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Acetaldehyde

    • Product Name Acetaldehyde
    • Alias ethanal
    • Einecs 200-836-8
    • 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

    726148

    Chemicalname Acetaldehyde
    Iupacname Ethanal
    Molecularformula C2H4O
    Molarmass 44.05 g/mol
    Casnumber 75-07-0
    Appearance Colorless liquid
    Odor Pungent, fruity
    Meltingpoint -123.5 °C
    Boilingpoint 20.2 °C
    Density 0.784 g/cm3 (at 20°C)
    Solubilityinwater Miscible
    Vaporpressure 740 mmHg (at 20°C)
    Flashpoint -39 °C (closed cup)
    Autoignitiontemperature 185 °C
    Refractiveindex 1.333 (at 20°C)

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

    Packing & Storage
    Packing Acetaldehyde, 500 mL, packaged in an amber glass bottle with a secure cap and hazard labeling indicating flammability and toxicity.
    Shipping Acetaldehyde should be shipped in tightly sealed, corrosion-resistant containers, away from heat, sparks, or open flames due to its high flammability. Transport in a well-ventilated area and label as a hazardous material (Class 3—Flammable liquid). Handle with care to prevent leaks, exposure, or accidental contact with oxidizing agents.
    Storage Acetaldehyde should be stored in a cool, well-ventilated area, away from heat, sparks, open flames, and direct sunlight. Store in tightly sealed, corrosion-resistant containers with proper grounding. Keep away from oxidizing agents, acids, and bases. Ensure containers are clearly labeled, and use explosion-proof equipment. Storage areas should have appropriate spill containment, and access should be restricted to trained personnel only.
    Application of Acetaldehyde

    Applications of Acetaldehyde in Industrial Manufacturing

    As a core upstream manufacturer of acetaldehyde, we supply this foundational chemical to a focused range of downstream industries that utilize its unique properties and reactivity in controlled, large-scale production. Each application relies on strictly managed formulation parameters, regulatory compliance, and advanced integration into high-throughput processing, supporting both global and regional quality benchmarks.

    1. Acetic Acid Industry

    Leading acetic acid manufacturers incorporate acetaldehyde through the Wacker and oxidation processes for high-purity acetic acid and its downstream esters. The integration directly impacts product yields and by-product minimization, especially where process control aligns with local and international food and chemical safety directives.

    Industry compliance standards

    • ISO 9001:2015 Quality Management
    • REACH Registration (EU Reg. 1907/2006)
    • Food Chemicals Codex (for food-grade outputs)
    • US FDA 21 CFR 184.1005 (for indirect food contact)

    Typical usage ratio

    • 85–95% molar equivalent relative to targeted acetic acid output; operators adjust based on feedstock quality and oxidation yield requirements

    Downstream process integration

    • Direct feed into the oxidation reactor after condensation, using controlled temperature and pressure in gas-phase or liquid-phase reactors

    Final product types

    • Glacial acetic acid
    • Acetic anhydride
    • Vinyl acetate monomer
    • Acetate solvents for food and pharmaceutical intermediates

    2. Pentaerythritol Manufacturing

    Pentaerythritol synthesis plants utilize acetaldehyde through a base-catalyzed cross-aldol reaction with formaldehyde, defining product purity and regulator compliance for coating resins and surface finishes. The feedstock integrity supports low impurity formation, optimizing downstream polyol characteristics for both industrial and technical-grade demands.

    Industry compliance standards

    • EN ISO 9001:2015 (Quality Management for chemical intermediates)
    • EU Regulation (EC) No 1272/2008 (Classification, Labelling and Packaging—CLP)
    • Certifiable under QC/SA14001/ISO 14001 (Environment Management in production)
    • U.S. EPA TSCA Inventory Listing

    Typical usage ratio

    • 35–42% by weight per batch, adjusted to maintain excess formaldehyde and manage conversion rates

    Downstream process integration

    • Continuous dosing into alkaline reactors with formaldehyde under atmospheric or slight pressure, followed by evaporation and crystallization

    Final product types

    • Pentaerythritol for alkyd resins
    • Polyurethane crosslinkers
    • Fire-resistant cable compounds
    • Synthetic lubricants base stocks

    3. Pyridine and Pyridine Derivatives Production

    Pyridine synthesis facilities rely on controlled acetaldehyde and ammonia feeds, often via one-pot processes with formaldehyde, under high-temperature catalytic conditions. The selection and dosing strategy of acetaldehyde play a critical role in minimizing non-target byproducts and meeting international purity and pharmaceutical precursor standards for the agrochemical and API sectors.

