Succinic Acid

    • Product Name: Succinic Acid
    • Alias: Amber Acid
    • Einecs: 204-686-4
    • Mininmum Order: 1 g
    • Factroy Site: Yudu County, Ganzhou, Jiangxi, China
    • Price Inquiry: admin@ascent-chem.com
    • Manufacturer: Ascent Petrochem Holdings Co., Limited
    • CONTACT NOW
    Specifications

    HS Code

    566239

    Chemicalname Succinic Acid
    Chemicalformula C4H6O4
    Molecularweight 118.09 g/mol
    Casnumber 110-15-6
    Appearance Colorless, odorless crystals
    Meltingpoint 185-187 °C
    Boilingpoint 235 °C (decomposes)
    Solubilityinwater 58 g/L at 25 °C
    Pka1 4.21
    Pka2 5.64
    Density 1.56 g/cm³
    Odor Odorless
    Synonyms Butanedioic acid
    Refractiveindex 1.558
    Flashpoint 206 °C

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

    Packing & Storage
    Packing Succinic Acid is packaged in a sealed 500g amber HDPE bottle with a secure screw cap, labeled with product details and safety information.
    Shipping Succinic Acid should be shipped in tightly sealed containers, protected from moisture and incompatible substances. It is typically packed in polyethylene-lined bags or drums. Store and transport in cool, dry conditions. Ensure compliance with relevant shipping regulations. Avoid exposure to heat and direct sunlight. Not classified as a dangerous good for transport.
    Storage Succinic acid should be stored in a tightly closed container in a cool, dry, and well-ventilated area. Keep it away from moisture, strong oxidizing agents, and direct sunlight. Ensure containers are labeled and protected from physical damage. Proper chemical storage cabinets or shelves designed for acids are recommended to prevent accidental spillage or contamination.
    Application of Succinic Acid

    Applications of Succinic Acid in Industrial Manufacturing

    Succinic acid serves as a key intermediate in numerous industrial value chains. As a chemical raw material manufacturer, we focus on precise integration into downstream sectors. The following sectors demonstrate real-world applications, regulatory demands, typical integration ratios, and end-use product formats.

    1. Biodegradable Polymer Production

    Manufacturers in the polymer sector rely on succinic acid as a diacid monomer for the synthesis of polybutylene succinate (PBS) and its copolymers. The material enters direct polycondensation reactions with glycols, where purity and controlled particle size affect polymerization rates and mechanical properties of finished resins. Customer specifications demand adherence to purity and moisture control during delivery, and batch consistency impacts end-product certification for compostability.

    Industry compliance standards

    • EN 13432 (Compostability of packaging materials)
    • ASTM D6400 (Compostable plastics standard)
    • ISO 17088 (Specifications for compostable plastics)
    • Quality Management: ISO 9001 audited batch traceability

    Typical usage ratio

    • Monomer incorporation typically at 50 mol% in PBS polymerization
    • Ratio adjusted ±3% by desired molecular weight, application, and plasticizer content requirements

    Downstream process integration

    • Charged to polyesterification reactors with butanediol in a controlled molar ratio for direct melt polycondensation
    • Pre-dried to <0.1% moisture before dosing into continuous polymer lines
    • Feeds pelletizing, extrusion, or film-casting equipment at polymer producers

    Final product types

    • Film-grade PBS resin pellets
    • Injection molding granules
    • Compostable bags and agricultural mulch films
    • Biodegradable disposable cutlery and tableware

    2. Food and Beverage Acidulant

    Food processing companies use succinic acid as an acidulant and flavoring agent in specialized applications such as beverages, seasonings, and processed seafood. Quality requirements stress food-grade compliance, traceability, and documented origin. Sensory attributes like sourness intensity and aftertaste depend on exact dosing, so the supply chain requires reproducible granulation and solubility profiles to prevent formulation inconsistencies during scale-up or continuous blending.

