Products

AR Sodium Chloride 500g

    • Product Name: AR Sodium Chloride 500g
    • Chemical Name (IUPAC): Sodium chloride
    • CAS No.: 7647-14-5
    • Chemical Formula: NaCl
    • Form/Physical State: Solid
    • Factroy Site: No.70 Danzishi Street,Nanan District,Chongqing,China
    • Price Inquiry: sales2@liwei-chem.com
    • Manufacturer: Chongqing Chuandong Chemical (Group) Co., Ltd
    • CONTACT NOW
    Specifications

    HS Code

    414414

    Product Name AR Sodium Chloride
    Chemical Formula NaCl
    Purity Analytical Reagent (AR) Grade
    Molar Mass 58.44 g/mol
    Appearance White crystalline powder
    Package Size 500g
    Solubility In Water 357 g/L (20°C)
    Melting Point 801°C
    Boiling Point 1413°C
    Cas Number 7647-14-5

    As an accredited AR Sodium Chloride 500g factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The packaging is a white, opaque plastic bottle labeled "AR Sodium Chloride 500g," featuring a screw cap and safety seal.
    Container Loading (20′ FCL) 20′ FCL can load approximately 22,000 bottles of AR Sodium Chloride 500g, securely packed in cartons and suitable for export.
    Shipping AR Sodium Chloride 500g is securely packaged in a sealed, airtight container to ensure purity and safety during transit. The shipment complies with relevant chemical transport regulations, featuring clear labeling and cushioning to prevent damage. Delivery is typically via trusted courier, ensuring prompt and reliable arrival to your specified address.
    Storage **AR Sodium Chloride 500g** should be stored in a tightly closed container, in a cool, dry, well-ventilated area away from moisture and incompatible substances. Keep it away from strong acids and bases. Store at room temperature and avoid exposure to extreme heat or direct sunlight. Ensure the storage area is clearly labeled and follow all relevant safety guidelines and regulations.
    Shelf Life The shelf life of AR Sodium Chloride (500g) is typically 5 years when stored in a cool, dry, tightly-sealed container.
    Application of AR Sodium Chloride 500g

    Purity 99.5%: AR Sodium Chloride 500g with 99.5% purity is used in analytical chemistry protocols, where it ensures reliable and reproducible assay results.

    Particle size 150 μm: AR Sodium Chloride 500g with 150 μm particle size is used for buffer preparation in laboratory applications, where it facilitates rapid and uniform dissolution.

    Stability temperature up to 800°C: AR Sodium Chloride 500g stable up to 800°C is used in high-temperature fusion processes, where it maintains chemical integrity and prevents decomposition.

    Chloride content 60.7%: AR Sodium Chloride 500g with 60.7% chloride content is used in titration experiments, where it provides precise quantification of chloride ions.

    Moisture content ≤0.1%: AR Sodium Chloride 500g with ≤0.1% moisture content is used during standard solution preparation, where it prevents solution dilution and enhances volumetric accuracy.

    Lead content ≤0.0005%: AR Sodium Chloride 500g with lead content ≤0.0005% is used in trace metal analysis, where it minimizes contamination and ensures sensitive detection limits.

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    Certification & Compliance
    More Introduction

    AR Sodium Chloride 500g: A Reliable Choice for Precise Applications

    Understanding the Manufacturer’s Craft

    Producing AR Sodium Chloride 500g means more than scooping salt into a bottle and labeling it “analytical reagent.” In our chemical plant, the process starts with carefully sourced raw sodium chloride. Material purity shapes everything, since any contamination travels forward in the chain. At the onset, we run collected raw sodium chloride through several purification stages, removing trace metal ions and organic residues using tested, well-maintained filtration systems and solution purging tanks. It takes stringent filtration, repeated crystallization, and continuous monitoring to achieve the specific quality mark that analytical work demands. Each batch in our operation faces a consistent battery of in-house tests: moisture content, heavy metal traces, pH comparison, solubility, appearance, and particle size. Even after decades of manufacturing experience, every run can still throw up surprises, usually originating from small shifts in upstream supply or seasonal humidity.

    This product has grown central to chemical laboratories and process control labs. The bottle you get contains 500g of pure sodium chloride prepared to the Analytical Reagent (AR) standard – not food-grade, not technical-grade, not industrial, but a level specifically tailored for measurements and analyses where background contamination can impact the outcome. Our AR standard sits higher in terms of both purity and reliability of the final product. During our large-batch operations, we dedicate entire circuits and vessels to AR runs. Shared lines get cut out, sample lines washed multiple times, and our QA specialists audit random units before a run even leaves the line.

    Why ‘AR’ Means Reliability in the Lab

    Through working closely with research chemists, pharmaceutical technicians, and QC specialists, we've learned what slips through the cracks when the wrong grade ends up in an experiment. Using general industrial-grade salt can leave background levels of magnesium, calcium, or other ions. Some trials only need numbers; others require signal-to-noise ratios that depend on clean blanks, reliable reference solutions, or reproducible results. When a client’s laboratory hits a result that just doesn’t map to theory, and batch checks confirm the sample solvents or reactants carried unknowns, suspicion usually lands on the salt. Over the years we’ve traced minor anomalies in moisture, dissolved metal ions, or unexpected fluorescence directly to substandard salt.

