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

Citracridone-I

    • Product Name Citracridone-I
    • Alias Pyricezdin
    • Einecs 957-320-6
    • 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

    184958

    chemical_name Citracridone-I
    molecular_formula C21H15NO4
    molecular_weight 345.35 g/mol
    appearance Yellow solid
    solubility Slightly soluble in water, soluble in organic solvents
    melting_point 262–264 °C
    source Isolated from Citrus species
    structure_class Acridone alkaloid
    CAS_number 105271-86-1
    UV_max 420 nm
    bioactivity Cytotoxic and antimicrobial activities

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

    Packing & Storage
    Packing Citracridone-I is packaged in a 25-gram amber glass bottle with a tamper-evident seal and detailed hazard labeling.
    Shipping Citracridone-I should be shipped in tightly sealed containers, protected from light, moisture, and incompatible substances. Transport according to applicable regulations for chemicals, ensuring appropriate labeling and documentation. Handle with care to avoid spills or exposure. Consult Safety Data Sheet for specific hazard classifications and ensure compliance with local, national, and international shipping guidelines.
    Storage Citracridone-I should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and sources of heat or ignition. Keep the container tightly closed and clearly labeled. Store separately from incompatible substances such as strong oxidizers and acids. Implement appropriate spill containment measures, and handle with care using suitable personal protective equipment to avoid exposure.
    Application of Citracridone-I

    Applications of Citracridone-I in Industrial Manufacturing

    Citracridone-I is a high-purity specialty chemical used across multiple industrial fields, primarily for its stability under harsh processing conditions and compatibility with regulated production workflows. As the original manufacturer, we supply Citracridone-I to key downstream sectors requiring controlled integration, traceability, and strong compliance documentation. Below, we provide detailed application profiles for real industrial uses.

    1. High-Performance Pigments in Automotive Coatings

    Automotive OEMs and refinishing plants favor Citracridone-I as a mid- to high-performance pigment ingredient, particularly for its resistance to photodegradation and chemical solvents in exterior coatings. Paint compounders dose Citracridone-I during the pigment dispersion phase, which must achieve precise chromatic strength and weathering metrics in compliance with vehicle manufacturer approvals. The additive supports metallic and solid-tone color recipes, streamlining integration within solventborne and waterborne automotive paint systems used throughout high-volume, automated finishing lines.

    Industry compliance standards

    • ISO 12944-6 (High Durability Coating Performance)
    • GMW3010 (General Motors Paint Material Specification)
    • REACH Annex XVII (Limitation of Hazardous Substances in Coatings)
    • RoHS Directive 2011/65/EU (for electrical/EV applications)

    Typical usage ratio

    • 0.5–2.5% by weight of total pigment solids; concentrations adjusted based on color shade intensity and opacity needs

    Downstream process integration

    • Added during milling/dispersing with base resins, before final letdown and paint filtration
    • Compatibility checks with acrylate, polyester, and polyurethane binder platforms

    Final product types

    • OEM car coatings
    • Aftermarket refinishing paints
    • Truck and bus exterior finishes
    • High-visibility trim and accent coatings

    2. Additive for High-Temperature Plastics Compounding

    Thermoplastic compounders use Citracridone-I to impart stable coloration in engineered plastics subjected to high processing temperatures or extended UV exposure. Its thermal resistance supports incorporation into engineering polymers such as PEEK, PES, polyamide, and polycarbonate. Manufacturers emphasize the need for color-fast pigments that will not decompose or migrate during compounding and downstream injection molding. Controlled dosing ensures batch-to-batch reproducibility and compliance with mandatory toxicological screening for automotive interior, aerospace, and electrical component applications.

