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.89 Lihua street, Funing District, Qinhuangdao City, Hebei Province, China
    • Price Inquiry: sales2@boxa-chem.com
    • Manufacturer: Qinhuangdao Lihua Starch
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    Specifications

    HS Code

    873295

    Chemical Formula CO2
    Molecular Weight 44.01 g/mol
    Appearance colorless gas
    Odor odorless
    Melting Point -78.5°C (sublimation)
    Boiling Point -78.5°C (sublimation)
    Density 1.98 kg/m³ (at 0°C, 1 atm)
    Solubility In Water 1.45 g/L (at 25°C)
    Critical Temperature 31.10°C
    Critical Pressure 7.38 MPa
    Cas Number 124-38-9
    Flammability non-flammable
    Ph slightly acidic when dissolved in water
    Refractive Index 1.00045 (gas)
    Specific Heat Capacity 0.844 J/g·K (gas, at 25°C)

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

    Packing & Storage
    Packing Carbon Dioxide, 10 kg, supplied in a high-pressure steel cylinder with valve protection cap, labeled with hazard and safety information.
    Container Loading (20′ FCL) Container Loading (20′ FCL) for Carbon Dioxide involves safely transporting high-pressure gas cylinders, maximizing capacity, and complying with safety standards.
    Shipping Carbon dioxide is shipped as liquefied, compressed gas in high-pressure cylinders or tanks. Containers must be clearly labeled and kept upright, away from heat sources. Ventilation is essential to prevent buildup of gas. All transport complies with hazardous materials regulations and proper documentation is required for safe handling and delivery.
    Storage Carbon dioxide is typically stored as a compressed, liquefied gas in high-pressure steel cylinders or tanks. These storage containers must be kept in cool, well-ventilated areas, away from heat sources. Proper labeling and secure upright placement are essential. Storage areas should have adequate ventilation to prevent accumulation of gas, as carbon dioxide is asphyxiating in high concentrations.
    Shelf Life Carbon dioxide (CO₂) has an indefinite shelf life when stored in tightly sealed, corrosion-resistant containers under recommended temperature and pressure.
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    Tel: +8615380400285

    Email: sales2@boxa-chem.com

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    Certification & Compliance
    More Introduction

    Introducing Carbon Dioxide: Industry’s Reliable Workhorse

    Meeting Demands with Pure Carbon Dioxide

    Working in industrial chemistry every day puts us face to face with materials that may look basic on paper, but prove themselves vital once you step into the plant or the lab. Carbon dioxide isn’t flashy, but its practical value never dulls. We supply food grade CO2 and industrial grade CO2, produced in models ranging from compact steel cylinders to cryogenic liquid tanks, always kept to strict purity specs. Depending on the application, purity can run from 99.5% up to more demanding standards. Different grades exist because commercial bottling, beverage carbonation, welding, greenhouse, and pharmaceuticals all place their own specific requirements on the gas.

    Our CO2 routinely ships as gas or liquid. Gas comes pressurized, ready for immediate use, especially in welding, laser cutting, and water treatment units. For higher-volume needs or on-site production, bulk liquid CO2 arrives by insulated tanker and stays cold in vacuum-jacketed tanks. Each form brings its own challenges in handling and delivery, but after years of pumping, loading, and installing these systems, we have seen which solutions last and which do not. You will hear from old-timers in the filling hall that even a few grams of moisture or trace hydrocarbons can mean the difference between quality carbonation in a drink plant and off-tastes or poor foaming that sends entire batches back.

    Applications: Tried and Tested

    Walk into any beverage bottling plant and you’ll find our CO2 hard at work. Beverage-grade gas must pass strict impurity controls: regulators want oxygen and total hydrocarbons down in the ppm range — because flavors turn easily and brand trust rises or falls on quality. In our own filling operation, contamination gets flagged instantly on in-line analyzers, and we know from experience how to track down a contaminated lot long before it ships.

    Beyond beverages, greenhouse operators have relied on piped CO2 from us for years, using it to stimulate plant growth under glass. CO2 helps tomatoes ripen faster and increases yield without pesticides or fertilizer run-off. This isn’t a new trend; Dutch and Canadian growers already treat carbon dioxide dosing as essential as water and nutrients. We get feedback from customers who track each input in their climate computers, sharing which delivery and ramp-up schedules bring the steadiest results.

    On the industrial side, CO2 brings real value to welding and metal fabrication. Shielded arc welding runs clean when we deliver consistent gas purity, and the right gas mixture cuts down on porosity in the finished welds. Workers in our cylinder prep area can spot issues with even a quick whiff — acrid or musty notes tell us something’s off onboard, and we do not ignore it.

