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High Purity Xylenol Orange Tetrasodium Salt for Lab Use

  • Time of issue:Aug . 29, 2025 06:20
Tangshan Moneide Trading Co., Ltd. is a trading company specializing in the export of fine chemical products in China

(Summary description)Tangshan Moneide Trading Co., Ltd. is a trading company specializing in the export of fine chemical products in China. Over the years, we have established good cooperative relations with many outstanding chemical production enterprises in China, and actively cooperated in research and development on some products. Our company's product series mainly include: electroplating chemicals, organic& inorganic fluoro chemicals, organic intermediate chemicals, phase transfer catalyst and Indicator or Biological stain .

  • Kategorieë:Company dynamic
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  • Time of issue:2019-12-30 10:55
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Introduction to Xylenol Orange Tetrasodium Salt in Modern Analytics

In the intricate landscape of analytical chemistry, precision and reliability are paramount. Among the indispensable reagents, xylenol orange tetrasodium salt stands out as a highly effective complexometric indicator. This compound, also identified by its CAS number 3618-43-7, plays a crucial role in various titrimetric and spectrophotometric determinations, particularly for metal ions. Its distinct color change properties, coupled with excellent stability, make it a cornerstone in quality control, environmental monitoring, and research laboratories worldwide. As industries demand ever-increasing accuracy in their analytical processes, the demand for high-purity reagents like xylenol orange tetrasodium salt continues to grow, driving innovation in its synthesis and application.

The tetrasodium salt form enhances its solubility and stability in aqueous solutions, making it convenient for preparing standard indicator solutions. Its primary function leverages its ability to form intensely colored complexes with various metal ions, which can then be de-complexed by a stronger chelating agent, such as EDTA, during a titration. This allows for a clear, visual endpoint that signifies the complete binding of the analyte. Beyond its indicator capabilities, xylenol orange tetrasodium salt is also utilized in spectrophotometric methods for quantitative analysis of metal ions at trace levels, offering high sensitivity and specificity.

Industry Trends and Market Dynamics for Analytical Reagents

The global market for high-purity analytical reagents, including complexometric indicators like xylenol orange tetrasodium salt, is experiencing robust growth driven by several key trends. Increasing stringency in environmental regulations necessitates more precise detection of heavy metals and pollutants. Simultaneously, the burgeoning pharmaceutical and biotechnology sectors require ultra-pure reagents for quality control of active pharmaceutical ingredients (APIs), excipients, and final products. The expansion of material science and nanotechnology also contributes, as these fields demand highly specific indicators for characterizing novel materials and processes.

Digitalization and automation in laboratories are further shaping the demand for reagents that are stable, easy to handle, and compatible with automated systems. There's a noticeable shift towards ready-to-use solutions and pre-packaged kits that reduce preparation time and potential for human error. Furthermore, sustainable chemistry principles are influencing reagent manufacturing, with an emphasis on greener synthesis routes and reduced waste generation. Suppliers who can demonstrate adherence to high environmental standards and provide comprehensive technical support are gaining a competitive edge. The reliability associated with a consistent CAS 3618-43-7 product is a key driver for market choice.

Market data indicates a steady compound annual growth rate (CAGR) for the analytical reagents market, projected to be around 5-7% over the next five years. This growth is primarily fueled by rising R&D expenditure in life sciences, increasing food safety concerns, and the expanding industrial sector in emerging economies. The consistent performance of reagents like xylenol orange tetrasodium salt is critical for maintaining data integrity across these diverse applications.

Synthesis and Manufacturing Process of Xylenol Orange Tetrasodium Salt

The production of high-purity xylenol orange tetrasodium salt is a multi-stage chemical synthesis process that demands stringent control over reaction conditions and purification steps to ensure optimal performance as an analytical reagent. The primary raw material is o-Cresolphthalein, which undergoes several key reactions.

