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HS Code |
514229 |
| Cas Number | 98-88-4 |
| Molecular Formula | C7H5ClO |
| Molecular Weight | 140.57 g/mol |
| Appearance | Colorless to slightly yellow liquid |
| Odor | Pungent, irritating |
| Melting Point | -1 °C |
| Boiling Point | 197 °C |
| Density | 1.21 g/cm³ at 20 °C |
| Solubility In Water | Reacts with water |
| Vapor Pressure | 1 mmHg at 34 °C |
| Flash Point | 72 °C (closed cup) |
| Refractive Index | 1.554 at 20 °C |
As an accredited Benzoyl Chloride factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Benzoyl Chloride is packaged in a 500 mL amber glass bottle, sealed with a plastic cap, and labeled with hazard warnings. |
| Shipping | Benzoyl chloride must be shipped as a hazardous material, in tightly sealed containers made of compatible materials, typically glass or high-grade plastics. It should be kept cool, dry, and away from moisture, bases, and incompatible substances. Proper labeling and documentation are required, complying with local and international transport regulations. |
| Storage | Benzoyl chloride should be stored in a cool, dry, and well-ventilated area away from moisture, heat, and direct sunlight. Keep it in tightly sealed, corrosion-resistant containers, preferably glass or high-density polyethylene. Store separately from incompatible substances such as water, alcohols, bases, and strong oxidizers. Clearly label containers and ensure access to spill containment and safety equipment in the storage area. |
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Purity 99.5%: Benzoyl Chloride with 99.5% purity is used in pharmaceutical intermediate synthesis, where it ensures high yield and product consistency. Molecular Weight 140.57 g/mol: Benzoyl Chloride of molecular weight 140.57 g/mol is used in agrochemical manufacturing, where it enables accurate stoichiometric calculations for targeted formulations. Low Moisture Content: Benzoyl Chloride with low moisture content is used in dye production, where it reduces hydrolysis byproducts and improves color fastness. Stability Temperature 40°C: Benzoyl Chloride with a stability temperature of 40°C is used in laboratory research, where it maintains reactive integrity during controlled reactions. High Reactivity: Benzoyl Chloride with high reactivity is used in polymer synthesis, where it achieves rapid acylation and uniform polymer chain growth. Colorless Liquid Form: Benzoyl Chloride in colorless liquid form is used in flavor and fragrance manufacture, where it prevents product discoloration and ensures sensory purity. Low Residual Impurity: Benzoyl Chloride with low residual impurity is used in API (Active Pharmaceutical Ingredient) development, where it improves final product purity and regulatory compliance. |
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Few chemicals stir up a sense of expectation in our plant quite like Benzoyl Chloride. The drums roll in and out, carrying a colorless, fuming liquid that’s quietly shaped modern manufacturing since the days chemistry books still had cloth spines. Here, in the heart of our operation, Benzoyl Chloride is more than a line item. It’s a workhorse molecule, built on experience and necessity, and year after year it proves its worth across a spectrum of needs that keep the world running.
Ask anyone in the plant what they notice first about Benzoyl Chloride, and they’ll point out its sharp, acrid odor. But beyond that immediate sensory mark, consistency is where this chemical stands out. Our typical model weighs in at assay levels above 99%, clear as day in its appearance, and impurities are kept so tight you’d be hard pressed to find 0.1% of chlorinated side products in the finished batch. That isn’t marketing gloss—it’s the result of repeatable process control, human vigilance, and a lot of respect for the hazards involved.
The bulk of Benzoyl Chloride leaves our site in corrosion-resistant drums, usually 250 kilograms a pop, specially lined because this liquid does not forgive mistakes. It reacts quickly with atmospheric moisture, releasing HCl gas in a flash—a fact that governs every step we take from filling to sealing. Carelessness isn’t tolerated, and our procedures have bones built on lived experience, not checkboxes.
Many chemists know Benzoyl Chloride as one of the acyl chlorides that react with almost anything: amines, alcohols, phenols, water. But on the industrial floor, what matters is the range of things you can build with a molecule like this. It’s the cornerstone for synthesizing benzoyl peroxide, a staple in polymer manufacture and the plastics industry. Whole generations of plastics rely on that peroxide as a polymerization initiator; without Benzoyl Chloride, production lines for PVC, polystyrene, and acrylic resins slow down or grind to a halt.
In pharmaceuticals, Benzoyl Chloride isn’t a background player. From manufacturing active pharmaceutical ingredients to fine-tuning intermediates, this reagent gets called up for precise reactions—benzoylation, in particular, is vital for setting selectivity or protecting groups across complex syntheses. The difference in purity shows up clearly here: impurities drive side-reactions. If you’ve ever seen a batch ruined by off-smells or unexpected colors, you already know why we keep our standards high. A single tank of off-spec Benzoyl Chloride costs hours, tons in materials, and trust from loyal downstream partners.
