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Citral Acid Isomerized

    • Product Name Citral Acid Isomerized
    • Alias Isomerized Citral
    • Einecs 917-620-3
    • 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

    816931

    chemical_name Citral Acid Isomerized
    cas_number 514-90-5
    appearance Clear yellow to orange liquid
    odor Lemon-like, citrus aroma
    molecular_formula C10H16O
    molecular_weight 152.23 g/mol
    solubility Insoluble in water, soluble in alcohol and oils
    boiling_point 229°C
    density 0.888 g/cm³ at 25°C
    refractive_index 1.490 - 1.495
    flash_point 92°C
    stability Stable under recommended storage conditions
    purity Typically >95%
    storage_conditions Keep in tightly closed container, store in cool, dry, well-ventilated place

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

    Packing & Storage
    Packing Citral Acid Isomerized is packaged in a 1 kg amber glass bottle with a secure screw cap and chemical-resistant labeling.
    Shipping Citral Acid Isomerized should be shipped in tightly sealed, corrosion-resistant containers. Store and transport in a cool, dry, well-ventilated area away from heat, sparks, and incompatible substances. Ensure containers are clearly labeled and compliant with local and international regulations. Handle with care to prevent leaks or spills during transit.
    Storage Citral Acid Isomerized 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 protected from moisture. Store separately from incompatible substances such as strong oxidizers and acids. Ensure that storage areas are clearly labeled and comply with relevant safety regulations for hazardous chemicals.
    Application of Citral Acid Isomerized

    Applications of Citral Acid Isomerized in Industrial Manufacturing

    From the perspective of a chemical raw material manufacturer, isomerized citral acid supports precise formulation and industrial-scale processes in targeted sectors. Our production expertise ensures high-quality supply for intensive application requirements across key value-added segments.

    1. Fragrance and Aroma Compound Synthesis

    Major fragrance houses use isomerized citral acid to synthesize critical aroma intermediates including ionones and methyl ionones. These intermediates serve as base notes and modifiers in fine fragrance compounding, where stability, aroma accuracy, and color neutrality are crucial. Chemists favor isomerized citral acid due to its reliable conversion rate, minimal by-product profile, and consistent performance under varying catalytic conditions. Precision handling during Fischer esterification, hydrogenation, and cyclization steps enables optimization of output and waste minimization.

    Industry compliance standards

    • IFRA Standards for Fragrance Ingredient Integrity
    • European Union 1223/2009 Cosmetics Regulation
    • USA Food and Drug Administration (FDA) 21 CFR 172.515
    • REACH registration for chemical traceability

    Typical usage ratio

    • 5–15% by mass in initial reaction mixture
    • Ratio determined by ionone yield requirements and by-product management
    • Process development trials may adjust upwards for high-purity targets

    Downstream process integration

    • Pumped directly into reaction vessels during aroma intermediate synthesis
    • Controlled feedrate under monitored temperature and pressure
    • Integrated with catalyst addition and real-time product monitoring

    Final product types

    • Alpha and beta ionone
    • Methyl ionone
    • Synthetic violet and berry aroma compounds
    • Alcohol-based fragrance concentrates

    2. Vitamin A Acetate and Vitamin E Precursor Production

    Pharmaceutical and nutraceutical ingredient manufacturers utilize isomerized citral acid in the multi-step synthesis of retinoids, especially as a precursor for vitamins A and E. By controlling isomeric purity and acid value, manufacturers achieve consistent conversion efficiency during Grignard and acylation steps, minimizing process deviations. Tight regulatory demands for pharmaceutical actives require detailed batch-level monitoring throughout the production chain, supporting end use in high-purity human health applications.