    Industry compliance standards

    • GMP Guidelines (ICH Q7 for pharmaceutical precursors)
    • FAO/WHO Pesticide Specifications (for agrochemical derivatives)
    • REACH compliance (EU)
    • ISO 9001:2015 (Quality System for bulk chemicals)

    Typical usage ratio

    • 18–24% by weight in the multicomponent feed mixture, adjusted to catalyst selectivity and targeted pyridine/isomer ratios

    Downstream process integration

    • Precise metering into fixed-bed or fluidized-bed catalyst reactors with ammonia and formaldehyde, followed by fractional distillation and purification

    Final product types

    • Pyridine for insecticide formulations
    • 3-picoline and 4-picoline for vitamin intermediates
    • Pharmaceutical-grade pyridine bases
    • Solvents for crop protection synthesis

    4. Peracetic Acid Production

    Specialty peracid plants formulate peracetic acid by controlled in situ oxidation of acetaldehyde in the presence of hydrogen peroxide and specialized catalysts. The batch concentration controls and feed schedules set by our acetaldehyde quality parameters are critical to reaching disinfection-grade purity, required by strict global regulation for food processing and hospital use.

    Industry compliance standards

    • US EPA FIFRA (Antimicrobial Active Substances Registration)
    • FDA 21 CFR 173.315 (Food Processing Aid)
    • EN 13697 (Chemical disinfectants—Bactericidal and fungicidal activity)
    • ISO 13485 (for medical disinfectant supply chains)

    Typical usage ratio

    • 20–23% by weight relative to the hydrogen peroxide mass; exact dosing set by target peracetic acid final strength (typically 15–35%)

    Downstream process integration

    • Direct introduction into batch reactors with chilled hydrogen peroxide, followed by monitored oxidation, phase separation, and stabilization

    Final product types

    • Peracetic acid biocides for institutional disinfection
    • Cold-sterilant solutions in food and beverage packaging plants
    • Sanitizers for medical instrument cleaning
    • Disinfectants for water treatment facilities

    5. Butadiene Production via the Lebedev Process

    Some synthetic rubber manufacturers utilize acetaldehyde in combination with ethanol vapors over solid catalysts to generate butadiene through dehydrogenation, especially in regions where C4 cracker feedstocks are less economically viable. The quality and consistency of acetaldehyde feeds directly affect yield and downstream purification efficiency for tire-grade and plastics butadiene monomer.

    Industry compliance standards

    • ASTM D1157 (Rubber-Grade Butadiene)
    • ISO 14001 (Environmental Management in high-temperature processing)
    • SR ISO 9001:2015 (Quality in monomer and polymer intermediates)
    • OSHA Process Safety Management (USA, for hazardous chemical operations)

    Typical usage ratio

    • 5–15% by mass relative to ethanol, adjusted to catalyst and throughput specifications and monitored for correlation with conversion rates

    Downstream process integration

    • Mixed with ethanol in vapor feed to fixed-bed reactors at 400–450°C, followed by rapid quenching and multistage distillation purification

    Final product types

    • Butadiene monomer for synthetic rubber (SBR and PBR)
    • Base polymers for automotive tire manufacturing
    • Latex production for industrial adhesives
    • Thermoplastic elastomers for automotive and footwear

    6. Synthetic Tanning Agents for Leather Processing

    Tanneries and chemical intermediates suppliers use acetaldehyde in production of aldehyde tanning agents, especially in wet-white processes that avoid chromium. Carefully monitored acetaldehyde addition influences crosslinking density and penetration, a key parameter when meeting increasingly strict environmental and consumer safety standards for natural and synthetic leathers.