Detailed Process Flow:

  1. Condensation Reaction: The initial step involves the condensation of o-Cresolphthalein with formaldehyde and iminodiacetic acid. This reaction introduces the chelating iminodiacetate groups onto the xylenol orange molecule, forming the complexometric indicator structure. Temperature, pH, and reaction time are precisely monitored to maximize yield and minimize by-product formation.
  2. Neutralization and Salt Formation: Following the condensation, the acidic intermediate is carefully neutralized with sodium hydroxide. This step is critical for forming the tetrasodium salt, enhancing its solubility and stability in aqueous solutions. Precise pH control is maintained to ensure complete salt formation without degradation.
  3. Purification: The crude product undergoes a series of purification steps, typically involving solvent extraction, precipitation, and recrystallization. These methods are essential for removing unreacted starting materials, inorganic salts, and other organic impurities that could interfere with its analytical performance. The purity of the final product, identified by CAS 3618-43-7, is paramount.
  4. Drying: The purified xylenol orange tetrasodium salt is then dried under controlled conditions (e.g., vacuum drying or lyophilization) to remove residual solvents and moisture, ensuring long-term stability and accurate molecular weight.
  5. Quality Control & Testing: Each batch undergoes rigorous testing to meet predefined specifications. This includes spectrophotometric analysis (λmax, molar absorptivity), elemental analysis, moisture content, pH of a solution, and its performance as an indicator in a standard complexometric titration. Our testing adheres to internal GLP (Good Laboratory Practice) standards and industry benchmarks such as ISO 9001:2015 for quality management systems.

The target industries for this high-purity compound include analytical laboratories, pharmaceutical quality control, environmental testing agencies, and material science research. The advantage of our precisely controlled manufacturing process lies in the consistent high purity and stable performance of xylenol orange tetrasodium salt, which translates directly into enhanced accuracy and reliability in typical application scenarios such as heavy metal quantification.

High Purity Xylenol Orange Tetrasodium Salt for Lab Use

Visual representation of a typical reagent manufacturing facility, emphasizing precision and quality control.

Technical Specifications of Xylenol Orange Tetrasodium Salt

Our xylenol orange tetrasodium salt is produced to meet stringent analytical-grade specifications, ensuring reliable and reproducible results across diverse applications. The following table provides key technical parameters for our product.

Parameter Specification
Product Name Xylenol Orange Tetrasodium Salt
CAS Number 3618-43-7
Chemical Formula C31H28N2O13SNa4
Molecular Weight 760.60 g/mol
Voorkoms Red-brown to dark red powder
Assay (Spectrophotometric) ≥ 98%
Solubility Freely soluble in water
pH Range (Indicator Function) Optimal 5.0 - 6.0 for many metal titrations
λmax (free indicator) ~440 nm (acidic), ~578 nm (basic)
Storage Conditions Store in a cool, dry place, protected from light.

These specifications ensure that our xylenol orange tetrasodium salt consistently provides the sharp and distinct color changes necessary for accurate complexometric titrations. The high assay value guarantees minimal interference from impurities, making it ideal for critical analytical determinations.

Key Application Scenarios of Xylenol Orange Tetrasodium Salt

The versatility and sensitivity of xylenol orange tetrasodium salt make it indispensable across a spectrum of industrial and research applications. Its primary utility lies in the accurate determination of metal ions, contributing significantly to quality assurance and environmental compliance.