    Industry compliance standards

    • UL 94 V-0 (Flammability Classification for Plastics)
    • ISO 4892 (Plastics—Methods of Exposure to Laboratory Light Sources)
    • REACH SVHC (Substance of Very High Concern list)
    • IEC 61249-2-21 (Halogen-Free Electrical Materials)

    Typical usage ratio

    • 0.1–1.0% by weight of resin; rate determined by polymer matrix and desired L*a*b* color values

    Downstream process integration

    • Metered directly into twin-screw extruder feed throat with other colorants and stabilizers
    • Mixing parameters set for dispersing fineness & thermal stability safeguards

    Final product types

    • High-heat automotive interiors
    • Aerospace plastic panels
    • Halogen-free electrical housings
    • Precision-injection molded connectors

    3. Colorant in Technical Textile Printing

    Industrial textile printers select Citracridone-I as a disperse dye for high-washfastness coloration in polyester, polyamide, and related synthetic fabrics. The dye enters the printing paste formulation stage, optimized for jet, screen, or rotary application, with a focus on coverage, sharpness, and compatibility with official fastness standards. End users in workwear, sportswear, and contract upholstery markets demand strict quality assurance backed by full batch traceability and conformity with global chemical substance restrictions.

    Industry compliance standards

    • OEKO-TEX Standard 100 (Textile Chemical Safety)
    • ZDHC MRSL v3.1 (Zero Discharge of Hazardous Chemicals)
    • EN ISO 105-X12 (Textile Colorfastness to Rubbing)
    • BLUESIGN® system partner chemical requirements

    Typical usage ratio

    • 1.0–3.0% based on weight of fabric, precise ratios determined by fabric type and print depth

    Downstream process integration

    • Dispersed with emulsifiers during stock preparation and applied before thermal fixation
    • Integrated into continuous or batch printing set-ups, with attention to migration control

    Final product types

    • Technical uniforms
    • Sportswear with high UV resistance
    • Contract interior textiles
    • Outdoor printed fabrics

    4. Pharmaceutical Analytical Reference Standard

    Certified laboratories and pharmaceutical manufacturers use Citracridone-I as a traceable analytical reference for method validation, calibration, and impurity profiling. The material functions in both HPLC and LC-MS systems for accurate assessment of related substances and stability-indicating assays. Full compliance with USP and Ph. Eur. monograph requirements ensures suitability for validated analytical methods in the development and release testing of APIs, intermediates, and drug product formulations, under rigorous GMP protocols.

    Industry compliance standards

    • USP <1225> (Validation of Compendial Procedures)
    • Ph. Eur. 2.2.46 (Chromatographic Separation Techniques)
    • ICH Q7 (Good Manufacturing Practice for Active Pharmaceutical Ingredients)
    • 21 CFR Part 211 (GMP for Finished Pharmaceuticals)

    Typical usage ratio

    • Typically 0.2–2.0 μg/mL in test solutions, adjusted per the sensitivity and calibration needs of each analytical method

    Downstream process integration

    • Weighing and dissolution performed inside controlled-classification QC or R&D labs
    • Integrated into routine batch release, method validation, and forced degradation studies

    Final product types

    • Pharmaceutical reference standards
    • API analytical kits
    • Certified impurity panels
    • Pharmacopoeia-compliant test solutions

    5. Performance Marker in Industrial Lubricant Additives

    Major lubricant formulators select Citracridone-I as a high-stability tracer and performance marker compound within hydraulic, gear, and compressor lubricant packages. Its chemical inertness under oxidative and thermal stress enables reliable batch dating, field identification, and anti-counterfeiting strategies. Integration of the marker compound occurs during the additive blending phase, followed by QC verification to ensure marker homogeneity and compliance with industrial lubricant testing standards.

    Industry compliance standards

    • ASTM D4485 (Engine Oil Performance Classification)
    • API Standard 1509 (Engine Oil Licensing)
    • DIN 51517 (Industrial Gear Oils requirements)
    • ISO 9001:2015 (Quality Management for Lubricant Manufacturing)

    Typical usage ratio

    • 0.01–0.10% by weight of the finished lubricant according to required detection thresholds and field marker visibility

    Downstream process integration

    • Blended with lubricant base stocks and performance additive concentrates prior to drum or pail filling
    • Subsequent in-line QC to verify homogeneity and marker recovery

    Final product types

    • Hydraulic oils with traceable batch identity
    • High-performance gear oils
    • Compressor lubricants
    • Aftermarket oil authenticity solutions
    Free Quote

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

    For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.