    Industry compliance standards

    • REACH (EC 1907/2006) for chemical mixtures in Europe
    • OEKO-TEX® Standard 100 (Product Class I & II, leather applications)
    • ISO 9001 (Quality Management in leather chemicals)
    • GB 20400-2006 (China Leather Industry Restricted Substance Control)

    Typical usage ratio

    • 2–5% concentration on wet weight of pelt, adjusted for desired softness, color development, and crosslinking uniformity

    Downstream process integration

    • Post-liming application by direct addition to float, followed by pH-controlled drum processing and rapid fixation steps

    Final product types

    • Wet-white leather for automotive and upholstery
    • Gloving and garment leather
    • Vegetable-tanned alternatives free from heavy metals
    • Coated split leathers for footwear and accessories
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    Certification & Compliance
    More Introduction

    Acetaldehyde: A Core Building Block for Chemical Synthesis

    Direct from the Manufacturer: Our Approach to Acetaldehyde Production

    At our chemical production facility, every metric ton of acetaldehyde tells a story of precision and accountability. The feedback loops between raw material sourcing, closed-system safety procedures, and regular quality checks shape the acetaldehyde we release for downstream applications. Years of investment in catalyst technology and process control have not only improved our yields but also decreased unwanted byproducts, which keeps product purity tight. Acetaldehyde—packing the molecular formula CH3CHO—makes its journey from gas to liquid at just above room temperature, demanding a secure, chilled approach inside a fully-sealed plant. That story doesn’t end with our own facility; most of the time, it only begins there. As volumes scale up, suppliers like us bear a big part of the responsibility for keeping both the chemical and any risks locked down, while making sure manufacturing partners always get the consistency and reliability they expect.

    Specification, Model, and Physical Profile

    One of the unique demands of working with acetaldehyde comes from its volatility and reactivity. No two chemical intermediates behave quite like this one. In our facility, acetaldehyde leaves the unit mainly at a purity exceeding 99.5%. This concentration has become an industry benchmark for a reason: it closes the gap between feedstock and finished product for most users. We package the bulk product as a colorless, highly flammable liquid, always under nitrogen blanket, at about 20°C in stainless steel containers. Material that slips below typical purity specs—anything with detectable acetic acid or methanol contamination—never leaves the purification cycle and gets reprocessed on the spot. We don’t offer a menu of models; the only difference comes in volume: from lab-scale carboys for research organizations to tanker loads for large factories. That focus keeps our processes streamlined and the risk of cross-contamination vanishingly low.

    Several characteristics set this compound apart from less reactive aldehydes and common solvents. The vapor pressure at room temperature (about 1.14 bar) means careful pressure control from fill to shipment. Ignition can happen at relatively low temperatures, so all stages demand spark-proof handling. Compared with bulk ethanol or formaldehyde, acetaldehyde’s boiling point sits down near 21°C—enough to require fully armored storage even at ambient conditions. We calibrate our logistics not only for temperature but also for speed; delays risk polymerization, especially in warm weather. Stabilizers like trace amounts of acetic acid solve this issue for many partners, but for those in pharmaceuticals or flavor manufacturing, stabilizer-free shipments are the only suitable option, so we keep these lines separated.

    How Acetaldehyde Shapes Downstream Industries

    It’s easy to focus only on our own processes, but the real reach of acetaldehyde emerges in how customers build with it. One major market continues to be the synthesis of pentaerythritol, a key agent in resins and explosives. The aldehyde reacts efficiently with formaldehyde to form four-carbon backbone molecules that just can’t be assembled any other way at this scale. Every kilogram of pentaerythritol on the shelf owes its existence to reliable shipments of high-purity acetaldehyde. In a similar way, the chemical finds use in the manufacture of pyridine derivatives—indispensable for agricultural chemicals and vitamin precursors. Small differences in impurity can throw off entire synthesis runs, which is why our attention does not waver during purification.

    The use of acetaldehyde in flavor and fragrance manufacturing shows how demanding these markets can be. The flavors business expects nothing but the freshest, cleanest aldehyde, since even tiny residual acid or base can shift a flavor profile enough to fail a whole batch. Vanilla and fruity notes, in particular, depend on the smooth finish acetaldehyde grants esters and alcohols. With alcohol fermentation, trace residuals of our product can show up in spirits and biofuels, requiring tight control over both outgoing purity and shipping containers. Our teams know this: we only use food-compatible lines for customers with fermentation needs, washing and testing every shipment with dedicated protocols to clear out any cross-residue.

    As a manufacturer, one area where acetaldehyde outpaces typical competitors lies in pharmaceutical precursor manufacturing. As an alpha-hydroxy carbonyl compound, acetaldehyde acts as a fundamental base for making sedatives, vitamins, and antihistamines. The flexibility in forming C—C bonds or building complex heterocycles means pharmaceutical plants have stuck with acetaldehyde through decades of shifting synthetic chemistry trends. Technical grade ethyl acetate or methanol, despite similar volatility, simply can't step into this critical position. If a vitamin manufacturer accepts off-spec or impure acetaldehyde, entire product lines can fail quality audits or trigger regulatory shutdowns. Keeping product quality bulletproof isn't just sales talk for us; it's a hard operational necessity.