    Industry compliance standards

    • FCC (Food Chemicals Codex) specification compliance
    • GB 1886.193-2016 (China Food Additive Standard - Succinic Acid)
    • 21 CFR 184.1091 (U.S. FDA - Direct food additive regulation)
    • ISO 22000 certified food additive handling

    Typical usage ratio

    • 0.05–0.15% w/w in beverage flavoring formulations
    • Up to 0.8 g/kg in savory seasonings and snack coatings, adjusted for pH targets and local legal limits

    Downstream process integration

    • Dosage to blending tanks as part of pre-mix for beverages or sauces
    • Dry blending into seasoning powders before packaging
    • Wet addition at marination step in processed meat or seafood lines

    Final product types

    • Non-carbonated and carbonated drinks
    • Instant noodle seasoning sachets
    • Processed shellfish, such as crab sticks and fish cakes
    • Ready-to-eat savory snacks

    3. Pharmaceutical Intermediate

    API manufacturers use succinic acid in the synthesis of active pharmaceutical ingredients and salt forms—to optimize solubility, stability, or bioavailability. It enters controlled reaction environments, meeting GMP-origin and impurity profile demands. The acid is also critical in producing succinate buffers in bioprocessing. Precise grade and particle size are required to avoid process interruptions at reactor charging, filtration, or crystallization stages, with continual analytical verification along the process chain.

    Industry compliance standards

    • USP–NF / EP monograph for pharmaceutical-grade quality
    • ICH Q7A GMP guidelines for API manufacturing
    • FDA cGMP regulations (21 CFR Parts 210/211)
    • Pharmacopoeia of Japan (JP) for regional requirements

    Typical usage ratio

    • Stoichiometric to amines in salt formation (typically 1:1 molar ratio)
    • Buffer solutions: 20–50 mM concentration in injectable and fermentation-grade solutions

    Downstream process integration

    • Direct addition to salt formation or crystallization batch with specified particle size distribution
    • Wet granulation lines in API production
    • Compounding unit operations for buffer solutions in injectable drug manufacturing

    Final product types

    • Succinic acid active pharmaceutical ingredient (API) salts
    • Injectable antibiotic or analgesic formulations
    • Bioprocess buffer concentrates for monoclonal antibody production

    4. Metal Plating and Surface Treatment Chemicals

    Coatings and metal finishing formulators use succinic acid as a chelating agent and pH regulator. In electroplating, it assists in controlling metal ion dissolution and bath stability for specialty alloy deposits. Industrial requirements center on iron, chloride, and nitrate impurity limits, as trace contaminants can lead to plating defects or deposit roughness. Batch certificates must specify heavy metal content to allow customer QA traceability and regulatory audits.

    Industry compliance standards

    • RoHS (Restriction of Hazardous Substances) for plating chemicals
    • REACH registration and SDS conformity
    • Quality conformance to ISO 14001 environmental system
    • ASTM B322 (Cleaning solutions for electrodeposition)

    Typical usage ratio

    • Bath concentrations from 2–12 g/L, tuned for specific alloy or substrate
    • Chelating mixture: up to 15% v/v for mixed-acid metal cleaning baths

    Downstream process integration

    • Charged to plating baths during tank make-up or maintenance cycles
    • Added to pretreatment cleaning stations for aluminum or brass before plating
    • Formulated into proprietary additive packs delivered to plating facilities

    Final product types

    • Corrosion-protected metal parts (electronic connectors, automotive fittings)
    • Decorative plated components (consumer electronics housings)
    • Surface-activated parts for heavy industry machinery

    5. Alkyd Resin Manufacturing for Coatings

    Industrial resin producers incorporate succinic acid as a modifying dicarboxylic acid in alkyd resin synthesis. The reactor system requires continuous feed of dried acid with specific free water and ash content, ensuring smooth esterification with polyols and fatty acids. Substitution levels are subject to varying oil lengths and final hardness targets, and the batch delivery must display consistent acid value for seamless integration into multi-tonne resin production lines.

    Industry compliance standards

    • ISO 12944-5 (Performance standards for protective paint systems)
    • EPA VOC content restrictions
    • China HG/T 2527 for alkyd resins
    • ISO 9001:2015 for manufacturing consistency

    Typical usage ratio

    • 5–18 mol% of total dicarboxylic acid content in alkyd synthesis, adjusted for desired flexibility and hardness
    • Oil length and alcohol type influence the final ratio

    Downstream process integration

    • Added to the esterification reactor with fatty acids and polyol (glycerol or pentaerythritol)
    • Fed in controlled lots to match reaction kinetics and batch consistency
    • Melt blended for short, medium, and long-oil alkyd finishes

    Final product types

    • Protective and decorative paint binders
    • Industrial anticorrosion coatings
    • Automotive and machinery primers
    • Wood varnishes and lacquers

    6. Leather Tanning and Processing

    Leather manufacturers utilize succinic acid in neutralization and retanning stages. The material modifies hide structure, influencing softness and dye uptake in finished leathers. Processing plants require accurate supply of free-flowing, low-chloride grade acid, to avoid dye bleeding or uneven finishing. The acid is typically dosed into water drums after basic tanning, and subsequent washing steps remove excess to ensure regulatory pollutant limits discharge in wastewater.