    Industry compliance standards

    • USP Monograph for Vitamin A Acetate
    • EP (European Pharmacopoeia) standards for excipient quality
    • GMP: ICH Q7 Active Pharmaceutical Ingredients
    • FDA 21 CFR parts 210-211 for finished pharmaceuticals

    Typical usage ratio

    • 10–28% of the controlled reaction substrate mass
    • Ratio optimized based on retinoid yield and downstream purification requirements
    • Continuous adjustment based on efficiency and waste benchmarks

    Downstream process integration

    • Dosed into Grignard and subsequent condensation reactions
    • Inline acid monitoring for quality control
    • Integrated with multi-stage purification and solvent recovery cycles

    Final product types

    • Vitamin A acetate
    • Vitamin E (Tocopherol) intermediates
    • Pharmaceutical-grade carotenoids
    • Nutrient fortifiers for food and feed premixes

    3. Industrial Flavor & Food Additive Manufacturing

    Flavor houses and food ingredient plants rely on the acid isomerized form of citral to manufacture lemon, lime, and orange flavor components intended for beverages, confectionery, and dairy. Its high reactivity and clean sensory profile enable efficient downstream reactions to create flavor aldehydes and esters. Processing under food safety-certified protocols is critical, with strict control of contaminant introduction, allergenic byproduct generation, and flavor concentrate consistency.

    Industry compliance standards

    • FAO/WHO Codex Alimentarius, JECFA specifications
    • U.S. FDA 21 CFR 172.515 and FEMA GRAS 2306 for flavoring substances
    • FSSC 22000, ISO 22000 food safety management
    • EU 1334/2008 Flavorings Regulation

    Typical usage ratio

    • 3–9% in primary flavor base compositions
    • Adjustable based on desired lemon-lime intensity and product application (e.g., beverage vs. bakery)
    • Buffer systems modify ratio for pH-sensitive applications

    Downstream process integration

    • Directly metered during batch formulation of artificial flavor blends
    • Combined with stabilizers in emulsification stages
    • Final product filtered and tested for off-odor and purity parameters

    Final product types

    • Lemon, lime, and orange artificial flavors
    • Beverage emulsions
    • Bakery and confectionery flavor bases
    • Dairy dessert and yogurt flavorings

    4. Synthesis of Agricultural Chemicals (Pesticide Intermediates)

    Specialty agrochemical producers source isomerized citral acid for use as a key intermediate in the synthesis of certain modern pyrethroid analogs and pheromone-based crop protection agents. Its defined isomeric composition allows precise control over reactivity during ring closure and esterification stages, leading to reproducible yields of active intermediates. Adherence to local and international environmental, toxicology, and purity requirements forms a critical foundation for process scale-up and commercialization.

    Industry compliance standards

    • FAO/WHO pesticide specification guidelines
    • European Crop Protection Association (ECPA) standards
    • OECD Principles of Good Laboratory Practice (GLP)
    • China GB/T 1604-2013 Agrochemical Manufacturing Standards

    Typical usage ratio

    • 12–18% by weight per synthesis batch
    • Adjusted based on active ingredient target concentration
    • Tighter ratios for regulatory sample preparation

    Downstream process integration

    • Fed into alkylation and esterification reactors
    • Monitored for organoleptic changes and process yield
    • Byproduct separation conducted inline during purification

    Final product types

    • Pheromone lures for pest management
    • Pyrethroid and pseudo-pyrethroid precursors
    • Specialty agrochemical synergists
    • Biopesticide formulation actives

    5. Polymer Additive and Stabilizer Manufacture

    Specialty polymer compounders incorporate isomerized citral acid as a reactive intermediate during production of plasticizer additives and thermal stabilizers for polyvinyl chloride (PVC) and engineered elastomers. The controlled molecular profile supports targeted side-chain grafting and anti-yellowing additive performance. Precision addition during exothermic reaction stages improves product quality while reducing off-gassing during end-use application, meeting advanced standards for industrial packaging and automotive interiors.

