|
HS Code |
843956 |
| Chemicalformula | C3H8 |
| Molarmass | 44.10 g/mol |
| Appearance | Colorless gas |
| Odor | Odorless (odorized for leak detection) |
| Density | 2.0098 kg/m³ (at 0°C, 1 atm) |
| Meltingpoint | -187.7°C |
| Boilingpoint | -42.07°C |
| Solubilityinwater | 0.025 g/100 mL (at 20°C) |
| Vaporpressure | 853 kPa (at 21.1°C) |
| Flammability | Highly flammable |
| Autoignitiontemperature | 470°C |
| Casnumber | 74-98-6 |
As an accredited Propane factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Propane is packaged in a durable, cylindrical steel cylinder, typically containing 19 kg, with safety valve, warning labels, and handling instructions. |
| Container Loading (20′ FCL) | Propane is typically transported in 20′ FCL ISO tank containers, ensuring safe, efficient bulk liquid shipment under pressure for international trade. |
| Shipping | Propane is shipped as a liquefied, flammable gas under pressure in specially designed cylinders or bulk tanks. Transport must comply with DOT and international regulations, with proper labeling and placarding. Containers require regular inspection for leaks and damage. Propane should be kept away from heat sources, ignition, and incompatible materials during transit. |
| Storage | Propane is stored as a liquid under pressure in strong, sealed steel cylinders, tanks, or bulk storage vessels, typically at pressures around 100–200 psi. Storage areas must be well-ventilated, away from heat sources, ignition points, and direct sunlight. Proper labeling, grounding, and safety valves are essential to prevent leaks or explosions. Outdoor storage is preferred for safety. |
| Shelf Life | Propane has an indefinite shelf life if stored properly in tightly sealed, rust-free cylinders, away from heat and direct sunlight. |
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Purity 99.5%: Propane with 99.5% purity is used in industrial heating systems, where it delivers consistent combustion efficiency. Boiling Point -42°C: Propane with a boiling point of -42°C is used in refrigeration applications, where it enables effective low-temperature performance. Vapor Pressure 8.6 bar at 20°C: Propane with a vapor pressure of 8.6 bar at 20°C is used in portable fuel cylinders, where it ensures rapid and stable fuel vaporization. Stability Temperature up to 100°C: Propane stable up to 100°C is used in polymer production, where it maintains reliable process safety. Molecular Weight 44.1 g/mol: Propane with a molecular weight of 44.1 g/mol is used in analytical calibration gases, where it provides accurate quantitative analysis. Hydrocarbon Profile - Saturated: Propane with a saturated hydrocarbon profile is used in aerosol propellants, where it contributes to uniform product dispersion. Sulfur Content <10 ppm: Propane with sulfur content below 10 ppm is used in metal cutting torches, where it minimizes corrosion and equipment fouling. Odorized Specification: Propane odorized for safety compliance is used in residential heating, where it enhances leak detection and operational safety. Residue Content <0.005%: Propane with residue content below 0.005% is used in pharmaceutical manufacturing, where it prevents process contamination. Density 1.83 kg/m³ at 0°C: Propane with a density of 1.83 kg/m³ at 0°C is used in gas phase reactors, where it supports efficient raw material transfer. |
Competitive Propane prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615365186327 or mail to sales3@ascent-chem.com.
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Tel: +8615365186327
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As a manufacturer whose foundation rests on decades of hands-on chemical engineering, our direct encounters with propane shape every decision we make. The demand for clean, portable energy has never quieted down. Propane stakes its position in refineries, production lines, homes, and open fields, not because rhetoric claims it’s the future, but because experience shows it handles diverse applications with consistent results. Clients from agriculture, hospitality, metallurgy, and logistics turn to propane as an answer to uncertain grid power, equipment needs, and precise thermal control.
Our production lines dedicate themselves to purity. This matters far beyond numbers on a specification sheet. Building refinery towers tall enough to corral the correct boiling points, fine-tuning stabilization tanks, and running every batch through meticulous quality checks means every customer—whether filling a small tank or scaling up to transport cylinders—receives propane they can actually trust. We stake our expertise on C3H8, never cutting corners on separation or handling. Physical impurities and traces of unwanted hydrocarbons bring down performance and raise risk. Our crews inspect every lot for moisture, sulfur, and organic residue, chasing ppm-level clarity that won’t interfere with a catalytic burner, vehicle engine, or food service grill.
From cylinder-filling facilities to bulk transporter docks, we have fielded every question about pressure, liquefaction, and vaporization. Producing propane involves familiarity with both international standards and the hardware customers operate. Typical commercial-grade propane delivered from our plant holds purity well above 95%, with methane, ethane, butane, or propylene rarely amounting to much more than trace background. Gas chromatograph analysis gives us reproducible test values. The boiling point sits near -42°C under atmospheric pressure, turning propane to liquid for convenient storage. Pressurized vessels must safeguard against leaks and overfill, so each distribution batch carries a backing of tested density and vapor pressure data.
