Products

AR Analytical Reagent Grade Hydrochloric Acid

    • Product Name: AR Analytical Reagent Grade Hydrochloric Acid
    • Chemical Name (IUPAC): Hydrogen chloride
    • CAS No.: 7647-01-0
    • Chemical Formula: HCl
    • Form/Physical State: Liquid
    • Factroy Site: No.70 Danzishi Street,Nanan District,Chongqing,China
    • Price Inquiry: sales2@liwei-chem.com
    • Manufacturer: Chongqing Chuandong Chemical (Group) Co., Ltd
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    Specifications

    HS Code

    492828

    Chemical Name Hydrochloric Acid
    Grade AR Analytical Reagent
    Formula HCl
    Molecular Weight 36.46 g/mol
    Appearance Colorless to slightly yellow liquid
    Concentration Typically 37% w/w
    Density Approximately 1.19 g/mL (at 20°C)
    Boiling Point 108.6°C (for 37% solution)
    Melting Point -27.32°C
    Cas Number 7647-01-0
    Odor Pungent, irritating
    Solubility In Water Miscible
    Ph <1 (for concentrated solution)
    Storage Store in a cool, well-ventilated area away from incompatible substances
    Hazard Class Corrosive, UN No. 1789

    As an accredited AR Analytical Reagent Grade Hydrochloric Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The AR Analytical Reagent Grade Hydrochloric Acid is packaged in a 2.5-liter amber glass bottle with tamper-evident, chemical-resistant cap.
    Container Loading (20′ FCL) 20′ FCL container loaded with AR Analytical Reagent Grade Hydrochloric Acid, safely packed in high-density polyethylene drums, suitable for export.
    Shipping AR Analytical Reagent Grade Hydrochloric Acid is shipped in tightly sealed, corrosion-resistant containers with proper hazard labeling. Packages comply with regulations for transporting corrosive liquids, including UN-certified packaging. Shipping documents include safety data sheets (SDS), and special handling instructions ensure protection against leaks, spills, and exposure during transit.
    Storage AR Analytical Reagent Grade Hydrochloric Acid should be stored in a cool, well-ventilated area, away from direct sunlight and incompatible materials such as bases and metals. Keep it in tightly closed, corrosion-resistant containers, clearly labeled, and protected from physical damage. Ensure access to spill containment and eyewash stations, and follow all relevant safety regulations for acids.
    Shelf Life AR Analytical Reagent Grade Hydrochloric Acid typically has a shelf life of about 2-3 years if stored in tightly sealed containers.
    Application of AR Analytical Reagent Grade Hydrochloric Acid

    Purity 37%: AR Analytical Reagent Grade Hydrochloric Acid with purity 37% is used in trace metal analysis, where it ensures absence of interfering contaminants.

    Low Residue Level: AR Analytical Reagent Grade Hydrochloric Acid with low residue level is used in preparation of laboratory reagents, where it guarantees high reproducibility of results.

    Stability Temperature 25°C: AR Analytical Reagent Grade Hydrochloric Acid stable at 25°C is used in accurate volumetric analysis, where it provides consistent titration endpoints.

    Chloride Content ≤0.0005%: AR Analytical Reagent Grade Hydrochloric Acid with chloride content ≤0.0005% is used in pharmaceutical quality control, where it minimizes sample contamination risk.

    Heavy Metal Content ≤0.0001%: AR Analytical Reagent Grade Hydrochloric Acid with heavy metal content ≤0.0001% is used in sample digestion for spectroscopic analysis, where it achieves ultra-trace detection limits.

    Low Iron Content: AR Analytical Reagent Grade Hydrochloric Acid with low iron content is used in high-purity silicon wafer cleaning, where it prevents surface staining and corrosion.

    Volatile Impurity ≤0.001%: AR Analytical Reagent Grade Hydrochloric Acid with volatile impurity ≤0.001% is used in preparation of reference solutions, where it ensures long-term solution stability.

