Carbon Dioxide

    • Product Name: Carbon Dioxide
    • Chemical Name (IUPAC): Carbon dioxide
    • CAS No.: 124-38-9
    • Chemical Formula: CO2
    • Form/Physical State: Gas
    • Factroy Site: No.1 Hengli Road Economic Development Zone of Nanma ShengzeTown,Wujiang District
    • Price Inquiry: sales3@ascent-petrochem.com
    • Manufacturer: Hengli Petrochemical Co., Ltd.
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    Specifications

    HS Code

    655491

    Chemical Formula CO2
    Molar Mass 44.01 g/mol
    Appearance Colorless gas
    Odor Odorless
    Melting Point -56.6°C (at 5.11 atm)
    Boiling Point -78.5°C (sublimes at 1 atm)
    Density 1.977 g/L (at 0°C, 1 atm)
    Solubility In Water 1.45 g/L (at 25°C)
    Critical Temperature 31.0°C
    Critical Pressure 73.8 atm
    Cas Number 124-38-9

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

    Application of Carbon Dioxide

    Purity 99.9%: Carbon Dioxide with 99.9% purity is used in beverage carbonation, where it ensures consistent effervescence and taste quality.

    Food Grade: Carbon Dioxide food grade is used in modified atmosphere packaging for perishable foods, where it extends shelf life by inhibiting microbial growth.

    Liquid Phase: Carbon Dioxide in liquid phase is employed in refrigerated transport systems, where it provides efficient cooling and temperature stability.

    Supercritical State: Carbon Dioxide in supercritical state is used in botanical extraction processes, where it enables high-yield and solvent-free extraction of active compounds.

    Medical Grade: Carbon Dioxide medical grade is utilized in minimally invasive surgeries, where it maintains insufflation and anatomical visualization.

    Industrial Grade: Carbon Dioxide industrial grade is used in welding applications, where it acts as a shielding gas, improving weld penetration and reducing oxidation.

    Particle Size <1μm: Carbon Dioxide with particle size below 1μm is used in fire suppression systems, where it rapidly disperses and extinguishes flames without leaving residue.

    Stability Temperature -78°C: Carbon Dioxide with a stability temperature of -78°C is used in dry ice blasting, where it provides non-abrasive cleaning and minimizes thermal damage.

    Pressure 50 bar: Carbon Dioxide at a pressure of 50 bar is used in enhanced oil recovery, where it increases oil mobility and extraction efficiency.

    Molecular Weight 44 g/mol: Carbon Dioxide with molecular weight of 44 g/mol is used in greenhouse enrichment, where it promotes photosynthetic activity and accelerates plant growth.

    Packing & Storage
    Packing Carbon Dioxide is supplied in a high-pressure, silver steel cylinder (10 kg), fitted with a valve and labeled with hazard and handling information.
    Container Loading (20′ FCL) Container Loading (20′ FCL) for Carbon Dioxide typically involves high-pressure cylinders securely packed, totaling up to 216 cylinders per container.
    Shipping **Carbon Dioxide** is shipped as a compressed, liquefied, or solid gas (dry ice) in cylinders, tanks, or insulated containers. Containers must be clearly labeled and securely sealed. Transport complies with regulations for hazardous materials, ensuring adequate ventilation, temperature control, and safeguards against leaks to prevent asphyxiation or pressure hazards.
    Storage Carbon dioxide is stored in high-pressure gas cylinders or tanks, made of steel or aluminum to withstand pressures up to 58 bar (841 psi). The storage area should be cool, dry, well-ventilated, and away from heat sources and direct sunlight. Cylinders must be secured upright to prevent tipping and clearly labeled. Regular inspections are required to check for leaks or damage.
    Shelf Life Carbon dioxide has an indefinite shelf life when stored in properly sealed, high-pressure cylinders under recommended temperature and storage conditions.
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    More Introduction

    Carbon Dioxide from a Manufacturer’s Desk: From Cylinder to Industry Solutions

    Getting to Know Our Carbon Dioxide—Direct from the Source

    Every cylinder and bulk tank that leaves our facility stands as a testament to where chemistry and real-world need meet. We have spent years producing and refining carbon dioxide to serve all sorts of industries, from beverages to healthcare to industrial welding. This isn’t a generic product churned out by the millions on an anonymous global supply chain; each batch goes through detailed process checks, strict purity controls, and has been molded by the evolving demands of the market and natural resource management.

    Manufacturing Carbon Dioxide: It’s More Than Just a Gas

    To us, carbon dioxide is a living proof of what happens when chemistry and reliability team up. Whether we recover it from fermentation, combustion, or natural wells, our job involves more than simply bottling a gas. The process comes down to collecting raw gas, scrubbing out trace sulphur compounds, separating out moisture, and compressing it to exact pressures. This isn’t just textbook chemistry: we have people checking valves, examining pipelines, and running real-time gas chromatography to make sure the end product matches what both food producers and welders expect. No two days look the same, and every adjustment in ambient temperature or utility supply calls for hands-on tweaks in the plant.