    We will respond to you as soon as possible.

    Tel: +8615371019725

    Email: admin@sinochem-nanjing.com

    Get Free Quote of Sinochem Nanjing Corporation

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    Citracridone-I: Raising the Bar in High Purity Organic Intermediates

    Introduction from the Chemists Who Built It

    In our laboratories, we put years of hands-on research into improving quinone derivatives, and Citracridone-I stands as a result of that dedication. As the original manufacturer, we look closer at raw material quality, product consistency, and user feedback than the brokers and resellers moving tonnage. Citracridone-I shaped up not just as another specialty chemical for formulations; it grew from a thousand careful pilot batches, benchmark analysis, and listening to what researchers, formulators, and plant operators struggled with in their day-to-day work. Citracridone-I’s reliability springs from the production line itself. At every stage, our staff catches even faint irregularities in crystallization or granulation. In other words, users don’t find surprises later in the process. The quality leaves the same port it had on the day we built it.

    Product Background

    Citracridone-I belongs to the family of citric acid modified acridone compounds. The chemical world knows its structure for providing a balance of oxidative stability and compatibility in organic syntheses. Most intermediate producers rely on outsourced or batch-purchased raw materials. We invested in a backward integrated route to ensure each batch starts with trace-verified starting chemicals. This matters for downstream operations. Every impurity profile tells a story. Our experience with coloring agents, UV-modified building blocks, and antioxidants let us eliminate those lingering micro-contaminants that can detour a whole campaign of pharmaceutical or pigment development.

    In many plants, Chemists mentioned batch failures and inconsistent spectra coming from previous quinone supplies with fluctuating impurity signatures. We recognized this as a direct result of source unpredictability and patchy QC. Citracridone-I grew from our drive to build better—repeatable, single-lot processes where gas chromatography and mass spectrometry would mirror each run. Our techs run side-by-side comparisons of each drum with certified reference spectra so no customer takes a leap of faith.

    Technical Specs Born from Real-World Demands

    Citracridone-I rolls off our lines at a purity exceeding 99.2% by HPLC, with trace metal content regularly checked against ICH Q3D and ECHA guidance. The crystalline form and narrow particle size range matter for users facing issues with unplanned sedimentation or binder misbehaviors in resin and ink applications. Over time, we saw developers fighting slow dissolutions and inconsistent concentrations, so we worked on surface modifications and anti-caking treatments during granulation itself, not after final drying. Citracridone-I gives users fewer headaches whether they work with high-shear mixers or gentle tumblers.

    Our roots run as much on safety as on performance. Citracridone-I batches are not handled with out-of-date open-pot crystallization. We standardized closed-loop drying under inert gas, reducing worker exposure and the risk of peroxide formation. Easing downstream handling, our formulation reduces dust-off and clumping—a frustration for any operator with a silo or hopper.

    How It Performs in Application

    The original focus for Citracridone-I was in the synthesis of advanced pharmaceutical intermediates. Over time, its direct utility in pigment, resin, and specialty polymer factories gained hold. Technicians turn to it because the chemical backbone resists aggressive nucleophilic attack and hydrolysis while maintaining reactivity where it counts: coupling and condensation stages. Over the years, we worked with teams fine-tuning the best solvent blends to unlock Citracridone-I’s capacity to build high-yield heterocyclic cores. We ghostwrite fewer troubleshooting reports now, because product loss and filter fouling dropped sharply after customers made the switch to our formulation.

    One case stands out: a partner in the flexible electronics sector watched conversion yields tick up three percentage points, without tweaking their catalyst or temperature settings. Citracridone-I’s consistent lot-to-lot composition made their projections finally match outcomes, reducing painful cycle-to-cycle revalidations. In pigment manufacturing, process managers speak to us about much-improved batch color reproducibility, less cleanup, and fewer downstream complaints related to haze or over-wetting.