    Acidity (12N): AR Analytical Reagent Grade Hydrochloric Acid with acidity (12N) is used in protein hydrolysis, where it allows complete breakdown of peptide bonds for amino acid analysis.

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    Certification & Compliance
    More Introduction

    Introducing AR Analytical Reagent Grade Hydrochloric Acid: Crafted for Precision

    Understanding the Need for AR Analytical Reagent Hydrochloric Acid

    Every chemical process starts with one decision that influences the outcome before any reaction begins: chemical purity. Over decades of manufacturing acids, it becomes clear that the right grade of hydrochloric acid can draw a line between useful results and wasted time. AR Analytical Reagent Grade Hydrochloric Acid meets the stringent qualifications demanded by precise laboratory workflows, where trace impurities can alter findings more than most chemists want to admit.

    Many laboratories and institutions rely on this acid for titration, calibration, inorganic analysis, atomic absorption spectrometry (AAS), and preparing standard solutions. In atomic absorption, for example, any trace metal or contaminant in the acid matrix can interfere with readings, clouding data or prompting costly re-runs. By holding tight control on trace impurities, AR Grade Hydrochloric Acid stands apart from technical and industrial-grade products that allow broader impurity ranges.

    Our production process for AR Analytical Reagent Grade Hydrochloric Acid does not follow shortcuts. From the earliest phase—selecting inputs—to precise distillation and purification, every step answers to internal benchmarks above basic industry norms. Our experience in monitoring each batch has taught us that consistency in purity does not come from machines alone; hands-on attention ensures deviation gets caught before bottles ship out.

    Specifications that Matter in Real-World Laboratory Contexts

    The hydrochloric acid meets or exceeds international standards for Analytical Reagent classification. Each lot typically features low levels of key trace metals, non-volatile residues, and organic contaminants. For laboratories focusing on trace analysis, the difference between an AR-certified batch and a technical-grade source shows in clear, reproducible peaks and solid baseline data.

    Every laboratory chemist recognizes the challenge modern analytical techniques face when using reagents with uncertain purity profiles. Using AR Hydrochloric Acid simplifies method validation, titration endpoints, and quantitation by removing variables nobody wants in their runs. Analysts tracking for elements like lead, iron, or arsenic find that interfering substances in sub-parts per million truly matter—especially where blank values make or break analytical confidence.

    For standard solution preparation, especially volumetric work, AR Grade Hydrochloric Acid provides consistent molarity. Low drift over storage periods means less recalibration or unexpected drift in calibration curves. Our team routinely tracks bottle-by-bottle consistency and regularly reviews deviation records to spot patterns before they reach users. Decades of feedback from research laboratories, quality assurance teams, and reference material producers underscore the value of this close control.

    Common Uses Rooted in Daily Lab Practice

    In industrial or technical settings, ordinary hydrochloric acid works for cleaning, pH adjustment, or pickling. That isn’t the use case in analytical laboratories and regulated quality control. Here, AR Analytical Reagent Hydrochloric Acid finds repeated use in:

    Routine work in environmental laboratories often involves heavy sample throughput, testing water, soil, or air filter digests for trace metals and volatile organics. Analysts quickly learn that using technical-grade acid increases the risk of background contribution or spurious signals. Our product goes through additional filtration, double distillation, and final trace residue checks, so that every shipment follows a strict release protocol. Supporting analytical laboratories didn’t just mean scaling up production. It meant refining internal QC measures year by year, making changes wherever field feedback flagged inconsistencies or drift.

    What Sets AR Analytical Reagent Hydrochloric Acid Apart

    The main differences between AR Analytical Reagent Grade Hydrochloric Acid and more common grades revolve around trace element control, documentation, and batch-to-batch reproducibility. Industrial grades prioritize bulk quantity, cost, and speed; technical grade serves broad utility for simple pH adjustment or cleaning. Analytical Reagent Grade answers to a different end use: sensitive chemistry where any stray ions or organic residues throw off years of research or large-scale quality checking efforts.