    Protecting Quality, Safety, and the Environment

    Handing acetaldehyde means we never cut corners on containment and safety. The reactivity that makes this molecule so helpful for chemical synthesis also sets high demand on plant management and employee training. Our tank farms use double-walled storage and continuous temperature monitoring to prevent both leaks and boil-off during hot spells. Blanketing tanks, tankers, and drums with nitrogen blocks oxygen and moisture, minimizing risks. Early investments in industrial refrigeration, explosion-proof pumps, and vapor recovery not only safeguard our workers but reduce fugitive atmospheric emissions that surrounding communities worry about.

    From early on, we had to draw a clear line between routine mishandling and responsible manufacturing. Our teams never send out an unsealed drum or let quality slide to save a few hours. Industrial users can spot problems long before they ruin a batch, so we keep documentation crystal clear. Every unit comes with a traceable production lot, up-to-the-minute purity stats, and contaminant spectrum confirmed by GC and NMR. Partners in food, pharma, and resin production rely on this transparency because minor slip-ups can cascade into costly product recalls or missed delivery deadlines. As producers, our credibility stays at risk with each outgoing shipment, so we sweat every link in the chain.

    Waste and environmental impact concerns anchor much of the public debate around chemical manufacturing, and acetaldehyde sits in the crosshairs more than most. Because of its role as a volatile organic compound (VOC), governments have set tough restrictions on factory emissions and workplace exposure. We’ve adopted continuous air and water monitoring, not only to meet the rules but also to prevent fugitive losses that hide in plain sight. Catalytic oxidizers and waste gas scrubbers capture or destroy stray aldehyde, sending out only clean exhaust. On the process water side, we cycle effluents through activated carbon beds and bioreactors to break down residual organics. All these systems demand constant attention, and our plant crew walks the line daily to avoid falling behind on regulatory requirements.

    Acetaldehyde in Context: How It Differs from Related Products

    Although many customers buy a basket of basic chemicals from us, few compounds require as much operational discipline as acetaldehyde. Take formaldehyde or ethanol, for instance—while both appear in similar industrial supply chains, their physical properties and risks set them apart. Formaldehyde gives off a strong odor and breaks down more slowly in the environment, but its lower volatility reduces some shipping hazards. Acetaldehyde, by contrast, evaporates fast, reaches dangerous concentrations in air, and needs hard controls even during drum opening or vessel transfer.

    Comparing to propionaldehyde or butyraldehyde, acetaldehyde stands out for both cost and reactivity. The two longer-chain aldehydes find use in specialty plasticizers or lubricants. They can get by with traditional stainless tank farms and ambient shipping. Acetaldehyde, on the other hand, cannot. Even small lapses in container closure inevitably mean lost product and new hazards, especially since the molecule can dimerize or polymerize in minutes if exposed to the air. As a practical fact, few customers investing in downstream synthesis would ever want a batch that’s been repackaged or sat too long between plant and lab. Our logistics teams, trained in these details, schedule bulk runs, so turnover stays fast and downtime stays minimal.

    Unknown to most outside the field, byproducts and side streams from acetaldehyde production often spell opportunity as well as challenge. For us, recovering acetic acid and ethyl acetate—sometimes as byproducts, sometimes as intentional product runs—opens new markets in solvents and food-grade acidulants. None of these, though, can substitute for the careful attention demanded by core acetaldehyde. Each molecule carries potential risk if quality lags, but only acetaldehyde demands so much from both process and shipping.

    Supporting Industry Evolution

    Manufacturing doesn’t stand frozen in time. As partners shift toward bio-based feedstocks and green chemistry, we have had to refit our own processes to stay relevant. In the past, most acetaldehyde came from hydration of acetylene or partial oxidation of ethylene. Today, pressure mounts to reduce greenhouse gas footprints and transition to renewable feedstocks. Several years back, we launched an initiative to co-feed bio-ethanol streams for partial oxidation, using robust process analytics to keep specs tight. These transitions take time and capital, but real customer needs demand investment before regulation can force the issue. Pharmaceutical and food ingredient buyers pay attention to sourcing details now, expecting origin information and lower embodied carbon. Rather than resisting change, we move toward traceable certification and rapid process improvement. This isn’t just “keeping up”; it’s securing our plant’s future viability.