    Models and Specifications: What Leaves Our Filling Station

    We primarily offer carbon dioxide in liquid and compressed gas forms. The model types we ship out include high-purity cylinders at pressures around 800 psi, large dewars for field use, and bulk liquid tanks for food and beverage bottlers. Each container sits on a quality record trail—traceability isn’t just paperwork, it’s a safeguard for those downstream who trust what we ship. Food grade means keeping ethylene, hydrocarbons, and sulfur well below regulated limits—verified by gas analysis—not just once but batch after batch.

    For medical use, the refining steps stack up: tighter controls on hydrocarbons and metals, deeper dehydration steps, and validation runs using methods like FTIR and GC-FID. The cylinder finish, valve cleaning, and tank purging follow procedures different from the industrial sector; mistakes here can have life-or-death implications for medical gas supply, so we spend hours training staff and running system checks that would seem excessive to an outsider.

    Many of our bulk supply customers in cold storage or greenhouse operations use liquid-phase delivery. Here, it’s about flow stability, rapid offloading, and tank insulation. In contrast, beverage manufacturers often specify gas-phase CO₂, with parameters on taste and aroma that run beyond purity standards. This means not just clean gas but a supply chain that keeps out tank odors, plasticizers, or stray lubricants—giving end users a product that disappears seamlessly into flavor without off-notes.

    The Practical Uses: From Soda to MIG Welders

    For most people, carbon dioxide shows up as the fizz in soft drinks or as a blast of fog at concerts, but our daily production routines focus on essential backbone operations that aren’t so glamorous, yet keep entire sectors running. In breweries, CO₂ not only adds sparkle but also keeps oxygen out of bottling lines, preserving flavor and preventing spoilage. We’ve seen firsthand how a small impurity can spoil a whole batch of beer, costing thousands and damaging reputations; that’s why we talk about flavor as much as pressure rating.

    In welding shops, our bottles supply the shielding gas that makes MIG and MAG welding feasible. The manufacturer’s view isn’t just about meeting a pressure spec; we spend time educating customers on how water content or stray hydrocarbons affect arc stability and weld quality. Welders have told us the difference between “good” and “great” carbon dioxide can mean less spatter, easier setup, and smoother bead finish. We chase that quality not from behind a desk, but side by side with operators, responding directly to their plant feedback.

    Cold chain companies rely on liquid CO₂ for rapid freezing and atmosphere control. We make sure transport and installation sync up so there is no unexpected pressure loss, risking product safety. Farmers and greenhouse operators rely on our CO₂—not only does it enable higher plant yields by raising CO₂ concentrations, but it also ties into sustainable cycles in food and energy production. This market has grown fast as controlled environment agriculture ramps up to meet urban food demands, and our production line has adjusted to prioritize flexibility and reliability.

    Dry ice, another major output, uses the same gas. We pelletize and block it on-site, working with hospitals, shipping companies, and the food service industry. The work doesn’t stop at pelletizing—I’ve witnessed what happens when a temperature-sensitive shipment arrives late or with poor insulation. That experience feeds back into how we package, store, and move product out of our loading bays.

    Our Day-to-Day: Bridging Safety, Demand, and Environment

    No carbon dioxide supply scenario feels routine. Safety starts with our own teams—double-checking cylinder valves, confirming tank sitting pressure, keeping monitors calibrated. Beyond basic worker protection, these steps protect every downstream consumer. For instance, our plant’s protocol calls for real-time leak detection, emergency shut-off, and frequent refreshers with on-site crews. Many of our team have backgrounds in plant mechanics or emergency response—practical experience pays off, especially on night shifts or high-turnover days.

    Sustainability isn’t a buzzword here. The carbon dioxide we capture often gets a second or third life, especially when drawn from fermentation or recovery at ethanol plants. Each pound reused means less venting to air, more alignment with evolving environmental regulations, and a practical reduction in our overall footprint. With ever-tightening standards from governments and customers, we keep close track of emissions, energy shifts, and process losses, updating both our hardware and our methods as new data and technologies emerge.

    The industry now faces a dual squeeze: increased regulatory scrutiny and volatile demand cycles. Beverage and medical use often spike at the same time as agricultural season ramps up. This pushes us to run longer shifts, adjust shipping schedules, and stay nimble with bulk transport. It’s more than meeting contracts—it’s about anticipating needs, leveraging our historical data, and keeping direct lines of communication open with our long-term clients. Running short on supply for one sector often echoes across the rest.