    Industry compliance standards

    • REACH compliance for chemical use in leather articles
    • ZDHC Manufacturing Restricted Substances List
    • ISO 14001 for environmental management
    • Occupational safety per ISO 45001

    Typical usage ratio

    • 0.2–1.5% of hide weight during neutralization and retanning; determined by grade requirements and chemical compatibility

    Downstream process integration

    • Added during drum neutralization step before retanning
    • Adjusts bath pH for chrome and synthetic tanning lines
    • Supports dye penetration in colored leather production runs

    Final product types

    • Automotive-grade upholstery leather
    • Shoe and boot upper leathers
    • Leather goods for fashion and accessories
    • Industrial protective leather gear

    Free Quote

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    Certification & Compliance
    More Introduction

    Succinic Acid: A Closer Look from the Manufacturer’s Workshop

    Trusting the Roots of Succinic Acid Production

    Each day in the chemical plant brings its own set of challenges. Over decades, the production line for Succinic Acid has taught us one strong lesson: clear processes and an eye for batch consistency mean everything in this business. Succinic Acid plays a key role in many industries, so a factory like ours takes pride in building a dependable supply chain from raw material sourcing to the last stage of packaging.

    Sometimes customers ask what sets this Succinic Acid apart from others they see on the market. You hear buyers mention quality, price, or just availability in peak seasons, but for us, the real difference centers on reliability. Each batch must match a tight set of specifications—not just to make life easier for formulators, but because even a slight drift out of range can have downstream effects, especially for sensitive end uses.

    Succinic Acid isn’t a fancy commodity. Rather, it’s a straightforward engine-room chemical, but our process focuses on purity, traceability, and open communication. We turn out technical grade and refined models, checked for sulfur, chloride, iron, and heavy metals. Some grades are nearly colorless, while others have a faint yellow tone, based on how we refine or the customer’s request.

    Why Succinic Acid Matters for Us and for You

    Manufacturing Succinic Acid is neither a sideline nor an experiment. We keep our line focused and respect the craft in the details. In pharma and food, buyers push for benchmarks like FCC or BP standards for purity; in polymers or resins, the discussion turns to reactivity and particle size; newer demands come up from bio-based plastics, and those wish lists bring their own routes of synthesis and purity checks. For every type, one fact holds: no shortcuts stand up to regular third-party audits and our own round-the-clock controls.

    Unlike traders or re-baggers, we watch the chemistry as it happens. The process, often drawing from petrochemical or bio-fermentation routes, starts with a tight hand on input selection. Mixing, crystallization, purification—each step matters, especially when batch records and trace analysis keep doors open for our buyers. Succinic Acid can’t show up with unexpected by-products or outlier pH values if someone’s formulation or regulatory audit is on the line. That’s a lesson we’ve learned from feedback during plant visits and audits, not just from spreadsheets or sales reports.

    Some clients seek consistent crystal sizes for compounding or blending. A clean, white powder suits pharmaceutical and food processes, where color or odor are under close scrutiny. Others value larger or more granular cuts, especially in fermentation feedstocks or agricultural water treatments. Our plant keeps all these shapes and purity targets in line because the real-world needs push us to adapt without drifting from safety standards.

    Specifications Built for Traceability

    Each drum rolling out of the warehouse has its lot number and production history for a reason. In our experience, even small process changes can show up months down the line. Purity isn’t an abstract concept. A few ppm of an unwanted impurity can block a resin’s performance or show up in an HPLC test. From our benches, purity means repeated GC, LC and titration checks through the process, and a full analysis at dispatch.

    For pharmaceutical grade product, we often target purity above 99.5 percent with low moisture and ash. Key trace metals—lead, iron, arsenic, mercury—drop beneath regulatory flags. Organoleptic properties aren’t just checked by instruments; seasoned operators inspect appearance and smell batch by batch. That sets technical confidence for food and health customers. Technical grade products serve more forgiving applications and may carry more water or trace impurity, but only after confirming these don’t drift out of their target use.

    Some buyers request a tighter mesh size or bulk density, like those compounding resins for automotive or electronics; others want high-purity grades with ultralow color and pH certainty. Years of working with these requirements bring a respect for the realities of their manufacturing needs. The difference between a product stuck in customs and a shipment that rolls through rests on these details. Our focus is on keeping documentation tight, so that every test result matches both in-house labs and third-party confirmation.

