|
HS Code |
818764 |
| Product Name | AR Formaldehyde 500ml |
| Chemical Formula | CH2O |
| Molecular Weight | 30.03 g/mol |
| Concentration | Usually 37% solution in water |
| Volume | 500 ml |
| Purity | Analytical Reagent (AR) grade |
| Appearance | Colorless liquid |
| Odor | Pungent, irritating |
| Density | Approximately 1.08 g/cm³ |
| Boiling Point | 98 °C (decomposes) |
| Solubility | Miscible with water, alcohol, and ether |
| Storage Conditions | Store in a cool, well-ventilated place, tightly closed |
| Cas Number | 50-00-0 |
As an accredited AR Formaldehyde 500ml factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The AR Formaldehyde 500ml is packaged in a brown glass bottle with a secure screw cap, clearly labeled for laboratory use. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for AR Formaldehyde 500ml: 1,800 cartons, each containing 24 bottles, securely packed for safe transportation. |
| Shipping | AR Formaldehyde 500ml is shipped in a securely sealed, chemical-resistant bottle, packed with absorbent materials and secondary containment to prevent leaks. Transport follows hazardous materials regulations, utilizing proper labeling and documentation. Delivery is via approved carriers to ensure safe handling and compliance with chemical safety and environmental guidelines. |
| Storage | AR Formaldehyde 500ml should be stored in a tightly closed, chemical-resistant container in a cool, well-ventilated, and dry area away from direct sunlight and sources of heat or ignition. Keep it separated from incompatible substances such as acids, bases, and oxidizers. Ensure appropriate spill containment and clearly label the storage area. Wear suitable protective equipment when handling. |
| Shelf Life | AR Formaldehyde 500ml typically has a shelf life of 12 months when stored tightly sealed in a cool, well-ventilated area. |
|
Purity 37%: AR Formaldehyde 500ml with purity 37% is used in histopathology laboratories, where it ensures effective tissue fixation and preservation of cellular morphology. Molecular Weight 30.03 g/mol: AR Formaldehyde 500ml of molecular weight 30.03 g/mol is used in industrial resins production, where it provides precise cross-linking for enhanced polymer strength. Stability Temperature 15-25°C: AR Formaldehyde 500ml with stability temperature 15-25°C is used in biological specimen storage, where it maintains chemical integrity and prevents degradation of samples. Aqueous Solution: AR Formaldehyde 500ml aqueous solution is used in immunohistochemistry protocols, where it delivers uniform penetration and reliable antigen preservation. Low Residual Methanol: AR Formaldehyde 500ml with low residual methanol is used in electron microscopy sample preparation, where it minimizes background interference and supports high-resolution imaging. |
Competitive AR Formaldehyde 500ml prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615380400285 or mail to sales2@liwei-chem.com.
We will respond to you as soon as possible.
Tel: +8615380400285
Email: sales2@liwei-chem.com
Flexible payment, competitive price, premium service - Inquire now!
Everyday, we monitor consistency and purity with our AR Formaldehyde 500ml. Years of experience in large-scale synthesis have taught us how even minor shifts in quality show up in the lab later as inconsistencies. Analytical Reagent (AR) grade formaldehyde is distinguished by its tight composition standards and ultra-pure raw input. We remove contaminants at each manufacturing stage. Each lot passes repeated purification and batch-specific analytical checks. The clarity in the bottle isn’t just a marketing line; it comes from our attention to details, like keeping collection lines free of residual carbon and using ultra-clean storage vessels. For labs and institutions demanding repeatable, reliable chemical results, these precautions form our operational routine, never an afterthought.
Our 500ml bottle offers a balance for research groups working through busy project cycles. Smaller volumes cut waste, lower spoilage risk and make it easy to handle day after day. In bigger bottles, formaldehyde can degrade or lose potency because each opening introduces air. In 500ml containers, fresh solution meets your bench with minimal shifts in strength or pH. Technicians tell us that this size supports precise batch preparation – large enough to run several analyses, compact enough for practical storage and safe movement under fume hoods and in cold rooms.
