|
HS Code |
337866 |
| Chemical Name | Benzotriazole |
| Chemical Formula | C6H5N3 |
| Molar Mass | 119.13 g/mol |
| Cas Number | 95-14-7 |
| Appearance | White to off-white crystalline powder |
| Melting Point | 97-99 °C |
| Boiling Point | 204 °C (decomposes) |
| Solubility In Water | Soluble |
| Pka | 8.2 |
| Density | 1.36 g/cm³ |
| Odor | Odorless |
| Flash Point | 204 °C |
| Stability | Stable under recommended storage conditions |
| Vapor Pressure | 0.008 Pa at 20 °C |
| Partition Coefficient Log P | 1.44 |
As an accredited Benzotriazole factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Benzotriazole is typically packaged in a 25 kg blue HDPE drum with a tightly sealed lid, labeled with product details. |
| Shipping | Benzotriazole is shipped as a solid or crystalline powder, typically in sealed, moisture-resistant containers. It should be stored in a cool, dry, and well-ventilated area, away from strong oxidizers. During transport, packaging must prevent leaks and contamination, and comply with local regulations for handling and shipping chemicals. |
| Storage | Benzotriazole should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from sources of ignition. It should be kept away from incompatible substances such as strong oxidizers and acids. The storage area should be equipped to minimize moisture exposure and prevent contamination, ensuring the chemical’s stability and safety during storage. |
| Purity 99%: Benzotriazole Purity 99% is used in closed-loop cooling water systems, where it provides superior corrosion inhibition for copper alloys. Melting Point 98°C: Benzotriazole Melting Point 98°C is used in metalworking fluids, where it ensures stable protection film formation under varying temperature conditions. Molecular Weight 119.12 g/mol: Benzotriazole Molecular Weight 119.12 g/mol is used in antifreeze formulations, where it enables consistent dispersion and long-term metal protection. Particle Size 50 µm: Benzotriazole Particle Size 50 µm is used in powder coatings, where it optimizes surface coverage and improves uniformity of corrosion resistance. Stability Temperature 200°C: Benzotriazole Stability Temperature 200°C is used in high-temperature lubricant additives, where it maintains integrity and extends the operational lifespan of metal parts. Solubility in Water 20 mg/L: Benzotriazole Solubility in Water 20 mg/L is used in boiler water treatment, where it ensures effective dosing efficiency and cost control. pH Stability Range 5-9: Benzotriazole pH Stability Range 5-9 is used in closed recirculating water systems, where it maintains performance across broad operational pH variations. UV Stability: Benzotriazole UV Stability is used in outdoor protective coatings, where it resists degradation from sunlight exposure and prolongs coating life. Viscosity Grade Low: Benzotriazole Viscosity Grade Low is used in thin-film lubrication applications, where it allows for efficient protective layer spread and rapid surface coverage. Assay 99.5% min: Benzotriazole Assay 99.5% min is used in electronic device packaging, where it minimizes ionic contamination and ensures reliable electrical performance. |
Competitive Benzotriazole prices that fit your budget—flexible terms and customized quotes for every order.
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Producing benzotriazole goes beyond fulfilling an order on a spreadsheet—the real story starts with the chemistry on our production floor. Its demand shows up everywhere from power plants and closed-loop water systems to industrial lubricants and aviation fluids. The product’s strength relies as much on process as on purity. Oversight at every step, from raw material handling to controlled crystallization, builds trust that operators and engineers depend on in heat exchangers, pipelines, copper circuits, and cooling towers. The decision to advance production of benzotriazole at our plant grew out of daily conversations with maintenance teams watching costly copper corrosion eat up their budgets. In these places, we’re not just another supplier: we put our hands on the valve, run daily chemical quality checks, and see shipments clear our own gates.
The starting point is a tightly maintained batch reactor, typically charged with o-phenylenediamine and nitrite sources under robust safety protocols. Slight deviations during synthesis—the wrong temperature hold, overmixing, or air leaks—invite unwanted byproducts. So every shift in our operation sees line operators logging time, temperature, and pH as precisely as a pilot logs flight data. Only after filtering, crystallizing, and drying under monitored conditions does our benzotriazole move to final screening. Every kilo walks through checks for purity above 99.5 percent, particle size, and moisture benchmarks. Without these checks, problems show up later: tank-side deposits, pump wear, and reduced corrosion resistance for end users. We send out material knowing that plant engineers expect consistency because surprises show up as downtime.
Years on the production line have proven that not all benzotriazole is created equal. A 99.5% pure, free-flowing powder might sound impressive, but performance often rests on what’s not advertised—the level of insoluble matter, clarity in solution, and the absence of residual organic amines that foul systems with foaming. We take pride in high-purity material exceeding industry-recognized standards and routinely press our process teams to drive even finer control for demanding cooling loop and electronic circuit applications.