  • Complexometric Titrations: It is widely used as an indicator for the complexometric titration of numerous metal ions with EDTA (Ethylenediaminetetraacetic acid). Common analytes include lead (Pb), zinc (Zn), cadmium (Cd), bismuth (Bi), thorium (Th), and various rare earth elements. The distinct color change from red-violet (metal-indicator complex) to yellow (free indicator) at the equivalence point provides a precise visual cue.
  • Spectrophotometric Determinations: Beyond titrations, xylenol orange tetrasodium salt forms stable, highly colored complexes with many metal ions that can be quantified spectrophotometrically. This method is particularly useful for trace metal analysis in environmental samples, biological fluids, and high-purity materials, where the concentration is too low for titrimetric methods.
  • Environmental Monitoring: In water and wastewater treatment facilities, it is employed for the rapid and accurate determination of heavy metal contaminants. This helps in ensuring compliance with regulatory discharge limits and assessing water quality.
  • Quality Control in Manufacturing: Industries like metallurgy, electroplating, and catalyst production utilize xylenol orange tetrasodium salt for the quality control of raw materials and finished products, verifying the precise composition of metal alloys or the presence of specific metal impurities. The consistent purity of CAS 3618-43-7 ensures reproducible results.
  • Pharmaceutical and Chemical Synthesis: In the pharmaceutical sector, it can be used to monitor metal ion impurities or the concentration of metal catalysts in synthetic routes, ensuring product safety and efficacy.
  • Soil Analysis: Agricultural laboratories use it to determine essential trace elements and heavy metals in soil samples, aiding in soil remediation and nutrient management strategies.

The robust performance of xylenol orange tetrasodium salt across these diverse applications underscores its importance as a reliable analytical tool.

Technical Advantages and Performance Benefits

Our xylenol orange tetrasodium salt offers significant technical advantages that translate into superior analytical performance and enhanced operational efficiency for our clients. These benefits are critical for achieving high levels of accuracy and reliability in demanding analytical environments.

  • High Purity and Consistent Quality: Manufactured under stringent quality control (ISO 9001:2015 certified), our xylenol orange tetrasodium salt boasts a purity of ≥ 98%. This high purity minimizes the presence of interfering substances, ensuring clear and sharp endpoints in titrations and accurate results in spectrophotometric assays. Batch-to-batch consistency is guaranteed, reducing the need for recalibration and revalidation.
  • Sharp and Distinct Color Transition: The indicator provides a very clear and easily discernible color change during complexometric titrations. This sharp transition from red-violet (in the presence of metal ions) to yellow (when all metal ions are chelated by EDTA) minimizes subjective interpretation errors, leading to more precise and reproducible results.
  • Excellent Sensitivity: Xylenol orange tetrasodium salt is highly sensitive to trace amounts of various metal ions, making it suitable for applications where low concentrations are critical. This sensitivity allows for accurate determinations even when analyte concentrations are in the parts per million (ppm) range.
  • Broad Applicability: Its ability to complex with a wide range of metal ions, including Pb, Zn, Cd, Bi, Th, and rare earths, makes it a versatile tool for various analytical needs across different industries. This broad applicability simplifies reagent inventory and workflow.
  • Enhanced Solubility and Stability: As a tetrasodium salt (cas 3618 43 7), it exhibits excellent solubility in water, facilitating easy preparation of indicator solutions. Its inherent stability under recommended storage conditions contributes to a longer shelf life, reducing waste and replacement costs.
  • Compatibility with Automated Systems: The consistent quality and predictable performance of our xylenol orange tetrasodium salt make it an ideal choice for integration into automated titration systems and spectrophotometers, enhancing throughput and reducing manual labor.

These advantages collectively contribute to more efficient, reliable, and cost-effective analytical operations for our clients, reinforcing our commitment to delivering superior chemical reagents.

Vendor Comparison and Moneide Chem's Value Proposition

In the highly competitive market for analytical reagents, selecting the right vendor for xylenol orange tetrasodium salt is crucial for ensuring the integrity and efficiency of your laboratory operations. While many suppliers offer chemical products, Moneide Chem distinguishes itself through a steadfast commitment to quality, technical expertise, and customer-centric service.

Feature Typical Vendor Offering Moneide Chem's Advantage
Product Purity (Assay) Generally ≥ 95% ≥ 98%, verified by spectrophotometry and titrimetric analysis. Ensures minimal interference.
Batch Consistency Variable; dependent on QC processes. Rigorous ISO 9001:2015 certified QC, ensuring highly consistent performance across all batches of xylenol orange tetrasodium salt.
Technical Support Basic product data sheets. Dedicated technical specialists, application support, and detailed analytical protocols for xylenol orange tetrasodium salt (cas 3618 43 7).
Customization Options Limited to standard packaging. Flexible solutions for specific concentrations, packaging, and custom analytical specifications.
Supply Chain Reliability Standard lead times, potential for delays. Robust logistics network, transparent lead times, and proactive communication to minimize disruptions.