    Industry compliance standards

    • RoHS (Restriction of Hazardous Substances) for polymer additives
    • EN 71-3 Safety of Toys—migration of certain elements
    • ISO 9001:2015 for quality management in manufacturing
    • ASTM D3421 and D1787 (PVC additive testing protocols)

    Typical usage ratio

    • 1.5–5% by resin mass for PVC and elastomer compounding
    • Ratio optimized for color retention and thermal stability targets
    • Experimental adjustment when new resin blends introduced

    Downstream process integration

    • Pre-mixed in additive masterbatch prior to extrusion
    • Bulk dosing during compounding and pelletization stages
    • Colorfastness and thermal aging tests performed during QC

    Final product types

    • PVC thermal stabilizer masterbatches
    • Plasticizer additive blends
    • Automotive interior polymer compounds
    • Flexible packaging films
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    Certification & Compliance
    More Introduction

    Citral Acid Isomerized: A Manufacturer's Perspective

    Understanding Citral Acid Isomerized—Beyond the Brochure

    Citral Acid Isomerized stands out in the world of aroma chemicals by offering more than a simple ingredient. Every batch walks out of our plant only after we get a consistent molecular profile—we aren’t guessing at what’s in the drum. For years, essential oils, fine fragrance, and flavor houses all knocked on our door looking for citral that didn’t go off-profile or break down in a few weeks on the shelf. Food producers asked us for precision: "It must blend clean, not change character." That core demand drove our work on isomerization, which shifts the naturally unstable structure of citral into something with more staying power and versatility.

    As a manufacturer, our focus leans less on ticking broad checklists and more on listening to the real problems formulators bring us. Many remember the headaches of using standard citral acid for flavoring in sodas, confections, or functional beverages. That raw lemony note softened with age and threw off taste panels. In fragrance, plain citral faded or grew woody, shortchanging top notes in citrus bouquets. These complaints nudged us to chase a targeted isomerization process, dialing in both geometric isomer ratios and side-product control. We do not gamble with composition, for both REACH and food compliance, but also because predictable chemistry builds trust.

    From Lab Bench to Reactor: Crafting the Right Isomer Ratio

    Technicians in our plant know the daily tension between output volume and strict analysis. We handle citral from the source, often steam-distilled from lemongrass or litsea cubeba, and guide it through our proprietary isomerization step. Here’s where manufacturing gets hands-on; we don’t outsource the process or leave it to distant tollers. Our model for Citral Acid Isomerized concentrates around controlling the balance of the geranial and neral isomers. The target isn’t just purity, but reliable proportion, since even minor shifts can throw off flavor or olfactory performance down the line.

    Early failures in the pilot reactor taught us how subtle conditions—temperature ramps, acid type, moisture levels—reshape the isomer spectrum. Over time, we built a specification that frontline formulators trust. Our regular output leans towards a geranial/neral ratio tailored for greater light and thermal stability, which in turn stretches shelf life in the finished application. Specification sheets commonly mention a minimum assay of 95% combined isomers, color index below .4, and acid value tuned to customer request, but the real test comes in continuous, scaled output. Instrument calibration, batch traceability, and solid batch documentation grew out of audits from leading food and fragrance multinationals, not just regulatory necessity.

    Real-World Applications and Lessons from the Field

    Look inside our production logbooks, and you will not find abstract talk about "aroma enhancement." Our clients speak straight: beverage blenders want a citral that locks in lemonade’s snap without pre-taste bitterness. Personal care formulators need top-note punch that survives through months of warehouse transit. In these sectors, Citral Acid Isomerized brings three things: flavor stability, dosage power, and lower off-note development. From decades of fielding calls about "odd metallic side notes" or "rapid fading," our tech team worked with downstream partners to tune antioxidant levels and refine filtration methods, shutting down recurring quality complaints.

    Manufacturers creating candy or RTD drinks hit shelf-life hurdles with standard citral acid, facing flavor drift under high-temperature processing. With isomerized citral, the molecular tweak bumps up resistance to decomposition, ensuring a cleaner, fresher experience for end users. Soap and detergent brands who chase lemony freshness learned that our process lets their formulas stand up to alkaline base—where cheaper citral would brown or lose its aroma sharpness in finished bars or liquids. If our samples didn’t meet pH stability demands, we went back to the drawing board, not the marketing department.