We have seen labs frustrated by unreliable sources. Not all formaldehyde claims the same AR label. In our production space, rigorous quality testing eliminates ambiguity: we check for total organic impurity load, track acidity, and confirm concentration to the decimal point. We keep batch records going back years, giving users documented traceability. Even water used is ultra-filtered to remove ions that could cloud results. In our experience, lower-grade or technical formaldehyde sometimes carries minute metallic residues or trace solvents. Over time, these can skew sensitive assays. Our approach removes these risks at the source via sequential distillation, polishing filtration, and continuous process validation.
AR Formaldehyde 500ml supports a wide spectrum of activity. In tissue fixation, only clear, stable solutions will preserve cellular architecture without introducing background “noise.” Biological labs rely on our consistent formulation for protein cross-linking and histology. Analytical chemists demand stable fixatives for chromatography and further derivatization work. Our customers prepare standards for routine environmental assessments and precise chemical syntheses. They need reproducible results, not surprises caused by hidden instabilities.
Our batches meet the most discriminating analysts’ standards, and technicians can smell the difference – literally. Lower purity formaldehyde carries trace “off” odors: hints of methanol, acetic acid, or aldehyde degradation products. We reduce these by understanding chemistry at the manufacturing end, minimizing exposure to air, and preventing cross-contamination. Continuous feedback helps us refine these processes. The result is a clean, potent, and controlled product delivered each cycle.
In production, our team faces many of the same challenges as our end-users do in their own labs, just at a larger scale. Formulating AR grade formaldehyde is a cumulative effort: handling pure feedstock, running each batch on dedicated glassware to block leaching, checking concentration and acidity every time. We physically test for polymerization to pre-empt formalin clouding. Our routines grew out of direct problem-solving – we saw lesser grades form visible residues in fixatives or yield chemical blanks that failed internal tests.
Long-term relationships with instrument makers and academic partners continually shape our standard protocols. If a scientist points out residue, haze, or errant measurement, our next batch addresses it. Weekly reference analyses keep us ahead of drift. This commitment keeps our AR Formaldehyde in compliance with the specifications outlined in international analytical standards, not just in word but in practice, based on daily monitoring and adjustment.
Some buyers ask: “Can I use technical or chemically pure formaldehyde instead, for cost savings?” Years of feedback tell us where cheaper grades fall short. Technical and CP grades go through fewer purification cycles and often linger in storage tanks that see a mix of processes. Cross-batch residues, water content, even old stabilizer agents drift up over time. These subtle errors introduce unwelcome ambiguity, especially in fine analytical or biological assays where even a trace contaminant bands together with the sample, warping results.
In contrast, AR grade formaldehyde emerges from a single-purpose run, with dedicated lines, minimal holding times, and maximal removal of metals, alcohols, and acid fragments. Every bottle comes from documented, repeatable process cycles, with a clear chain of custody on every lot. For sensitive tissue samples, enzyme work, or critical quantification, this purity gives researchers their confidence in both everyday and high-stakes work.
Our senior operators remember early years when sub-batch drift led to an entire lot being tossed out. Lessons like this inform our present: we calibrate our meters with NIST-standard solutions, run side-by-side comparisons against control samples, and constantly report batch performance data for team review. If a process introduces even a slight temperature or pressure variation, the whole run is scrutinized. We do this so our customers won’t need to question their own results.
A big part of maintaining high standards lies in logistics and environmental management. Our formaldehyde never sits near reducers, bases, or strong organics that could volatilize and leak trace byproducts into storage. Every valve, cap, and funnel sees routine cleaning, with all glassware cycled through acid washes then neutral rinses to keep mineral residue almost undetectable. We encourage customer visits and audits, having nothing to hide in making AR grade chemicals. Being transparent about what goes into our process, and how we catch and fix issues, allows researchers to focus on their own breakthroughs without second-guessing the integrity of their tools.