Moneide Chem's commitment to quality is not just a promise but is embedded in our operational ethos. We leverage years of experience in chemical synthesis and purification to deliver xylenol orange tetrasodium salt that consistently exceeds industry standards. Our dedication to thorough characterization and rigorous testing ensures that every gram of our product contributes to precise and accurate analytical outcomes for our global clientele. This unwavering focus on product excellence, combined with our responsive technical support, positions us as a preferred partner for critical B2B applications.

Customized Solutions for Specialized Applications

Recognizing that standard product offerings may not always perfectly align with every unique analytical requirement, Moneide Chem provides comprehensive customized solutions for xylenol orange tetrasodium salt. Our technical team collaborates closely with clients to develop tailored products that meet specific concentration needs, packaging preferences, or purity benchmarks.

Whether it's preparing pre-dissolved solutions at a precise molarity, providing specific particle size distributions for powder forms, or developing custom analytical kits incorporating xylenol orange tetrasodium salt, we are equipped to respond. Our flexible manufacturing capabilities and experienced R&D team can adapt synthesis and purification protocols to achieve unique specifications. This bespoke service ensures that our clients receive a product optimally suited for their specific instruments, methods, and quality control paradigms, enhancing efficiency and accuracy in their specialized operations. This is particularly valuable for complex industrial processes or novel research endeavors where off-the-shelf solutions may not suffice.

Application Case Studies

These case studies illustrate the practical impact and reliability of our xylenol orange tetrasodium salt in real-world analytical challenges.

Case Study 1: Heavy Metal Monitoring in Industrial Wastewater

Client: A large-scale electroplating facility in the Midwest, facing strict environmental discharge regulations for heavy metals.

Challenge: The facility needed a highly accurate, yet rapid, method to quantify lead (Pb) and zinc (Zn) concentrations in their treated wastewater before discharge. Previous methods were time-consuming and prone to matrix interferences, occasionally leading to non-compliance fines.

Solution: Moneide Chem recommended the implementation of a complexometric titration method using our high-purity xylenol orange tetrasodium salt (cas 3618 43 7) as an indicator, followed by titration with a standardized EDTA solution. Our technical team provided detailed protocols, including pre-treatment steps to minimize interferences.

Outcome: The client observed a significant improvement in the precision and accuracy of their Pb and Zn determinations. The sharp color change provided by our xylenol orange tetrasodium salt allowed their technicians to identify the titration endpoint consistently, even with varying sample matrices. This led to a 30% reduction in analytical time per sample and a 100% compliance rate with discharge limits over a six-month period, eliminating all previous fines. The client praised the reliability and consistent quality of the indicator, directly attributing their improved operational efficiency and regulatory compliance to its performance.

Case Study 2: Quality Control in Rare Earth Element Production

Client: A specialized chemical company producing high-purity rare earth oxides for advanced electronics applications.

Challenge: Accurate quantification of individual rare earth elements (e.g., Scandium, Yttrium, Lanthanum) in their intermediate and final products was critical for product specification and ensuring desired magnetic and optical properties. Existing methods were often complex and lacked the necessary precision for distinguishing closely related elements.

Solution: Moneide Chem supplied xylenol orange tetrasodium salt for the development of a spectrophotometric method tailored for specific rare earth element determination. Our technical experts assisted in optimizing the pH conditions and complexation parameters, leveraging the distinct absorbance characteristics of the metal-xylenol orange complexes.

