivate with those working hard on the land—season after season. Each story of rescued yield, saved seedlings, or improved market grade pushes us to keep improving and supporting growers. Our future plans focus on even better solubility, improved handling, and smarter guidance in the field. Direct contact with the people who rely on Brassinolide in the real world motivates our team to keep refining, listening, and delivering not just a chemical, but a solution growers trust.