    Dry ice is simply the solid form of CO2, pressed in blocks, slices, or pellets, which we manufacture onsite from compressed and cooled gas. It moves out the door every week toward cold-chain logistics, pharmaceutical shipping, and food processing for chilling or blast cleaning. The cryogenic temperature means dry ice outperforms conventional ice by a mile. Drivers make early morning rounds to handle fresh orders, so production runs on a tight schedule with little room for error from contaminated input.

    Specifications: Experience Drives Quality Control

    CO2 from our plant must pass a lineup of purity tests covering water, oxygen, hydrocarbons, odors, and common mineral traces. For food and beverage applications, tests for sulfur compounds and aromatic solvents protect against flavor disasters, while industrial buyers usually care more about non-corrosivity and moisture content. Utility customers, like water treatment plants, turn CO2 into a safe acidifying agent to balance pH in municipal systems. Here, keeping iron and manganese to a minimum makes maintenance easier and downstream processes more stable.

    Our standard supply cylinders top out at 50 liters, with valve configurations suited for quick connect/disconnect in fast-paced bottling or welding environments. For bulk users, vacuum-insulated tanks — ranging from 1,000 to over 20,000 liters — keep liquid CO2 at -20°C to -30°C. That means every tank has to be pressure-checked, purged, and monitored constantly, and from factory floor to truck, we see every inspection in person. Our operators keep logs the old-fashioned way and the digital way. One missed detail can produce costly slowdowns.

    Compared to other common gases such as nitrogen, oxygen, argon, or specialty blends, CO2 is less reactive but still hazardous if mishandled — asphyxiation risk and the danger of rapid venting in confined spaces never leave our safety training. That’s why storage rooms get regular airflow checks, and why training never stops for new hires at our distribution centers.

    Not all CO2 customers demand the same thing. Beverage and food processors choose food-grade quality, free of odor and unwanted residues. Some users, like paintball centers and fire extinguishing companies, only require basic purity but care about fast and reliable refill. Welders look for consistency above all, because fluctuations in CO2 quality ruin the hard-won skill operators have built on their lines. Over the years we learned to segregate product by end-use and even customer preference. A one-size-fits-all approach does not last long in this sector.

    CO2 Against Today’s Market Challenges

    Current market dynamics push us to find new efficiencies with every delivery. Feedstocks for CO2 production often originate from ammonia or ethanol plants, and any hiccup there backs up producers downstream. We have spent decades coordinating with our raw gas suppliers, dialing in redundancy, and always keeping a close watch when agricultural demand stirs up supply instability. During pandemic lockdowns, our facility operated with minimum staffing, prioritizing pharmaceutical shipments and critical beverages while minimizing excess venting and waste. Whenever CO2 plants go offline in a cold snap, the wider chain feels it within hours — and customers notice in missing kegs and flat drinks.

    Pricing pressures have only increased as energy and feedstock volatility rise. Every rung in the supply chain requires monitoring. Logistics strains, truck shortages, and custom requirements from regulators all add inevitable friction, but they also teach us the real cost of every missed detail. We track our customer fill rates, time to delivery, and purity rejections not just for our KPIs, but because in this business, every recall and delay damages trust earned over years.

    Quality: Hands-On and Measured Every Step

    We refine CO2 with routine compressions, chillers, and purifiers built to scale up or down. Computerized analysis now backs up skilled technicians who have spent decades tuning, tasting, and troubleshooting runs. Double-checking for acidity, odor, and off-color is not just policy but habit. Every couple of years we host safety and quality auditors, but our strictest critics work inside the building. In a plant filled with thousands of cylinders and dozens of tanker lines, nothing can substitute for people who treat each batch as their own.

    Some users switching from other suppliers complain of recurring taste defects or foam problems; their old vendors cut corners or misjudged a process step. We have fixed these problems by reworking gas streams, switching out compressor oils, or tracing impurities back through the fill system. Open communication among batch operators, drivers, schedulers, and technical staff means problems surface within hours — not weeks.

    Our QC labs run 24/7, with digital logging sent straight to production managers and customer reps. We install and track our own control sensors so plants can detect shifts in real time. Having watched the improvements from older, manual meters to digital CO2 monitors, we know the real difference isn’t just the number, but how teams interpret and act on it. A few decimal points off warn of problems much bigger than a routine adjustment: they predict sour batches, contaminated welds, or even customer safety issues.

    Alternatives and Limitations

    Within our long experience, nitrogen sometimes functions as a CO2 substitute in clinics and labs, but never fully replaces it when carbonation or sub-zero cooling are needed. Nitrogen cannot acidify water the same way or bring the same result in bulk chilling. Argon gives more inert protection for some welds, but brings extra cost and hazards. Other gases like helium are far too rare and expensive, making universal adoption unworkable.