Moisture might seem trivial at the warehouse, but water content rising above 0.1% invites clumping and unpredictable dosing for automatic feeders. We keep every lot on record for traceability. The review of drying data prevents product from leaving before its time. These checks save headaches years later in the field, where operators notice scale or see a drop in their corrosion test coupons.
Direct experience with scale-up has shown that differences often show up under the microscope or during a customer’s performance trial. Some manufacturers cut corners by pushing batches with color impurities—the faint yellowish tint is a sign of poorly controlled oxidation. In copper pipe testing rigs, that turns into a thin layer of residue, which sounds minor until heat transfer starts to drop and plant managers face shutdowns. Our teams have witnessed this firsthand, leading us to tweak filtration and washing protocols. Result: clear, snow-white crystals, free of tarry residues that signal incomplete reaction.
Consistency isn’t just a claim. Side-by-side comparisons of our lots against imported, off-shade alternatives show measurable differences in color number and solution clarity. The feedback comes back in return business when a utility engineer or lubricant manufacturer requests our shipment specifically, recalling the cleaner pump lines and stronger performance compared to reprocessed lots from uncertain sources.
There’s a direct line from our QA lab to the real world. Daily stability trials in simulated coolant environments reinforce that meeting ultra-low impurity targets cuts down on foaming during startup and protects downstream gaskets. Some users chase cost and get fines—particles that clog filters, block jets, and create fouling. We build confidence at the batch level rather than leaving reliability up to luck.
For decades, field teams have counted on benzotriazole to shield copper alloys in water loops, chillers, and process condensers. We learned early from on-site troubleshooting that small departures from spec—say, a few tenths of a percent moisture—wreak havoc for dosing pumps. Dosing modules seize, granules bridge in hoppers, and techs spend nights taking systems apart. This is why we spend significant time dialing in particle size distribution, balancing flowability for dry feeding and rapid solution for liquid makeup. Every improvement traces back to a conversation from the field—a pump technician returning a sample for root cause analysis, a process chemist showing images of unexpected residues on refrigeration plates, a power plant engineer requesting a tighter screen on insoluble particles to match recent thermal audits. These stories drive daily targets for manufacturing, not just sales goals.
In closed-loop HVAC or industrial cooling, benzotriazole stands out as the most reliable inhibitor for copper and copper-alloy metals. Unlike some azoles, our grade resists UV breakdown, maintaining its coverage over months of strong flow and temperature cycling. Operators rarely see pitting or local discoloration if dosing holds steady. The real benefit emerges as lower copper pick-up on corrosion coupons and reduction in lead leaching, which environmental regulators continue to monitor.
Every season, a new request comes in comparing benzotriazole to tolyltriazole (TTA) or other modern azoles. Some producers, especially those with lighter process controls, ship batches with unclear labeling—one look at the color and a quick copper corrosion assay in our hot-testing lab makes distinctions clear. Benzotriazole operates with a different substitution pattern on its ring structure compared to tolyltriazole, and this carries over to performance in moderately high temperatures and slightly alkaline pH ranges. For some industrial users, the non-substituted benzotriazole ring delivers better passivation on high-purity copper or brass under intermittent flow, limiting underdeposit attack.
On the flip side, tolyltriazole can handle certain harsh environments slightly better, especially in the presence of high-chloride streams, but often shows more rapid photo-degradation in exposed recirculating systems. We guide users by offering direct side tests, since clear advice only emerges through batch-to-batch comparisons. If a chiller runs 24/7, high-purity benzotriazole retains its advantage, providing long-term film persistence—our clients usually see fewer surface effects in their annual inspection logs.
Some competitors blend azole inhibitors to widen their coverage and cut cost, but this brings in more unknowns. Impurities rise, and dosing accuracy takes a hit from unpredictable solubility and multi-component mixing. Our company avoids these pitfalls by keeping the product line focused, and by backing up recommendations through long-term corrosivity data and collaboration with customer maintenance crews.
Our team feels the weight of every shipment. Laws and environmental expectations keep shifting. Heavy metals or amine byproducts leaking out of corrosion-control programs can lead to real compliance headaches for our customers and costly recalls for us. That risk pushes us to keep impurity targets as low as possible, not just out of pride but also to protect the water and air that surround our communities. Regular audits force adjustment—something as simple as better solvent handling or improved reactor containment pays off when environmental teams test effluents on-site.
Talk from users at regional cooling-tower conferences about regulators increasing scrutiny makes us double down on control: not just copper stay-down, but also what ends up in the blowdown water. High-purity benzotriazole lessens the environmental load by drastically reducing the unwanted side components that typically slip out with lower grade, off-spec powders. We invest in regular, third-party environmental monitoring—publishing real-world discharge data, not just meeting the law, but exceeding it before required standards move again.