    In our manufacturing plant, AR Grade Hydrochloric Acid does not share lines with bulk acid where incompatible materials might degrade purity. Separate glass reactors, dedicated storage tanks, and controlled environments all minimize extraneous input. Specialist technicians oversee each batch instead of shifting the job to general plant staff. These operational details stem from experience; every time a laboratory client reported mystery peaks or unexplained background in chromatography or spectrometry, we went back to trace every possible source. Removing guesswork from raw materials, process equipment, or even packaging makes the product what it is.

    Each AR lot ships with a certificate of analysis that includes detailed levels of trace metals, non-volatile residue, and any organic impurities found, using validated testing methods. Our laboratory does not gloss over low-level findings or skip contaminants less likely to be regulated. We learned long ago that even seemingly innocuous ions can become trouble amid complex or long-term research—sodium, calcium, magnesium, and iron especially.

    Practically, analysts and method developers can trust that AR Analytical Reagent Hydrochloric Acid will not introduce unplanned variation or require repeated blanks and controls. Working directly with hundreds of labs across environmental, pharmaceutical, electronics, and academic sectors, our team takes every raised concern and folds it into production practice. Jumping from technical to AR grade is not just about improving numbers on a spec sheet; it’s about making sure the acid never introduces noise that delays or undermines experiment clarity.

    Real-World Experiences: Challenges and Solutions

    The pressure to deliver clean, repeatable results in regulated industries builds as detection technology improves. Mass spectrometers, AAS, ICP, HPLC, and chromatographic methods pick up signals beyond old detection thresholds. Even if acid purity met yesterday’s standards, today’s instrumentation sees more—and so do international regulatory bodies. Our plant responded by upgrading monitoring protocols, cross-referencing outside test labs, and occasionally rejecting entire batch runs if anything questionable turned up in batch records.

    No single system can catch every contaminant, so building in redundancy became standard practice. Parallel runs for heavy metals, organics, and non-volatiles provide an added layer of confidence for labs pulling from multiple supplier lots. Sometimes, customers supply feedback that makes us double back on methods, equipment, or even packaging. One case involved a pharmaceutical client who identified minuscule levels of zinc, traced back to handling equipment. Substituting non-metal alternatives wasn’t just reactionary; it turned into a plant-wide policy review that further tightened quality control.

    The feedback loop stays open. Our lab technicians run split samples and organize inter-lab comparisons when difficult analytical challenges surface. We have seen how overlooked contaminants, as small as tenths of a part per million, accumulate in downstream processes. One electronics firm reported inconsistent wafer yields linked to cation contamination from rinse acids—prompting us to overhaul tank cleaning and monitoring. These changes don't happen from theory alone: field cases drive plant improvements just as much as internal audits.

    Even bottle material and closure choice matter. In the past, switching packaging led to sporadic impurity spikes in customer data. Changing to high-grade polyethylene bottles eliminated leaching problems seen with other plastics. As more sectors push for ultra-trace analysis, old standards for packaging and bottling don’t hold up. Our plant remains committed to constant testing and adaptation.

    Solutions Informed by Long-Term Partnerships

    Supplying AR Analytical Reagent Hydrochloric Acid means building more than a transaction. Many clients run regulated labs—either ISO 17025, GMP, or GLP certified—where documentation, traceability, and long-term supplier reliability are not optional extras. From lots dating years back, every quality record remains retrievable, supporting customer audits or regulatory queries.

    Education on correct handling and storage of AR Grade acid also forms part of our approach. High-purity hydrochloric acid is sensitive to environmental exposure. Unsealed containers or poor handling can easily introduce dust, airborne metals, or unintended ions. Training client lab personnel, providing guidance on best storage conditions, and advising on closed-system transfers further protect against outside contamination—preventing purity loss right up to the point where the acid enters an analysis protocol.