    A newer area of innovation comes from process digitalization and data sharing. Our production techs can now follow each heating cycle, pressure spike, or filtration variation in real time, with dashboards tracking metrics back through month- and year-long trends. That constant feedback lets us spot performance slips before they create off-spec material. As more partners demand proof of process—especially in pharmaceutical supply chains with strict regulatory audits—we keep records not only on paper but in secure digital databases, always ready for an audit or quality dispute. If a customer flags a deviation, we don’t fish through archived files or guess at causes; we pull up real data from the hour in question and hash out solutions that last, not just for the problem at hand but for the next shipment, too.

    Meeting the Challenges of Handling and Delivery

    Anyone working up close with acetaldehyde develops a deep appreciation for reliable supply and good process discipline. Even in plants optimized to handle dangerous and volatile materials, risks lurk in minor temperature swings or containment lapses. Every new piece of equipment, every addition to our loading docks, earns its place only after risk analysis, site testing, and third-party inspections clear it for duty. Training never stops; we bring our operators, drivers, and emergency staff together several times a year to walk every line, tighten every fitting, and run through simulated dry runs for worst-case scenarios.

    Bulk shipments gather particular attention. Tankers are certified and re-certified by outside engineers, lined for chemical resistance, and pressure-tested to avoid surprises for our clients. Drum-scale packages for pharmaceutical or flavor customers get extra treatment: every gasket, seal, and valve comes from validated sources and has to meet both our and our client’s regulatory checklists. Logbooks follow every load from our plant gate right through to the customer’s loading bay, with no gaps in recordkeeping. Food-grade, pharma-grade, and industrial-grade lines remain physically separated at every point to avoid even a hint of cross-contamination, which our clients quickly flag and report back to us.

    Delays often mean more than revenue loss. Because of acetaldehyde’s instability at higher temperatures, our team co-ordinates pickup and delivery slots like clockwork, staying alert for transport slowdowns related to weather, regulatory checkpoints, or plant bottlenecks. For us, knowing the chemical’s shelf life depends on shipment conditions means planning for rapid turnaround rather than relying on storage. We keep dispatch times short, avoid overstocking, and turn product quickly, especially during summer months or export surges. The faster our clients convert our acetaldehyde into finished products, the less chance there is for waste or product loss.

    Emphasizing Transparency, Trust, and Direct Accountability

    Much of the market noise comes from layers of resellers and traders, but as the producer, we believe real value starts with accountability and trust. Our teams work directly with clients on project-specific customization, whether that means developing a unique stabilization formula or setting up delivery schedules that mesh with our partners’ formulation cycles. Pharmaceutical customers sometimes require extra documentation or proof of process for regulatory agencies. Flavor houses insist on “clean line” evidence and full auditability. Meeting those standards doesn’t end with a certificate; it means sharing the hard details and standing ready when our clients’ own auditors walk in.

    This manufacturer-to-customer proximity fosters innovation. A resin plant troubleshooting an unexpected side product calls our engineering team direct; a vitamin factory needing a new packaging size gets input from our process chemists, not an anonymous help desk. We see these requests as opportunities, not disruptions, folding each back into product and process improvement. Staying close to end users tightens our understanding of what markets actually care about, and helps us keep the acetaldehyde pipeline robust and safe even in a shifting regulatory and economic landscape.

    Moving Forward: Acting on Shared Responsibility

    Manufacturing chemicals with power and risk, like acetaldehyde, means shouldering responsibility that extends far beyond our factory fence. Every shipment, every drum and railcar, threads a line between economic progress and public safety. We’ve chosen to lead by building not only strong internal controls but also open channels with end users in every industry sector we serve. Long after a truck leaves our loading bay, our duty remains: answer for product reliability, hold fast on safety standards, and be forthright about any change, challenge, or improvement.

    New technologies, evolving regulations, and consumer pressure mean that chemical manufacturing will always face fresh scrutiny. Acetaldehyde’s sharp odor, reactivity, and widespread use make it a bellwether for our ongoing performance. We keep pushing forward—on process control, environmental management, digital recordkeeping, and customer collaboration—because chemicals like acetaldehyde circulate at the core of food, medicine, energy, and industry. Staying honest about the risks and rewards, refusing shortcuts, and listening closely to the downstream effects: this is the only way to keep acetaldehyde, and our reputation, as reliable tomorrow as it is today.