    Understanding Application Needs from Ground-Level Experience

    Succinic Acid does not just move as a raw material. In our daily work, we see customers use this acid in a spread of industries—ranging from straightforward pH adjustment in water treatments to complex steps as an intermediate for specialty chemicals. When it comes to food and beverage, Succinic Acid finds its way in as an acidulant or flavor enhancer. Our food-grade lines keep contaminants and cross-contamination risk off the table. End users in candy or beverage plants don’t field calls over unwanted flavors or aftertastes if process control is tight.

    For polymer resins and plasticizers, formulators require material that reacts evenly. Large and uneven crystals can slow down melting or mixing, so our crystal controls from centrifuge through drying get extra care. The difference in product behavior often comes down to how uniform our process remains, especially when clients have switched to or from competing products. Experience tells us that cutting time on drying or skipping a re-crystallization might look efficient upfront, but costs much more in returns, rejections, and customer headaches down the road.

    Pharmaceutical or nutraceutical manufacturers want Succinic Acid that lines up to compendial requirements. Their questions go past just chemical assay: they press for evidence on solvent residues, trace metals, and microbiological controls from the production site. Having an open-door policy for audits—whether for local cGMPs or major global regulatory benchmarks—acts as its own guarantee for those on the receiving end.

    Agriculture brings its own view on Succinic Acid. It goes out as a biostimulant or part of fertilizer cocktails, encouraging root growth or acting in seed coatings. Technical buyers look at solubility and compatibility with other tank-mix products. We supply special lots on request for these uses, and support data with field feedback, not just lab numbers.

    Factory Perspective: Keeping Supply Chains Resilient

    Factories like ours face their own set of external pressures. Fluctuations in raw materials—from petro-based feedstocks to bio-fermentation sources—are something we don’t just watch; we live with them every month. Price spikes, transport hurdles, and changing regulatory landscapes keep the operations team learning new workarounds. Relying solely on one source for starting materials brings risk, so we push for diverse and verified suppliers. If a storm interrupts one regional pipeline, or a shipment of glucose gets delayed, every plant downstream feels it. Having a tight grip on local and international suppliers, and checking every incoming load for quality, has helped us keep commitments real even in volatile times.

    Stocking finished Succinic Acid demands both space and trust in your batches. Inventory managers know how to balance shelf life, especially for higher-purity food or pharma grades that need rotation and steady checks for moisture. We track batch ages and retain reference samples in case something pops up months later. Once we ship, it’s not the end—returns or complaints mean pulling up batch histories and shipping logs, and working with logistics to resolve errors at their root.

    Reliable labels and packaging mean more than glossy branding. Hard drums or bags need to keep humidity out, but the inner lining and closure options can’t react with the acid or its dust. We’ve refined packaging over years, switching suppliers and adapting to client packing lines and unloaders. The best packaging solution isn’t universal—a water treatment plant loading Succinic Acid into big silos faces different risks than a pharmaceutical lab using single-use sterile pouches.

    Succinic Acid vs Other Dicarboxylic Acids: What Makes the Difference?

    Chemists often ask how Succinic Acid compares to similar chemicals—like Adipic or Fumaric Acid. From where we stand as a manufacturer, each carboxylic acid brings unique physical and chemical handleability, and end use cases rarely overlap as much as theory suggests. Succinic Acid’s balanced acidity gives it a more moderate profile than Oxalic or Citric Acid, which prevents too rapid shifts in solution pH. For compounders seeking a steady buffer in formulations, Succinic Acid avoids aggressive corrosion or over-acidification.

    Compared to Adipic Acid, Succinic Acid dissolves more easily in water at room temperature, making it a better fit for fast-dissolving products or direct blending in liquid systems. Fumaric Acid offers strong sourness for food but can cake or show lower solubility, while Succinic Acid flows and dissolves without sticking in humid environments. For plasticizer synthesis or antimicrobial blends, the shorter carbon chain brings unique reactivity—reflected back in customer feedback, especially around resin curing rates or clean-up in mixing tanks.

    From a processing viewpoint, Succinic Acid’s more moderate melting point (around 185°C) and its neutral odor simplify storage and handling. Worker safety teams appreciate handling routines that require less respiratory or acid exposure planning, cutting down on workplace incidents and simplifying PPE needs. Our package labels carry clear handling advice because even a familiar acid brings risk when scaled past the lab.