    When new analytical methods raise detection thresholds, we adapt. If clients find new contaminants or unexpected background levels, our laboratory verifies their claim, undertakes comparative testing, and refines processes as needed. This responsiveness sets concrete lines between AR and lesser grades, emphasizing full partnership and accountability.

    Making a Difference: AR Analytical Reagent Hydrochloric Acid in the Lab

    Most laboratory chemists want to focus on the science, not second-guess whether their results stem from contaminated reagents. Choosing AR Analytical Reagent Grade Hydrochloric Acid eliminates one of the largest unknowns in day-to-day lab work. Method validation not only gets easier, but instrument maintenance often decreases: fewer clogs, less ghosting, and reduced need for excessive blanks or sample reruns. In the case of established protocols or regulatory method requirements, sticking to a proven AR supplier provides the documentation and repeatability needed for audits or publication.

    Processed through multiple distillation steps, subject to routine impurity mapping, and checked against not just national but global analytical norms, AR Analytical Reagent Hydrochloric Acid stands as a cornerstone for accurate, defensible lab work. Every year, production teams review external feedback, listen to evolving method requirements, and upgrade systems to meet or beat rising standards.

    Navigating Practical Concerns

    AR Analytical Reagent Hydrochloric Acid does not fit every budget or use case, and nobody should overspend for general cleaning or pH control. Where the pressure for low uncertainty and high reproducibility drives requirements, the upfront cost balances out over reduced troubleshooting, reruns, and extended platform life. A water-testing lab might see savings in fewer failed samples and shorter turnaround. For pharmaceutical QC, compliance audits run more smoothly with full reagent documentation and reliable performance.

    In environmental monitoring, switching to AR grade over technical grade has reduced out-of-spec sample failure and improved trust with end clients. Diagnostic laboratories report greater assurance during method transfers and multi-site studies. Even in academic research, choosing the right grade grants confidence in peer-reviewed data and enables students or junior researchers to focus on core skills, not troubleshooting equipment or method failures caused by poor reagents.

    For teams benchmarking methods across sites or running high-throughput testing, lot-to-lot uniformity builds trust that results aren’t shifting due to hidden contaminants. Many regulatory authorities worldwide accept labs using AR Analytical Reagent chemicals as meeting or exceeding baseline requirements for trace analytical work. Even as internal standards shift, our plant keeps up, maintaining high oversight and offering transparent reporting with each lot.

    Supporting Future Progress With Experience

    Building trust across the years comes from more than offering a product with a tight impurity profile. It means remaining accountable, providing full records, and adapting as fields move from basic spectroscopic screening to sophisticated isotope and trace detection methods. Regular investment in plant improvements and consistent engagement with international standards bodies help ensure our AR Analytical Reagent Hydrochloric Acid supports researchers at the forefront of their fields.

    Our team understands the direct relationship between chemical quality and laboratory success, because we see it every day in returned customer data, field challenges, and regulatory updates. Improved workflows, reliable documentation, and direct technical support back every bottle that leaves our facility. This partnership underpins years of collaboration, shared learning, and trust—across every laboratory discipline.

    The Impact of Choosing AR Analytical Reagent Hydrochloric Acid

    Selecting AR Analytical Reagent Hydrochloric Acid means opting for a product shaped by decades of manufacturing experience, laboratory collaboration, and constant process improvement. Every step, from initial sourcing to final QC checks, answers to the real needs of analytical professionals. Laboratories who choose this product see reduced troubleshooting, clearer data, and more reliable compliance with demanding international norms.

    Continued feedback and evolving standards will always push us to aim higher—to refine controls, improve packaging, and revisit every part of our process with the same vigilance that drove early breakthroughs in acid purification years ago. With AR Analytical Reagent Hydrochloric Acid, research teams, analysts, and quality professionals receive more than a bottle of acid—they receive decades of learning crafted carefully into every drop, with the transparency and partnership that modern science relies on.