    AR Sodium Chloride gets manufactured in a batch line specifically equipped to avoid such problems. Throughout every production season, we extract samples from designated spots on the batch tank, check for conductivity, resistivity, and run sensitive trace metal scans using atomic absorption spectrometry. Any sample hitting above our own published spec for iron, magnesium, or calcium doesn't make it out of the plant. The waste isn't just flushed -- it’s segregated and reprocessed or used in technical applications where trace levels don’t matter. In short, we guarantee your bottle never contains anything unaccounted for, so when you’re mixing standard solutions or calibrating critical instruments, you know the salt won’t skew your results.

    AR Sodium Chloride in the Real Laboratory

    In the average analytical setup, AR Sodium Chloride shows up everywhere from setting ionic strength in buffer solutions to calibrating chloride ion-selective electrodes or preparing laboratory reagents for titrations. A titration solution prepared from an uncontrolled technical salt batch introduces uncertainty – and you don’t know until it’s too late. It only takes one miscalculation or hidden contaminant to derail hours of work. In our feedback calls with QC offices, users tell us they trust our product because each time they weigh out 58.44 grams to make a liter of 1M solution, conductivity checks line up batch after batch.

    In food safety control labs, AR sodium chloride provides the baseline for verifying sodium levels in processed products. A spike in moisture or caking signals a storage lapse; a faint yellow hue becomes a red flag for potential oxidants or transition metals. We count on our packing operators to spot these visual cues, but we've also invested in digital imaging and automated sensors for cross-verification before sealing the bottles. Over the last few production runs, some users have reported even minor color or flow changes during high humidity spells – our response involved retrofitting dehumidifiers and using dual-seal bottle closures drastically reducing incident rates.

    The Bottle: More Than an Afterthought

    It’s easy to overlook packaging, but as a manufacturer, we see firsthand how poorly sealed containers can undo all our purity work. The AR Sodium Chloride 500g bottles run through triple-wash cycles, followed by a high-temperature dry, before any filling. Every humidity-controlled fill session finishes with a two-layer closure: a tight inner seal and an impact-resistant outer cap. This approach keeps the contents powderlike and prevents cake formation even in tropical shipping conditions.

    Some clients historically requested glass, then switched to tamperproof high-density polyethylene, which holds up better in field shipping and prevents accidental moisture leaks. To adapt, we introduced variants in our filling line, tracking complaints on breakage, vapor ingress, and weight change during storage. Packaging matters as much as the salt itself, especially in field labs or slower-moving storerooms, where even slight changes in mass or texture mean a failed batch or an investigation.

    How AR Sodium Chloride Stands Apart from Technical Grades

    Those who've mixed their own buffer in a hurry with “lab salt” from any box know contamination can strike from the smallest impurity. AR Sodium Chloride leaves no room for that risk. Versus technical or food-grade salt, analytical reagent grade undergoes controls that tighten up the allowed ppm limits of metallic and nonmetallic impurities. Our test records show an average iron content in AR sodium chloride below 2 ppm, well beneath the tolerance range allowed for broad industrial uses, where iron stains or dissolved copper rarely matter.

    We manage this by operating our own dedicated water purification and air systems inside the AR facility, so even airborne dust or operator fingerprints can't add unwanted ions. Routine checks involve both ion chromatography and spectroscopic readings to uncover traces invisible to the naked eye. Years back, a batch of incoming raw sodium chloride arrived with a tiny copper contamination spike. Spotting that in technical grade means little, but for AR it prompted an entire halt and batch quarantine, as the tiniest trace can throw off an analyst’s chloride reference curve. These are not theoretical concerns – they're anchored in decades of practical error tracing on our customers’ behalf.

    The Role of Specifications and Model Control

    For our 500g AR bottles, model codings internally reflect the batch, production line, impurity lot, and packaging cycle. We don't treat model numbers as paperwork. Each batch model links to analytical runs kept on file for traceability, tying the date and operator with the final test certificate. That produce-pedigree trace connects bottle to source, aiding recall analysis or trend tracking if issues arise. At scale, this becomes the backbone for laboratories with an ISO or GLP requirement on every reagent used. Purity confirmation doesn’t boil down to a label claim — it links directly to retained samples and production documentation.

    Laboratories running ion chromatography, polarographic analysis, or gravimetric chloride estimation rely on this level of traceability to defend their protocols and results. They audit us regularly and we invite it. Each time we update a spec or change purification steps, we circulate details through certified technical briefings and feedback. This loop keeps the product sharp and attuned to real-world performance, never copy-pasted from a book but evolving by solving day-to-day lab hurdles.

    Supporting Evolving Research and Teaching

    University teachers have told us our sodium chloride finds its way into hundreds of student labs every semester, part of the backbone not just for quantitative chemistry, but as a benchmark calibration in experiments from acid-base titrations to conductivity measurement. They look for a bottle that students can trust: no caking, no “unknowns,” a product that won’t teach the wrong lesson through hidden variables. We’ve supported faculty by documenting both best handling practices and the pitfalls we’ve seen with improper storage or cross-contamination.