Outcome: The new method, utilizing our xylenol orange tetrasodium salt, allowed the client to achieve unprecedented accuracy in quantifying individual rare earth elements. The high purity of the indicator minimized background interference, enabling clearer spectral differentiation. This significantly enhanced their quality control processes, leading to tighter product specifications, reduced off-spec batches by 15%, and ultimately, a stronger market position for their high-value rare earth products. The client specifically highlighted the reproducible performance and stability of our xylenol orange tetrasodium salt solution.

Ensuring Trust: FAQ, Fulfillment, and Support

At Moneide Chem, building trust and ensuring a seamless experience for our B2B partners is paramount. We uphold the highest standards of transparency, quality assurance, and customer service for our xylenol orange tetrasodium salt and all our products.

Frequently Asked Questions (FAQ)

Q1: What is the recommended storage condition for xylenol orange tetrasodium salt?

A1: It should be stored in a cool, dry place, protected from light. Keeping it in a tightly sealed container111 will prevent moisture absorption and degradation, ensuring its long-term stability and efficacy.

Q2: What is the typical shelf life of your xylenol orange tetrasodium salt?

A2: When stored under recommended conditions, our xylenol orange tetrasodium salt has a shelf life of 3 years from the date of manufacture. Each product comes with a clear expiration date on its label.

Q3: Can xylenol orange tetrasodium salt be used for automated titration systems?

A3: Yes, its high purity and consistent performance make it an excellent choice for automated titration systems, ensuring reliable and reproducible results in high-throughput environments. Our technical support team can assist with integration guidelines.

Lead Time and Fulfillment Details

Moneide Chem maintains robust inventory levels and efficient logistics to ensure prompt delivery. Standard orders for xylenol orange tetrasodium salt typically have a lead time of 3-5 business days for domestic shipments and 7-14 business days for international orders, depending on the destination and customs procedures. For bulk orders or customized solutions, lead times will be communicated clearly during the quotation process. We work with reputable logistics partners to ensure secure and timely delivery.

Warranty Commitments

We stand behind the quality of our xylenol orange tetrasodium salt. All products are supplied with a certificate of analysis (CoA) detailing their specifications and are warranted to meet these specifications at the time of shipment, provided they are stored and handled according to our recommendations. In the unlikely event of a product not meeting its specified quality, we offer a replacement or credit, subject to our standard terms and conditions. Our commitment to ISO 9001:2015 quality management systems underscores this guarantee.

Dedicated Customer Support

Our dedicated customer support team and technical specialists are available to assist with product inquiries, technical guidance, and order processing. From initial consultation to post-purchase support, we ensure comprehensive assistance. You can reach us via phone, email, or through our website's contact portal. Our goal is to forge lasting partnerships by providing not just high-quality reagents but also unparalleled service and expertise, especially for products like xylenol orange tetrasodium salt identified by cas 3618 43 7.

Conclusion

As a critical complexometric indicator and spectrophotometric reagent, xylenol orange tetrasodium salt (CAS 3618-43-7) continues to be an indispensable tool in modern analytical chemistry. Its unique properties, including high sensitivity, sharp color transitions, and broad applicability, make it invaluable for diverse applications ranging from environmental monitoring to pharmaceutical quality control. Moneide Chem is committed to providing a superior grade of xylenol orange tetrasodium salt, manufactured with rigorous quality control and backed by exceptional technical support and customer service. By choosing our product, B2B decision-makers and engineers can ensure the highest levels of accuracy, reliability, and efficiency in their critical analytical processes, contributing to better data, safer products, and a more sustainable future.

References

  1. Schwarzenbach, G., & Flaschka, H. (1969). Complexometric Titrations (2nd ed.). Methuen & Co Ltd.
  2. Pribil, R. (1972). Analytical Applications of EDTA and Related Compounds. Pergamon Press.
  3. Kolthoff, I. M., Sandell, E. B., Meehan, E. J., & Bruckenstein, S. (1969). Quantitative Chemical Analysis (4th ed.). Macmillan.
  4. Vogel, A. I. (1989). Vogel's Textbook of Quantitative Chemical Analysis (5th ed.). Longman Scientific & Technical.

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