    How Citracridone-I Compares to Other Options

    Most off-the-shelf quinone or acridone intermediates float onto the market from traders, not actual builders. The end user gets product relabeled multiple times before arriving at their facility. Packages often lack live traceability or direct technical support if something goes awry. Factory-direct Citracridone-I changes this dynamic. Every drum we ship carries data matched to the original run file: not a photocopied COA, but the batch sheet and analysis that our own QC staff sign off on before the fork truck moves a pallet out the door.

    You will find competitors offering so-called “high purity” acridone or mixed-quinone products, often made by basic oxidation with permanganate or chromate. Our methods use an oxygenated, metal-catalyzed oxidative pathway in controlled atmosphere reactors. This brings predictable impurity profiles with lower residual organics, translating into higher actual yields and less need for after-treatment of finished goods. Years ago we encountered widespread phthalate contamination and endotoxin carryover in market samples sent for comparison. Instead of adding another filter step, we re-engineered the crystallization phase to drive these side products out by design.

    Other quinones tend to be produced for either bulk dye or generic technical applications. Citracridone-I targets specialized, higher-value applications on purpose. We run small production campaigns so the risk of cross-contamination from unrelated chemistries stays as low as possible. Most large-volume suppliers must choose between fast throughput and tighter QC; we favor quality by supporting a slower, segmented processing window and exhaustive residue sampling. This lets our partners operate with fewer surprises and less back-and-forth on batch deviations.

    Production Mindset—What Sets Our Methods Apart

    Our chemists never lock the process in place just to streamline the next month; we tinker at the bench, up-scale, and tweak parameters to find yet-unseen gains. This habit comes from a stubborn tradition rooted in bench chemistry: listen to both the metrics and the mistakes. Raw materials never arrive here unchecked. Every solid, every reagent, and each liter of solvent faces scrutiny for trace contamination, moisture content, and colorimetric purity before entering the reactor. Customers don’t often see this part, but it shapes the outcome they feel on their end.

    As manufacturers, we field every complaint in detail—no passing the buck to a distributor or process consultant. A pigment blender called worried about light fade, discovered a batch aberration, and our staff backpacked raw granulate samples for a full week’s lab check to spot the glut. Feedback loops like this keep our improvements tied to actual customer stories. The manufacturing staff take direct pride in rolling out fixes that show up in the test data and the field.

    Ongoing Quality Control Practices

    We rely on primary batch analytics—infrared, Raman, and NMR spectra from every lot, and repeatable titration curves, not just for regulatory compliance but to root out drift over tens or hundreds of runs. Every bottle of Citracridone-I someone uncaps reads like a fingerprint from our production run—spanning color, flow, melting point, and solvency checks. If something falls outside the historical spread, the whole batch stops before ever reaching packing. This cuts into our immediate margins, but over years it pays out as fewer costly recalls or awkward process gaps for end users.

    Customers often ask about shelf life or storage quirks. We formulated Citracridone-I for extended bench stability, with robust packaging to block atmospheric oxygen and light. Some tailor their process rooms for temperature and humidity controls; we found Citracridone-I keeps as intended in standard dry, cool store rooms, showing no signs of caking or color drift even at seasonal temperature swings.

    Why Direct Manufacturing Keeps End Users Ahead

    Most global buyers never visit a plant. They trust suppliers by third-party promises, which can cost time whenever a process starts underperforming or a residue triggers an audit. By working straight from our facility, technical teams get targeted support. We share full particle size histories, solubility logs, and impurity profiles down to the detection minimum. Unfiltered feedback from real-world users pushes our R&D spending toward the things that break bottlenecks, not just the cheapest path to volume. This feedback loop rarely survives third-party chain trading; in the lab we listen, then return with solutions shaped for real pain points, not generic data sheets.