    Researchers use AR Sodium Chloride as a neutral carrier in biomolecule extraction or buffer preparation, where trace contaminants mean the difference between usable and fouled biological samples. In one collaborative partnership with a biotech startup, we worked with their team on a stability study that reviewed sodium chloride-stabilized proteins. Each mismatch in purity and batch stability surfaced rapidly, and our AR product provided the necessary control, reducing repeated troubleshooting time and resources that would have otherwise been spent hunting for “invisible” issues.

    Production Experience and Continual Improvement

    Manufacturing AR sodium chloride brings technical and human demands that push for continuous process review. In our plant, every operator not only gets annual retraining on contamination prevention but also joins cross-team reviews where we dissect near-miss cases and feedback from customer sites. These sessions drove our last upgrade — introducing microfiltered air curtains and foot-operated bottle sealer controls, which reduced operator cross-contact by over two-thirds. Each reported anomaly, no matter how minor, prompts a full review cycle, even if it means holding back sizable batches until everything checks out.

    On the maintenance side, heat exchangers, crystallizers, and wash tanks undergo scheduled non-stop inspections, because scaling or pit corrosion creates sneaky entry points for contaminants. We track maintenance logs with a digital twin system, updating both process and QC records in tandem. This meticulous attention to detail isn’t just about compliance — it reflects our goal to reduce process drift, ensuring every 500g bottle in the AR line delivers what the label claims.

    Practical Differences You See in the Lab

    Put AR Sodium Chloride beside a generic salt under the microscope and the differences show up clearly. Beyond appearance, AR batches dissolve rapidly, leaving no cloudiness or undissolved specks. Chemists value that reliability when tracking reaction endpoints, preparing standard curves, or weighing out exact gram quantities for solution prep. Users know our powder won’t shift in bulk density unless left open, and visual checks reveal a consistent white, crystalline form — any divergence means we trace and recall those lots before they reach your facility.

    In titrimetric procedures, users note less drift and a steadier electrometric response. These aren't abstract “features,” but practical differences that cut down on false positives, recalibrations, or thrown-out tests. The extra care in removing moisture and surface contaminants makes pipetting and weighing more dependable, especially for labs working with automated instruments that depend on repeatability. Older salts or poorly packaged alternatives clump and mislead weighing balances, a hassle users have logged many times before switching to our AR bottles.

    Trust Built Through Routine, Not Exception

    We don’t sell on the promise of perfection but on the evidence of consistent performance. Our best end-users are the ones who keep detailed error logs and aren’t shy in sending back trouble samples. This back-and-forth led us to tweak our packaging schedules, optimize fill weights, and modify our granulation control protocols. By maintaining accurate, transparent records and tracking field feedback, we keep refining what goes in the AR sodium chloride bottle. Every audit, onsite visit, or user interview gives us new details to improve.

    Recently, new impurity tests picked up stray alkali signals below legacy detection limits. Some saw this as evidence of process slip, but it revealed a chance to recalibrate our older instruments and update our water treatment regime. Such findings don’t stall us — they give concrete targets that feed our evolving quality platform. This cycle locks us into a discipline of continual process checkups, not just milestone reviews, deepening the integrity behind every produced and shipped AR sodium chloride.

    Solutions for Future Laboratory Needs

    Listening to our customers means more than setting up a complaint hotline. Technicians in the field want easier batch verification — we responded by putting traceable codes, not just batch numbers, front and center on our AR Sodium Chloride bottles. This traceability goes beyond checkpoints. If a customer faces difficulty tracing anomalies from an experiment, they can now track the entire history of every production step, all the way back to the raw sodium chloride lot.

    With sustainability becoming more urgent, our AR grade bottles now use recyclable plastic, and we’ve tested compostable seals. High-purity manufacturing usually means heavy duty processes, but by introducing closed-loop water recycling and solar supplementation in our plant, we've steadily trimmed energy waste over the last several years. This doesn’t compromise purity, but it lets our customers know the product comes with a reduced environmental burden.

    Feedback guides our next-generation improvements as well. Storing AR sodium chloride seems trivial, but packaging upgrades in response to customer insights have protected against moisture, cross-contamination, and accidental spills, reducing product loss across long shipping routes. These advances rooted in routine conversations, not faceless strategy documents, shape both our future and the longevity of your laboratory investment.

    Conclusion

    Being a manufacturer means shouldering a responsibility that stretches further than filling bottles or shipping boxes. Whenever we see AR Sodium Chloride at work in a lab, clinic, or classroom, we see the culmination of countless production details, user feedback, and on-the-floor vigilance. Each step in our process reflects a commitment to reliability and transparency, shaped by years of trial, revision, and direct listening. Our AR Sodium Chloride 500g doesn’t just promise analytical purity; it delivers it, batch after batch, with traceable assurance and a focus on real-world laboratory needs. For those who refuse to compromise on consistency and dependability, the difference shows up in every result.