    What Sets Our Citral Acid Isomerized Apart

    Much of the marketplace remains flooded with generics—often bought up from spot traders or contract-packed under loose spec. As the original manufacturer, not a reseller or repackager, we care little for words like “premium” or “high grade” tossed around without accountability. For us, the mark of a true Citral Acid Isomerized rests on its behavior under stress: how does it hold up in retort processing? How does its characteristic scent persist during months-long storage? Can a bakery add it to icings and expect the same delicate zest after freeze-thaw cycles?

    Controlled isomerization converts soft, unreliable natural citral into a robust workhorse. The difference starts not just with purity, but by minimizing aldehyde by-products known to build off-odors. Our QA team samples output not only by GC assay, but by panel-tasting in actual food matrices and verifying in-house shelf-life studies. When a multinational beverage client walked us through their product cycle—from syrup blending to final PET bottling—we adjusted protocols to match their temperature and light exposure, refining the isomer mix for optimal fortitude. These adjustments grew from real conversations, not generic spec-sheet adaptation.

    Standards Compliance and Traceability

    No production line can skip over documentation. Regulators require lot-level traceability—not just box labels, but full logs showing raw material batch, process temperatures, and employee sign-off at each step. Our operations team builds and updates hazard analyses to flag any steps where by-product contamination or cross-reactivity could sneak in. Food-grade buyers in the EU or US lean on us to back every shipment with both a Certificate of Analysis and, when demanded, deeper impurity profiles, right down to class-2 solvent residue levels for natural product certification.

    In fragrance, certain global houses lean hard on us for IFRA compliance, demanding not only that our Citral Acid Isomerized avoids listed allergens but also stays clear of micro-impurities that can taint final compositions. Our internal audits tie raw citral origin with finished-goods labs. In peak demand seasons—lemon oil runs short some years—we forecast shortages early, run extra stability studies, and flag any parameter drifts for our open-book audit partners. Years on, these partnerships keep us honest—no hiding behind generic sample drums or spot buys offshore.

    Safety and Handling from an Operator's View

    Many descriptions skim over safety considerations, but on the factory floor, they matter. Citral Acid Isomerized flows through our reactor halls with clear, flagged piping and ventilated workstations. Acutely aware of its high vapor pressure, our teams wear proper PPE and monitor air quality at all open handling points. Spill drills aren’t theoretical; every worker trains multiple times a year in neutralization procedures. Our investment in closed drums with lined interiors cut down product losses and operator exposure, and careful labeling means downstream users know not just the contents, but the actual isomer distribution inside.

    Customers in food or personal care expect us not to ship a product that carries hidden hazards—so we run occlusion tests, check for residue heavy metals, and pull random samples for accelerated decomposition tests. These steps became part of our standard not from a checklist, but from walking site-to-site with buyer teams, answering tough questions first-hand. Some squint at small color changes or complain about minor haze in solution; we build in process steps to clarify and polish every shipment before final signoff.

    Performance Across Industries

    Picking a chemical ingredient usually involves more than ticking off assay and color targets. Beverage companies need flavor notes that withstand acid, light, and time. Confectionery and bakery shops see value in a lemon-lime flavor that holds up after sugar inversion and heating. Our Citral Acid Isomerized keeps its integrity not because we sell “unique chemistry,” but because we bring operator-level focus on lots, purity, and downstream practicality.

    Creativity in flavor and fragrance comes easier when formulators stop worrying about volatility loss or unwanted secondary flavors. One example—producers of fine fragrances often troubleshoot lost top notes in citrus-based colognes. This problem echoes with every call we get about needing sharper, longer-lingering brightness. Isomerized citral’s engineered profile stands up to the challenge, holding the desired aroma even as solvents flash off or as the product sits in retail channels for months. Soaperies, too, rely on citral that resists yellowing or dull notes after aging, reducing consumer complaints and product returns.

    Balancing Performance, Price, and Supply Chain Reality

    In chemical manufacturing, supply chain stability trumps empty promises. Many times, downstream users learn to their frustration that spot-market citral from traders rarely delivers steady quality from batch to batch. We build our Citral Acid Isomerized with full backward integration: not just resetting standard spec, but qualifying new natural citral sources as crop rotation and weather shift. Our technical team travels to origin countries during raw material seasons and helps shape post-harvest processing with local distillers, locking in stability and sustainability at the farm gate, not after a missed shipment.