    Distinguishing Carbon Dioxide Models: Experience Shapes the Details

    Talking about differences between carbon dioxide products often boils down to nuance that only emerges after years of handling, shipping, and fielding customer calls. Food and beverage specs usually call for the tightest controls: near-zero hydrocarbons, precise dew point, and full traceability. The drink industry favors cylinders that don’t impart taste or odor, so our materials and cleaning routines adjust accordingly. Medical-grade output follows pharmaceutical and respiratory guidelines—if rust or particulate ever shows up, we overhaul the supply line. These differences are not abstract—they have real-world consequences for patient safety and end-user health.

    Welding and fire suppression models prioritize flow reliability and valve durability over taste or aroma. Here, the main concern among our industrial clients revolves around moisture: too much, and you risk equipment corrosion or spotty process results. The tanks and valves we use for these sectors handle different cleaning cycles and withstand harsher field conditions. Industry cases have shown that failing to distinguish between food-grade and industrial models ends up costing customers not just money, but trust—and we don’t take that lightly.

    For bulk applications—think cold storage or controlled atmosphere systems—the discussion shifts to insulation rating, offload speed, and vaporization efficiency. Here, our filling and transport teams focus on rapid turnaround with minimal vapor loss. Any supplier can list specifications, but consistent delivery requires understanding how external temperature, cylinder placement, and customer piping affect the real experience. Over the years, we’ve invested in better truck insulation and real-time dispatch systems to meet the rising challenge of tight delivery windows.

    Where dry ice overlaps with gas supply, the talk circles back to particle size, compaction, and sublimation rate. These are day-to-day concerns not just for logistics managers, but for warehouse workers and retailers handling the material. It’s one thing to promise CO₂ in a clean datasheet—it’s another to provide product that slides easily down chutes or lasts through a multi-day shipping route.

    Tracking Changes in the CO₂ World—From Production to Partnerships

    The technical requirements for carbon dioxide stay in flux alongside changes in regulation, science, and market demand. Our operation runs regular audits—both internal and third-party—to catch any slide in purity and process reliability. For instance, we fetch ethylene analyzer readings with each batch for beverage-grade cylinders. Old leaks or mechanical drift don’t go unnoticed because we keep daily logs and rotate through the lines for redundant verification. These practical steps came about directly from a few industry learning moments—the kind that only tough lessons bring about, like spoilage recalls or off-taste complaints directly from brewers or soda bottlers.

    Customers now expect more data with each delivery: QR-coded batch records, digital purity certificates, and technical support that answers with practical, not canned, responses. We’ve built support teams around this demand, led by people who’ve worked in the plant and seen the pipeline-side issues that paperwork never captures.

    Partnering closely with end users matters more now than ever. Having trained both operators and customers face-to-face, we hear directly what’s working and what isn’t—pressure variation in the field, material compatibility, the difference a few tenths of a percent in moisture can make. These aren’t just theoretical headaches—they grow out of pump failures, gummed-up lines, or bottles sent back for unclear reasons.

    Every Batch, Every Cylinder: Our Experience on the Line

    Manufacturing carbon dioxide isn’t glamorous work. It’s a combination of chemical reaction control, maintenance, logistics, and customer relations. We build our reputation by owning the details: tightening valve threads in the heat of summer, keeping our filter beds fresh, watching for unexpected contaminants, and making real changes when something fails. We know that our products flow into processes and systems that millions rely on—as insulation, as a preservative, as a hidden safeguard in hospitals and supermarkets.

    We have learned that in this business, the little things count. A pressure swing here, a thermal spike there, or a batch run too late in the day—eventually, they show up in downstream performance or safety checks. It’s why we don’t shortcut cleaning, why our test logs run long, and why every new technology adopted starts on a limited run before rollout. There’s no room for guesswork or cutting corners when the consequences run from tainted batches to failed welds, to worse.

    Refining for a Tougher Future—And the Road Ahead

    Over the past decade, traceability, demand cycles, and sustainability have all grown. It isn’t enough to make a clean CO₂ anymore—the world expects smarter use, better energy efficiency, and supply chain resilience. Our own plant has made upgrades: closed-loop capture for process reuse, energy monitoring, better water treatment for fewer process byproducts. These changes drive up up-front cost but they build resilience as regulations tighten and the market continues shifting towards low-carbon practices.

    We’ve responded to shifting demand curves by building out more flexible storage, better plant monitoring, and digital communication channels for clients who want real-time shipping status. Customers feel increasing pressure—from regulators, end-users, and the unpredictability of bulk commodity markets. By staying focused on serving those needs, not just in words, but in actual products and daily routines, we remain connected to the industries that depend on us.

    Carbon dioxide—whether liquid, gas, or dry ice—continues to link the vital pieces of modern life. Having produced, shipped, and used it for years, we know every job is different. Each sector has its quirks. Each customer comes in with new requirements, surprises, or headaches. And every day, carbon dioxide remains more than just a formula or a product code to us; it is the result of generations of experience, process refining, and steadily reinforced trust.