    Close cooperation with customers builds better understanding of process quirks—what slows a reactor startup, which dissolved ions linger more than expected, or what environmental controls counter a problematic byproduct. We fine-tune media and post-processing variables in partnership, taking the stress off remote procurement teams and freeing chemists to focus on invention, not troubleshooting.

    Industry-Specific Insights

    The pharmaceutical sector faces punishing standards on impurity carryovers, trace metals, and spectroscopic clarity. Here, our extra attention to initial raw material scrutiny and in-line QC means a lower risk of “rogue” contaminants pre-empting late-stage failure. Process chemists tell us that this brings sharper predictability and streamlines their regulatory validations—critical when timelines for new drug launches run in months, not years.

    In resin and pigment manufacturing, Citracridone-I’s physical morphology and consistent flowability cut down on metering errors and pigment settling, which often leads to expensive rework or shipment returns. It holds its color integrity throughout challenging temperature and pH swings during compounding, sparing operators from having to nurse batches to pass visual QC.

    Lab-scale researchers benefit from the unmatched purity, low cross-contamination, and availability of detailed technical files. We see this day-to-day in the requests for archived batch analysis and technical papers from our in-house team. The small-batch production mode we employ gives R&D chemists direct access to technical support—answering solvent compatibility puzzles, scaling tips, and process optimization with hands-on expertise rather than offsite call centers.

    Learning from History—Continuous Improvement

    We remember the years when quinones hit the market with broad impurity bands, GLC traces full of ghost peaks, and unpredictable shelf life. Too many products arrived with impurities from side-stream acids, under-oxidized feedstocks, or half-finished extractions from reused catalysts. This forced end users to wait out long validation processes, or suffer frequent reruns. By owning the whole process—from material acceptance test to final drum seal—Citracridone-I delivers reproducibly where patchwork supply chains can’t.

    Regulatory changes drive much of our improvement. Updates from regulatory authorities tighten allowed impurity levels or restrict certain oxidants and metals from processes. We invested in compatible catalysts and auxiliary reagents that skip banned or high-burden legacy chemistries long before law demanded. This forward approach saves downstream partners from scrambling after new rules take hold.

    Process automation, electronic logging, and continuous micro-analytics mean each batch learns from the last. We spot trends in color change, formation rate, and filtration performance weeks before they become field complaints. This lets us prevent trouble, not just respond after the fact.

    Responsible Manufacturing and Environmental Approach

    Sustainability comes directly from the factory floor. Our production lines filter and recycle solvents to a level that slashes hazardous waste volume by nearly half from the industry’s legacy average. Staff track minimal energy usage, switch pumps and dryers to high-efficiency models, and experiment with bio-based auxiliaries where possible. Customer sites, especially those chasing green credentials, benefit downstream when our product profile meets modern ecolabel criteria—they face less environmental reporting burden.

    We transitioned early to closed emission and wastewater recycling for our process, not just to beat fines, but because we saw solvent odors and drain output as both lost value and future headaches. You see this change in the broader acceptance of Citracridone-I by customers subject to global compliance rules—including the latest REACH and Californian legislations looking into organic intermediates.

    Final Thoughts: Building Trust, Batch by Batch

    Long-term reliability doesn’t show up in pricing tables. It appears in the nearly invisible details: every color test lined up across seasons, each impurity graph proving no batch drift, and customers missing fewer deadlines. We make Citracridone-I for partners who trust the solution must work, not just the paperwork. No labeler or third-party brander can build this kind of trust—we see it in the call-backs, the repeat orders for the same custom spec, the questions filled with real curiosity instead of frustration.

    In this way, we don’t just manufacture chemicals—we supply certainty. Our experience with Citracridone-I reminds us each week that the conversation between factory and end user matters as much as the process inside the reactor. So while spec sheets and analytic data sit ready, it’s the story built from each campaign of Citracridone-I that our customers return for. The compound works as designed and lets innovators in every field build something new, batch after batch, with no unwelcome surprises.