Plant managers and procurement teams care about deliveries that match both paperwork and performance. “Spec sheet compliance” doesn’t count for much if a pipeline or cooling system wastes days in maintenance, or if finishing lines shut down over batch inconsistencies. Over the years, hundreds of procurement conversations have made it clear: reliability builds preference, not just price. Ordering from our line means partnering directly with people who know why a certain lot met or missed the mark, not hoping for assurance from a third-party voice far removed from the line.
User trust also comes from transparency. Each delivery is backstopped by source traceability, periodic review against historic QC records, and a sample retention program open to customers for independent checks. If a question or challenge ever comes up—unusual color, filter clogging, or slower dissolution—our team can pull samples back from the batch in question and run matching analysis, usually reporting data within hours. It’s one of the reasons we rarely see repeat field failures associated with our lots.
Copper corrosion facing new challenges from alternate cooling fluids, higher input water salinity, or more aggressive operating cycles has forced everyone to rethink legacy inhibitor selections. As companies work toward water conservation and closed systems, the concentration of electrolytes and organic contamination sometimes surges beyond what older data predicted. Experience suggests benzotriazole tolerates the rise in background salts better than many substitutes, holding passivity even during brief upsets in dosing.
Data from glassware and field pieces tell a fuller story. Chiller engineers measuring copper pick-up in recirculation loops or in condenser plates still list benzotriazole as the favored option for multiyear service intervals. We invest time testing new sources of raw material for effects on residual impurity levels and solution behavior to ensure field stability. Tighter regulations on discharge and rising costs only raise the bar higher.
No manufacturer should pretend benzotriazole is magic. It protects copper and common alloys against atmospheric, aqueous, and mildly acidic exposure, but won’t stand up to every chemical or to thermal extremes seen in specialized reactors or high-pressure refineries. Experience watching real-world failures shows that overuse or underdosing results in either residue build-up or incomplete protection. We work directly with technical teams to calibrate dosing schemes and to troubleshoot edge cases, not just once but with each system, since every loop tells a different story.
Some new industries push the boundary by combining benzotriazole with unusual surfactant blends or innovative anti-scaling agents. Lab feedback at our site and, more importantly, reports from continuous plant operation, help us adjust our synthesis to stay compatible with these emerging environments. Benzotriazole is stable and well-studied, but keeping pace with changing formulas ensures compatibility—and keeps operations trouble-free.
Years in the business brought a hard lesson: accountability isn’t a slogan, it’s measured by whether our material performs in-the-field. Shipment follow-up tracks how our product holds up a month, a year, or a project later. Power plants returning test coupons and logs confirm whether corrosion slowed as predicted. We don’t rely on distribution channel data alone—direct user feedback, complaint logs, and site visits drive us to refine every process from synthesis to dispatch.
Lab-grade spectrophotometry and IR scans run daily in our lines catch off-spec products before they can reach a client. Full disclosure on impurity profiles, additive compatibility, and long-term field results set the baseline for partnerships. We don’t just fulfill demand—we support stringent protocols so users can trust their system’s performance, underwritten by results borne out in real-world service, not just by what’s printed on standard compliance documents.
Quality control keeps us honest—and not just for paperwork reasons. Regular updates to best practices, in-house staff training, and investment into real analytics pay off every time a client calls after another supplier’s material failed under stress. We hear the stories—the late-night leak, the mysterious pitting that forced an unscheduled shutdown, the tough call to switch vendors. Each event pushes us to improve standards, retest archived batches, and invest in more precise measurement for everything from trace amines to physical uniformity.
A market full of alternative sources only raises the bar. We see side-by-side comparison trials, courtesy of users who’ve contended with everything from Chinese imports to smaller “boutique” lines lacking robust QA. We aim to earn repeat business on the back of clear, measured, and thoroughly documented reliability stemming from our line and the decades of hands-on experience embedded in our team.
The scrutiny of environmental groups and tougher standards keep pushing the field to do better. As a direct manufacturer, we see upstream—from raw chemical sourcing—to the fate of each ton after it leaves. Regular review keeps us ahead of discharge permit changes; our internal controls chase purification and recovery to reduce impact, watched over by both regulatory teams and community partners. We’ve seen plants forced to redirect waste streams or install expensive filtration tanks when tracing the afterlife of uncontrolled triazole discharge.
Shortcuts that looked profitable sometimes come back as liabilities years later. Our team remembers tackling unexpected recalls from legacy packaging practices, and those stories feed directly into stricter stewardship—using closed-loop systems, biodegradable containers, and routine audits. We see environmental stewardship as not just regulatory, but something that wins the trust of end customers looking to shield equipment and meet tightening compliance goals.
Everything that defines our benzotriazole grows from the daily grind on the chemical floor—batch checks, real-time troubleshooting, and feedback loops from customers under real production stress. Only by combining controlled synthesis, careful purification, transparent records, and a respect for the field conditions end users face, do we expect to be chosen over generic options. Benzotriazole stands as a measured, field-proven answer to copper control in today’s rapidly evolving industrial environments. The priority is always direct quality, built through genuine experience—not through untested claims.