Running a Benzoyl Chloride line isn’t for the faint of heart. We draw our experience from decades on the floor, watching pressure gauges rise and fall in real time. The process starts with benzoyl chloride’s parent—benzotrichloride—coupled with controlled hydrolysis or sometimes direct chlorination of benzoic acid. Every operator here could recite the importance of reaction temperature and HCl removal in their sleep: let that gas linger, and you’re looking at pressure spikes and corrosion months down the road.
Reactivity is a double-edged sword. In skilled hands, Benzoyl Chloride’s eagerness lets us make esters, amides, and peroxides with speed and efficiency. A slip, though, leads to dangerous byproducts or runaway reactions. There’s wisdom baked into our daily routines—double-checking glassware, triple-checking gloves and goggles before opening a valve. Even after years of working with this liquid, the fume hood’s roar and the acid’s whiff keep your attention sharp.
Disposal and spill management require commitment and experience. The acid vapor alone will rust steel overnight. Anyone handling Benzoyl Chloride learns fast that it’s not the kind of material you leave sitting out, and we invest in tight environmental controls. Neutralization tanks, scrubbers, and remote sensing aren’t afterthoughts—they’re built into our business plan, protecting both people and the communities downwind of our stacks.
Benzoyl Chloride shares company with several other acyl chlorides: acetyl, propionyl, pivaloyl, and beyond. Each plays a distinctive role, shaped by the nature of the acyl group and the downstream transformations you want. In our experience, what really sets Benzoyl Chloride apart is its robust aromatic nucleus. Compared to acetyl chloride, its larger size and aromatic ring drive very different reaction patterns—less volatile, but with greater chemical stability in storage and reaction setups. The reactivity is high, but easier to manage for precise transformations.
Acetyl chloride has its place, especially for simple acetylations and where light hydrolysis is desirable. But with Benzoyl Chloride, you get control for benzoylation where selectivity and steric bulk are main concerns. In fine chemical synthesis, this makes all the difference. You rarely see Benzoyl Chloride selected for bulk alkylation or routine ester formation as you might with smaller acyl chlorides, but it’s indispensable for specialty aromatics, dyes, pigments, and intermediates where the benzoyl group unlocks new reactivity down the line.
Ask around among long-running dye producers or agrochemical chemists, and you’ll find Benzoyl Chloride enabling routes to complex molecules that simpler alkyl chlorides cannot match. Its aromatic backbone stabilizes intermediates, making possible such products as benzophenone derivatives, certain UV absorbers, and UV curing agents. Essentially, many specialty compounds wouldn’t exist without this molecule in hand, and our lab notebooks and pilot plant records tell a thousand such stories.
We’ve seen Benzoyl Chloride take on many lives in downstream production. In most polymer and resin plants, it reacts cleanly and quickly—whether in taking benzoic acid forward toward peroxides or serving as a benzoylating agent for modifiers. Years ago, a customer’s formulation for an epoxy hardener improved its shelf-life just by switching to our high-purity Benzoyl Chloride, shaving impurities by several orders of magnitude. There’s pride in knowing technical tweaks like that come from hands-on feedback and our own drive for consistency.
Down the road, Benzoyl Chloride gets drawn into the flavor and fragrance sector, not for direct consumption but as a building block that, after further transformation and purification, ends up in the molecules that scent soaps or add undertones to food. These customers push for stricter impurity profiles and higher transparency, leading us to invest in fractionation setups and in-line spectral analysis that weren’t present in the industry a decade ago.
We see a growing interest from agrochemical manufacturers as regulatory hurdles climb and legacy pesticides phase out. Benzoyl Chloride finds itself at the root of many herbicide and fungicide actives—the benzoyl backbone providing environmental persistence and stability that aliphatic chlorides lack. By working side-by-side with downstream engineers on process scale-up, our team learns where purity pays off: in measured release rates, consistent field performance, and predictable environmental behavior.
The march toward greener chemistry isn’t lost on anyone in our company. Chlorinated chemicals attract scrutiny, and Benzoyl Chloride is no exception. We’ve trimmed our emissions relentlessly, investing in more efficient condensation, fume scrubbing, and recycling of process byproducts. These aren’t just regulatory mandates, but hard-won victories against waste—helping us reduce overall raw material consumption, cut disposal costs, and lower the plant’s environmental signature by meaningful margins.
Every year, requests come in for specialty grades—pharmaceutical, high-purity, low-chlorinated, or trace-metal-free. Our floor teams upgrade purification runs, add new columns, and spend extra hours confirming that batches meet these demanding profiles. Not every request is easy to meet, but the chase for higher standards keeps our technical teams sharp and focused.
Logistics matter as much as chemistry. Benzoyl Chloride won’t wait for customs or poorly maintained docks. Delays risk heat rise, leaks, or administrative headaches. So, experience teaches the benefits of airtight scheduling, robust container monitoring, and tracking of every shipment from valve close to delivery—eliminating the sort of slip-ups that can cascade through a supply chain. By sharing our learnings with customers and partner plants, we build competence upstream and downstream alike.