    Our storage and filling operations must always acknowledge that CO2, for all its uses, can build up to dangerous concentrations in confined spaces. Modern detectors and alarms anchor our conditioning rooms and fill lines. Safety still comes down to training and a culture that takes every odor and hiss seriously. We drill for leaks, we keep logs, and we make sure that old tricks — like the vinegar-baking soda sniff test — still serve as backup for high-tech gadgets.

    Technological Shifts and Sustainability

    More of our clients today want to know if their CO2 is created as a by-product, re-captured, or sourced from fossil fuels. Our plant reclaims gas from fermentation or flue streams wherever possible, scrubbing contaminants through molecular sieves and chillers. We store and inject reclaimed CO2 back into our lines and constantly search for ways to minimize waste from venting or misfill. Sustainability is not a marketing slogan here; it is a pressured reality when every kilogram counts in compliance reports and energy bills.

    Finding and tapping new sources, such as organic waste anaerobic digesters or next-generation industrial exhaust, draws on decades of research and pilot testing. Partnering with local utilities and ethanol plants gives us flexibility that purely synthetic CO2 producers miss. Many of our largest beverage or food processing clients now audit their supply chain for greenhouse gas impact, and our ability to show transparent sourcing gives them real data to work with.

    We invite solution-minded clients to check our monitoring and storage systems onsite. Our facility tours often surprise visitors with the efficiency and cleanliness of our operation — nothing gets shipped until it meets both spec sheets and customer sign-off. Repairs and line upgrades always aim to cut energy draw and tighten process control, not just move more volume. Our equipment maintenance logs stretch back decades and carry the notes and fixes of generations of operators who learned from every mishap.

    Reusing and recycling CO2 helps limit net emissions, and research teams constantly test new catalysts and filter beds. A few years ago we invested in more advanced liquefaction units that cut down cooldown time and recover vapor that previous rigs would simply vent. Regular meetings with technology suppliers help us keep pace with regulatory requirements and shifting industry standards, but we rely on our own trial-and-error to decide what works at industrial scale. Any innovation lives or dies by its up-time and serviceability, and here, the tools need to work as reliably in winter blizzards as they do in summer heat.

    Why Experience Matters in CO2 Supply

    Real stability in supply takes more than automated invoices or generic purity certificates. Over years, we built direct backups with neighboring plants and raw gas suppliers for smoother transitions during plant downtime. We have loaded tankers on holiday weekends, talked customers through out-of-hours emergencies, and shipped replacement cylinders overnight when nobody else could. That experience builds something that no datasheet or online validator can provide: resilience.

    We have trained mechanics and operators in what warning signs look and sound like — the snap of a leaking flange, the sizzle of a poorly vented fill line, the quick change in temperature on a frost-covered valve. Lessons picked up over tens of thousands of fills and decades of maintenance work their way into every batch we ship. Customers approach us with requirements shaped by real experience: a particular brewer needs a strict flavor neutrality, a hydroponic farm closely monitors trace hydrocarbons, an auto body shop times delivery windows to match shifts. These are not abstract requests, but lived realities that shape how our plant organizes, tests, and delivers.

    Consistency comes from more than compliance. Our in-house culture rewards operators for flagging even small anomalies, not waiting for customers to call back with complaints. This brings up issues upstream before any out-of-spec batch leaves the dock. Operators working at fill stations have a say in process improvements and regularly translate customer feedback directly into line modifications. In the rare event of an issue, we investigate with full transparency. A quick call, a detailed fill log, and a review of instrument drift address most issues within the same shift.

    Real Challenges, Real Solutions

    Handling a product as simple-seeming as carbon dioxide forces constant re-examination of procedures and investment in better tools. Faster, more accurate gas sensors, automated purging systems, and robust sharing of QC results with users keep quality solid. We run technical support lines for customer maintenance staff so diagnosis can happen at the user’s site, not just after cylinders return for inspection.

    Tracing source and process information allows us to troubleshoot quickly in case of flavor or purity complaints. We maintain not only test records but also detailed logs of raw materials and process conditions for each batch produced. Over time this builds a feedback loop that produces better gas, steadier clients, and far less waste.

    To people outside of the industry, CO2 often seems like a commodity. Inside, every step — from raw feedstock sourcing to on-time delivery — demands awareness, checks, and ongoing improvements. That is where real expertise proves its worth, and it takes not just technical know-how but shared responsibility. Every time we hear from a client that this month’s run brought better results, our teams know their discipline paid off. That sense of pride cannot be bought; it’s earned batch by batch, shipment by shipment.