AR Formaldehyde 500ml calls for careful handling, as formaldehyde is a respiratory and skin sensitizer. Our staff uses full PPE—ventilated hoods, acid-resistant gloves, and face shields for every transfer and decant. We ship products only in certified, chemically resistant bottles, sealed air-tight. This helps minimize evaporation and handling risks both here and during transport. We track all feedback concerning packaging, labeling, and user guidance, updating delivery protocols with proven improvements from both our own usage and customer suggestions.
Unexpected experimentation breaks or damaged batches can hold back entire research teams. Knowing this, we maintain staggered production runs for AR Formaldehyde, maintaining inventory buffers and validating every lot before sending out an order. This rhythm means we meet time-sensitive or recurring needs while keeping products fresh. Larger labs working in surge mode get parallel shipments to support workload spikes.
Repeated client feedback reminds us not to treat any batch or bottle as routine. We listen for minor issues—a bottle cap threading fault, preservation anomaly, or delayed arrival. Corrections come swiftly because the people who formulate, fill, label, and pack our formaldehyde stand behind the product. Each time a new protocol or testing need arises, our technical team reviews and, when warranted, tweaks the production cycle.
Formaldehyde stands among the most heavily regulated chemicals. Our plant manages emissions and liquid waste with advanced scrubbers and holding tanks. We reuse rinse waters—always outside AR supply chain—where possible, and test air releases for safe levels per local and global air quality standards. Bottles are selected for minimal leaching and optimized for reuse or recycling. We meet regulatory and community expectations precisely because we live and work in the same environments touched by chemical manufacture.
Our goal has been to produce precise, reliable AR Formaldehyde in 500ml volumes with a minimum of waste footprint. Every improvement in containment, reuse, or efficiency echoes in the final product’s consistency. Users looking for a responsible origin in their supply chain find it in these details.
Standing in a production bay, you feel the pulse of a chemical process—the scent in the air, hint of vapor over a tank, timestamped data printouts aligning with visual checks. This context matters as much as certificates and paper guarantees because it keeps error rates low. We design our AR Formaldehyde 500ml with this lived production experience, not just specifications on a sheet.
Often, research outcomes and scientific advances trace back to the foundations—the glassware, the solvents, the reagents. Reliable AR Formaldehyde brings stability to discoveries, not by overselling, but by quietly reducing uncertainty. With this product, developed through hands-on effort, integrity in quality, and learning through feedback, we support research at every level, from teaching labs to the discovery lines of industry.
Taking feedback seriously, we have a habit of following up with research users, maintenance staff, and safety officers. From their observations—sometimes about something as simple as an ease-of-open cap or a new cap seal—we direct factory upgrades. Recalls for off-standard batches, though rare, go back through root-cause tracing in unified records. As a manufacturer, it’s clear: chemical supply is a living collaboration, solved by people, built on learned and shared discipline.
Through years spent refining methods and putting each adjustment to the test, we provide AR Formaldehyde in 500ml volumes that matches both regulatory expectations and the real-world needs of practicing scientists. Pushing for perfect runs doesn’t slow us—it ensures your benches and results keep pace with ever advancing technology and demand for accuracy.
Laboratories and industrial R&D teams that count on consistent, pure, and accountable chemicals see differences not just in data sheets, but in their workflow results. With AR Formaldehyde 500ml manufactured to meet a higher bar—set by both regulation and practical necessity—teams remove sources of error well before the first pipette draws product.
The distinction lies in knowing your reagents reflect the effort, care, and responsibility of the people behind them. Experience and a close-knit feedback loop continue to show that quality today builds confidence for tomorrow’s discoveries. In each bottle, our team’s steady focus delivers formaldehyde that doesn’t distract from your work, but quietly empowers it.