Nothing prepares you for the pace of batch-to-batch review in a Benzoyl Chloride plant. Before a drop leaves the warehouse, in-house labs screen for everything from residual chlorinated solvents to UV-absorbance baseline drift. On the rare occasion a drum doesn’t meet par, the product is reworked, not pushed through. Over the years, this attention to detail has fuelled interest from importers and regulated-market buyers who can’t afford slip-ups in their own production.
The challenges aren’t static. New analytical tools arrive—NMR, GC-MS, even laser-based vapor detectors at loading bays. Where once a titration and visual check stood as standard, now we test for trace contaminants that older processes never detected. This continuous tightening of specs has pushed us to innovate—designing better reaction traps, corrosion-proofing storage, and updating every SOP to catch lessons before they grow into issues. Workers here talk about the “old days,” but nobody misses the headaches caused by underperforming batches.
The same goes for packaging: fresh liners in drums, better venting, and constant QA on labeling. Cold weather brings new risks—water ingress, condensation, all enemies of a fuming acid chloride. We track these pain points seasonally, adjusting shipment routes and warehouse protocols to match reality, not desk-bound assumptions.
Anyone with years in this business can recite the alphabet soup of regulations governing Benzoyl Chloride. From local workplace safety rules to international transport protocols, compliance is a daily reality. Our plant has learned that documentation is no side chore: full traceability of every batch—ingredient source, process history, analytical record, and delivery log—sits ready at a moment’s notice.
Regulators ask for change year in, year out. Sometimes rules shift regarding waste chloride disposal, transportation manifests, or reporting obligations. By working directly with auditors, local authorities, and industry groups, we stay ahead. Training cycles for plant operators run as routine as production batches. New hires walk the floors side-by-side with veterans, learning practical safety not just from classwork but from real near-miss stories. This knowledge transfer keeps regulatory issues in check and reduces on-the-job accidents by attention, not luck.
No site operates in a vacuum. Our town knows our stacks are running, and transparency shapes how we operate. We’ve opened our plant for periodic public tours, not just PR but a genuine show of the controls and discipline needed to make products like Benzoyl Chloride safely. This exposure builds credibility locally and puts direct faces to the names on our chemical manifests.
We’re on the hook for more than just compliance—we want our plant footprint to shrink with every new process. Projects to reclaim HCl, reduce steam use, and capture escaping vapors cut emissions by margins that matter in a regulatory audit and in the lived experience of nearby families. Our partnerships with local emergency services keep everyone prepared, with shared drills and updated response plans based on process changes or new substances brought on site.
Benzoyl Chloride opens possibilities for process chemists and R&D teams pushing toward new APIs, adhesives, or specialty photoinitiators. As a manufacturer, we encounter technical requests that challenge established wisdom—different solvents, new catalyst systems, tighter impurity screens. Customers come to us expecting not just product but know-how won through trial, error, and refinement.
Sometimes the discussion centers on maximizing yield, cutting formation of colored byproducts, or tweaking reaction times. Other times, the priority lies in cost—optimizing dosage rates to stretch batch runs without sacrificing purity. Those questions set the rhythm of our technical support: sending experts out to troubleshoot, offering advice from our in-house failure analyses, and running collaborative lab-scale runs to build solutions hand-in-hand with downstream users.
Changes in downstream regulation—like new residual solvent limits or emerging lists of hazardous reaction partners—force innovation upstream. We adapt our processes, share up-to-date technical sheets, and revise storage advisories accordingly. Customers gain trust in the depth of understanding that a manufacturer, rooted at the source, can provide compared to farther-removed distributors.
Our experience shapes every kilogram of Benzoyl Chloride we produce. As new applications emerge—such as custom nanomaterial functionalization, high-performance coatings, or specialized photoinitiators for 3D printing—our team pushes to support those ambitions. We’re investing in cleaner processes, smarter inline monitoring, and tighter control of impurity profiles, keeping pace with both regulatory and market expectations.
At the core, this chemical remains significant because of its reliability, reactivity, and role in enabling critical industrial transformations. Stories from our plant floor tell a tale of near-misses avoided and improvements hard-won, and that knowledge seeps into every batch that leaves our doors. As technology evolves, we see Benzoyl Chloride continuing to shape the pathways of manufacturing, supporting new innovations built on the foundation of strong, dependable chemistry.
Every step, from raw material intake to delivery on site, reflects a mix of technical skill, hard-earned caution, and genuine pride. Benzoyl Chloride isn’t a product to take lightly. It’s a chemical that demands the best from those who handle it, and over decades it has taught us—sometimes painfully—why quality, vigilance, and responsibility can never slip. The trust our customers place in us is never assumed; it’s reinforced with every drum, every report, and every problem solved together at the bench or in the field.