Clients distribute requests across a spectrum: 11kg household cylinders, 45kg commercial tanks, or multi-ton pressure vessels for industry. Our equipment remains compatible with standard US and EU filling valves, and we deploy vapor withdrawal, liquid withdrawal, or dip tube technology according to each use case. The steel and alloy drums trucked from our filling stations meet DOT, EN, or ISO standards—these are not claims, but the result of day-after-day weld checks and hydrostatic tests under our engineers’ close supervision.
Fleet managers harness propane for forklifts and vehicles, capitalizing on burn rate consistency and reduced carbon monoxide output compared to gasoline. Farmers employ it to dry crops without contaminating harvests; food service operators run kitchen stoves on a virtually sootless flame. Ovens reach stable heat in minutes. Comfort heating engineers get energy densities up to 46 MJ/kg—every technician knows how quickly a cylinder can lift a warehouse out of winter cold.
The key to propane’s versatility runs deeper than convenience. Our day-to-day handling sharpens perspective on why this hydrocarbon outpaces butane and natural gas for certain purposes. Propane’s physical characteristics make it uniquely stable across a wider temperature window than butane, whose volatility drops off sharply in cold. Outdoor users—food trucks, rural households—never pause to thaw tanks. Even at sub-zero temperatures, the vapor pressure in a clean propane cylinder keeps gas flowing.
Propane trucks out to consumers or dealers in various forms. As a primary manufacturer, we don’t accept double handling or uncertainty in what reaches end users. We answer questions about propane’s energy value compared to liquefied natural gas, pointing to lifecycle emissions, flame temperature, and storability. Methane-based natural gas performs best in fixed-pipeline situations, and butane meets demands where higher boiling points suffice. Propane fits between these extremes—strong enough for power generation and flexible enough for temporary heaters or mobile cooking equipment.
Our understanding of propane’s combustion chemistry benefits from years in the plant. Complete propane combustion results in carbon dioxide and water vapor, yielding far fewer problematic emissions than diesel or coal. Each lot passes odorization control with ethyl mercaptan to ensure gas leaks get detected readily by smell long before trouble materializes. We own up to the real risks—leaks, misfiring valves, or poor pressure regulation—by building fail-safes into distribution and technician training, and by investing in ongoing staff education.
Manufacturing processes hammer home the truth that downtime carries a cost. Unstable gas feeds derail polymer plants, heat-treating operations, or continuous-flow dryers. Our clients—ranging from food processors to chemical plants—run quality checks with a critical eye. Reliable propane allows their lines to keep moving past dusk, in freezing weather, or through supply crunches. Our production doesn’t bow to fragmented supply chains; direct relationships with feedstock suppliers and tight logistical schedules enable shipments to show up on time in the right form.
In metallurgy—aluminum smelting, forging, glass blowing—temperature control proves unforgiving. Propane flames bring about the kind of non-luminous, steady heat that process engineers demand. Steel mill managers want a fuel that won’t leave metallic residues or invisible hot spots. Our gas purity and moisture discipline keep failures to a minimum. A miscalibrated moisture content, left unchecked, causes unseen rust in pipes and equipment. This attention to detail keeps maintenance budgets in check throughout plant lifecycles.
We don’t just monitor propane inside fenced plants. Our teams install, refill, and inspect tanks in the field, outside the predictable safety of a laboratory. Real-world feedback loops through our headquarters—seasonal shifts in demand, unexpected variations in gas withdrawal rates, or regulatory changes in LPG transport. We answer for delivery timelines, packaging integrity, and onsite incident prevention with the same seriousness as instrument calibration on the production line.
Our storage and filling equipment see daily action. Pressure regulators, multistage compressors, and transfer pumps receive weekly maintenance. Each improvement—a shortened cylinder filling cycle, a newly insulated manifold—comes from hard-won lessons, not boardroom slide decks. Propane customers rarely care about abstract claims. Their worry centers on winter breakdowns, supply interruptions, or returns lost to product fouling. We solve those concerns at the source, tightening production tolerances and keeping backup inventory to handle seasonal rushes.
Rational skepticism keeps us honest. We seek international certifications only after our own testing and safety logs meet internal performance thresholds. This approach gave us improved batch-to-batch reproducibility, lowered incident reports on field installations, and stronger word-of-mouth from repeat customers. By tracking loading dock departures, in-transit delays, and pressure relief valve histories, our operations stay agile. Mistakes—be it a vapor lock or a shipping delay—don’t vanish under paperwork. They inform our next improvement.
Few risks earn as much respect as LPG handling. Our plant crews receive fire-response and pressure vessel training right alongside chemical exposure drills. No new valve goes into service without hydrostatic testing above rated working pressure, and flexibility remains in our kit for ever-changing fire code updates. Odorization isn’t a bullet point—it’s a batch process step, with field verifications and documented concentration levels for mercaptan additives.
Transport teams maintain specialized offloading hoses, excess-flow valves, grounding straps, and TSSA-compliant signage. Bulk storage tanks on wheels, whether for auto-gas applications or mobile construction heaters, follow a strict checklist for leak detection, pressure relief, and vapor withdrawal orientation. Direct manufacturer ownership of these procedures ensures root-cause investigation when issues surface. Outside contractors don’t set our standards.