    Industry speculators sometimes claim that similar acids can substitute for each other freely. Experience tells a different story. For food, each acid brings unique flavor notes and aftertaste, so switching can throw off product launches or consumer acceptance. For technical formulations, the exact solubility and reactivity curves matter more than general chemical class. Constant communication with end users keeps us in check, but it also means documenting every run and keeping the batch logs accessible.

    Achieving Consistency: Operator Knowledge and Process Controls

    Every day in the plant, operators make the call on batch adjustments based on their insights and past runs. Investing in staff knowledge and ongoing training gets overlooked by outsiders but stands as the difference between steady quality and expensive mistakes. We keep operators in the loop about downstream feedback and customer returns. Teams running night shifts in crystallization know what a subtle color drift can mean for a high-purity grade headed to Japan or Europe.

    Real improvements came when we moved from manual titrations to automated HPLC and in-line analyzers. Now, in-process deviations get caught faster, cutting rework and saving on wasted raw materials. But technology alone doesn’t guarantee outcomes. Operator experience guides every decision to reprocess, scrap, or tweak crystallizer temperature profiles. Sharing success stories from long-term employees helps build a common culture of quality—much more than slogans or charts on a conference room wall.

    Production lines don’t sit still. We keep our process under review—always looking for a better way to save on solvents or energy, minimize waste streams, and cut process time without raising defect rates. Years spent on lean projects and third-party audits drive home the lesson that consistency flows from process discipline and honest reporting, not one-off heroics or guesswork.

    Strengthening the Safety Chain from the Shop Floor

    No operator ignores the reality that accidents set back trust built over years. We keep updated protocols on every transfer, heating step, and packaging run. Weekly safety briefings and regular PPE drills remind everyone that even a well-known product like Succinic Acid brings hazard if care drops. When new regulations hit, we act early—rethinking dust extraction, fire control, or chemical compatibility logs before inspectors make the rounds.

    Clients value transparent conversation about safety. Technical sheets and customer visits beat glitzy presentations. A mistake in venting or unloading leads to insurance headaches and lost time, but detailed records and direct phone access with clients cut back the confusion. Every new customer visits or audits the plant, and our team walks them through the routine. Some partners have worked with us for years, and that trust builds from shared knowledge—not from paperwork or branding alone.

    A clean audit or spot inspection always reflects months of internal checks and worker initiative. We share incident reports openly in team meetings and fix root issues instead of bandaging symptoms. That’s become our way to avoid repeats and build client confidence that doesn’t fade with staff turnover.

    Listening to End Users: Continuous Learning and Adaptation

    As a direct manufacturer, we stay in touch with end users, not just mid-stream buyers. Returning customers and technical site visits tell us more than annual sales charts. When a new start-up in bioplastics shares production headaches, or a food company flags a flavor drift, real learning happens. Process tweaks in our own plant, based on that user feedback, have driven many technical changes over the years—from filtering upgrades to downstream washing tweaks that save time and water.

    Test batches and co-development projects bring us into new markets, but also test our process stability under real-world scenarios. No matter how familiar Succinic Acid appears on paper, every application sets its own expectations. We match our technical staff to client questions in detail, not shuffling generic emails or avoiding tough requests. If we can’t meet a specification or modification, honesty up front beats lost trust after delivery.

    Maintaining transparency in batch variability, shipping lead times, and potential risks—such as shipping delays or process interruptions—brings more trust than over-promising. We are always ready to troubleshoot, supply samples, and provide full certificates of analysis, including historical comparison against previous batches for large, ongoing users.

    Succinic Acid—Shaped by Generations of Production Practice

    Through countless process shifts, changing market demands, and competitive pressure, Succinic Acid’s value inside manufacturing circles continues to grow. Our experience on the ground floor shows buyers want more than chemical purity—they seek confidence in each delivery, honest troubleshooting when things break down, and clear facts when audits or recalls arise.

    Our sense of stewardship reaches beyond product sheets and into every link of transport, documentation, and customer dialogue. Setting up dual lines, prepping for seasonal demand surges, or investing in plant upgrades for greener technology—these moves rest on real trends sourced from end user needs. If regulatory flags rise or new benchmarking standards take hold, we move early to stay ahead.

    We take pride in Succinic Acid not as just another chemical commodity, but as a product shaped by the people, equipment, and values behind its manufacture. That consistency keeps doors open—across continents, industries, and generations of our own workforce.

    Whether used in food processing, specialty polymers, pharmaceuticals, or new-wave green chemistry, Succinic Acid from a committed, experienced manufacturer stands as a partner in every client’s success. Each batch represents a shared commitment to safety, reliability, and forward-thinking adaptation in a rapidly changing chemical world.

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