    Price fluctuations hit faster in volatile years. As a direct manufacturer, we hedge by running longer production cycles, storing intermediate isomer solutions under inert gas, and releasing only once matching outgoing order specs. Food ingredient customers appreciate transparent forecast schedules: we alert users months ahead if global lemon or litsea supply faces a crunch, so they can qualify backup lots and bridge any temporary variation. Technical staff answer questions live—no hiding behind sales teams or faceless call centers—because our reputation travels with every barrel we send out.

    Closing Gaps: Customer Feedback and Continuous Improvement

    The most valuable intelligence walks through our doors daily as user feedback, and not all of it glows. When a bakery client flagged faint, unwanted metallic traces in finished goods during a hot summer, we traced the source to a condenser fouling early in a production run. That spurred an overhaul of our preventive maintenance calendar and a deeper, more frequent check of distillate contact surfaces. In another case, a leading beverage company pointed to flavor fade in their energy drink’s lemon top note after three months in PET. Instead of blaming storage, our R&D ran an extra panel on packaging compatibility and offered a slightly adjusted isomer ratio and antioxidant tweak, aligning the ingredient’s resilience with actual shelf-life targets. This cycle of real-time feedback to process improvement sits at the core of how we keep refining Citral Acid Isomerized—not as a static product, but as a dynamic ingredient.

    We invite challenging specifications and strange project requirements. As a manufacturer, we’ve learned that no two applications ask for the identical molecular fingerprint. Our ability to flex on isomer balance, acid number, and minor impurity control lets us supply industries as varied as soft drink, aromatherapy, air care, and culinary. Not every trial runs smooth, and a missed spec from one shipment becomes an internal case study for process change. The lesson from years of this work proves that chemistry only counts when it performs on the user’s terms, not ours.

    Future Directions: Responsiveness and Sustainability

    Citral Acid Isomerized development continues as demands rise for not only higher purity, but also greener and more ethical sourcing. Customers now expect proof that raw citral doesn’t draw from questionable labor or overexploited lands. Our sourcing program puts boots on the ground to review harvest practices, offer support to smallholder farmers, and sponsor sustainable certification efforts with leading agricultural NGOs. These aren’t just promotional stunts; they answer customer audits and regulatory filings, especially with conscious food and fragrance multinationals who need data back to field level.

    On the factory side, energy use counts as much as output. We spent several cycles upgrading process controls, heat exchangers, and solvent recovery systems. Every percentage point shaved off our internal carbon footprint feeds directly into client sustainability programs. We roll out routine environmental impact audits and open our sites to outside review from buyers or third-party assessors. If specifications change, if new contaminants show up in global testing regimes, we adapt without delay—sending out updated profiles and investigative reports, not just spec sheets.

    Direct Support for Long-Term Partnerships

    Having direct access to a manufacturer makes a difference. Many times, users come to us with urgent project pivots or market launches that need technical backup, documentation, or even rapid retooling mid-campaign. Our R&D and support staff become extension teams for these clients—helping troubleshoot, custom-fit batch specs, or expedite analysis to clear containers through tight regulatory windows. This collaborative model builds not just customer loyalty, but operational resilience. Mutual learning from end-use feedback steadily upgrades both product and process over the years.

    We remain clear-eyed about the challenges: agricultural input disruption, tightening food and cosmetic legislation, cost swings, and evolving consumer expectation for transparency. Our Citral Acid Isomerized remains shaped by this landscape. Our plant workers, chemists, and technical support folks each play a role in refining not just purity numbers, but how the product acts in the real world. Whether your operation crafts lemon-lime sodas, sharp-edged fine fragrances, soaps, air care sprays, or even specialty culinary products, Citral Acid Isomerized stands as an ingredient forged not by chance, but by persistent and practical manufacturing discipline.