We look out for homes and businesses outside traditional industrial boundaries. Cottage and rural builders use our propane to fuel backup generators that keep vital services alive during outages. Safe tank placements, with wall brackets, surface pads, and isolation valves, reach our smaller clients along with clear operating guides—born out of field audits and feedback. We listen when a deliveryman or client flags a venting issue or hints at confusion over regulator settings, translating that knowledge into updated training and process tweaks.
Manufacturing doesn’t exist in a vacuum. Propane, drawn from natural gas fields, arrives with a proven track record of lower greenhouse gas emissions per unit of energy than gasoline or diesel. We invest in process improvements with daily CO2 monitoring, heat recovery, and lean manufacturing workflows to limit flaring and energy waste. Sustainability isn’t a catchword. We benchmark energy intensity per ton of propane produced and adjust practice according to results. Flare stacks stay lit only for safety, not waste.
Waste management means capturing off-gases, recovering heat from compressors, and even collecting rainwater on plant roofs to feed cooling towers. Regulators keep raising the bar, and so do our in-house audits. We document every upstream feedstock change and challenge local regulators on emission metrics so our propane’s environmental footprint stands up to scrutiny. Refillable cylinders recirculate through our plants with tracked serial numbers, avoiding unnecessary landfill load.
Electric and hydrogen alternatives keep making headlines, but propane’s ease of transport, high energy density, and compatibility with existing infrastructure build a solid case for transitional energy needs. Complaints about fossil-derived molecules don’t disappear overnight, yet propane gives schools, hospitals, and rural districts a bridge for cleaner air and portable heating that handles blackouts and remote sites with minimal fuss and hardware upgrades. Our research teams evaluate renewable propane sources that cut lifecycle carbon to near zero—demonstration projects are in the works, and honest updates will follow as breakthroughs come.
Direct communication with everyone along the value chain—distributors, equipment installers, and end users—allows our plant floor experience to keep improving every year. Suggestions from a roadside team lead to a sturdier valve guard. Questions from a contractor about vapor withdrawal speed shape our next tank sizing proposal. None of this happens behind a sales desk. Prototyping safety shutoffs or tweaking odorant ratios becomes common talk on our shift handovers.
Custom requests shape our propane models. Some customers need long-duration vapor flow for backup generators, while others want quick-draw liquid systems for crop dryers or asphalt heaters. We develop each configuration based on real conditions and field usage logs—what works one winter on the prairies might get adjusted for higher altitude operations after talking to local fire inspectors or food truck operators.
Our doors remain open for plant tours, safety demonstrations, on-site technical consultations, and troubleshooting calls—not just marketing handouts. We take pride when a decades-old client returns for their next expansion or when a new business recommends us because downtime dropped after switching. Our technical service teams pull from field installation logs, reported issues, and seasonal use data instead of leaning on generic guides.
Direct production brings responsibility—and opportunity. Every batch of propane that leaves our filling stations must meet regulatory thresholds, but our culture sets the bar higher. Instrument calibration routines, maintenance logs, and cylinder recertification procedures mature over years of trial, learning, and fixing. Each time a regulator delivers a pinpoint flame or a furnace cycling chart shows steady heat, it reflects continual investment in people and hardware.
We use lean improvement boards throughout our plant. Teams read batch performance data, cross-checking with complaint logs and delivery return reports. Faster filling cycles, lower impurity readings, and safer offloading setups earn recognition in our monthly reviews—not just safety posters. Suggestions from plant operators, drivers, or clients get integrated into revised instructions and safety plans without delay.
Open dialogue with local emergency services, fire marshals, and environmental officers results in regular drills, routine updates to handling protocols, and readiness plans for abnormal events. Fuel manufacturing combines process science with field reality, and we balance both with a clear eye to what actually helps customers succeed—no cutting corners, no “good enough” setbacks creeping in when there’s an issue to solve.
In every cylinder, tank, or bulk shipment, propane from our plant tells a story of methodical care and learning. Where coal conversions fall short or diesel backup systems fumble, propane’s consistency and wide operating window hold steady. Our gas supports growing communities, urban industries, and off-grid homes alike. With so many choices in today’s energy landscape, the best results come by working alongside a manufacturer who values the details—which blend, which vessel, which safety upgrade actually makes a difference.
We lend our attention to the small print and the unflagged risks: regulator freeze-offs, delivery site clearances, odor fading in long storage, temperature swings in exposed tanks. Every time a technician shares their fix for a stuck valve or misfiring burner, that know-how circulates back through our plant and out to partners the next day.
This is what keeps propane relevant decades after its introduction—constant sharpening of processes, honest acknowledgement of weak spots, and partnering directly with those who count on reliable fuel delivery day after day. Each bottle on a service truck or bulk tank at a warehouse means someone gets uninterrupted heat, dependable transport, or smooth industrial output without guessing at purity or safety. That’s a responsibility we take seriously, every batch, every shipment, every day.