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Chlorophosphonazo I

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Synonyms:
3-[(4-Chloro-2-phosphonophenyl)azo]-4,5-dihydroxy-2,7-naphthalenedisulfonic acid disodium salt
CAS No.:
85561-96-2
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Description
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Chemical Name

Chlorophosphonazo I

Synonyms

3-[(4-Chloro-2-phosphonophenyl)azo]-4,5-dihydroxy-2,7-naphthalenedisulfonic acid disodium salt

CAS No.

85561-96-2

Molecular formula

C16H10ClN2Na2O11PS2

Molecular weight

582.79

Molecular Structure

Details

Appearance: brownish red powder

Sensitivity test for magnesium: Passes test    

Solubllity in water: Passes test   

Separate out paper: Passes test

Main Application

Used as pH indicator.

 

Key Features
High Purity
Our Chlorophosphonazo I is available in high - purity grades. The minimum purity of our standard product is 98%, and for premium products, it can reach up to 99.5%. We implement strict quality control measures throughout the production process. Each batch undergoes comprehensive testing for purity, solubility, and chemical reactivity. This ensures that our product consistently meets and exceeds the highest industry standards, providing you with a reliable and high - performing chemical reagent.
Strong Complex - Forming Ability with Metal Ions
Chlorophosphonazo I has a remarkable ability to form stable complexes with metal ions, especially rare - earth metal ions and alkaline earth metal ions. The azo groups and sulfonic acid groups in its structure can coordinate with metal ions, leading to the formation of highly stable metal - complex compounds. This property makes it an essential reagent in analytical chemistry for the detection and determination of metal ions.
pH - Dependent Color Change
It exhibits a distinct pH - dependent color change. In acidic solutions, it shows one color, and as the pH of the solution changes, the color changes accordingly. This property allows for its use as a pH indicator in certain applications. Additionally, the color change can also be influenced by the presence of metal ions, which further expands its utility in analytical methods.
Applications
Analytical Chemistry
  • Metal Ion Detection and Quantification: In analytical chemistry, Chlorophosphonazo I is widely used for the detection and quantification of metal ions. It is particularly effective in determining the concentration of rare - earth metal ions such as cerium, lanthanum, and neodymium. In complexometric titrations, the formation of a colored complex between Chlorophosphonazo I and the metal ion can be used to determine the endpoint of the titration, allowing for accurate quantification of the metal ion in samples. For example, in the analysis of rare - earth - containing ores, Chlorophosphonazo I can be used to measure the content of various rare - earth elements.
  • Quality Control in Industrial Processes: It is also used for quality control in industrial processes that involve metal ions. In the production of electronics, where the purity of metal components is crucial, Chlorophosphonazo I can be used to detect trace amounts of metal impurities. In the manufacturing of fertilizers, it can be used to analyze the content of metal nutrients such as calcium and magnesium, ensuring the quality of the final product.
Environmental Monitoring
  • Water Quality Analysis: In environmental monitoring, Chlorophosphonazo I plays a significant role in water quality analysis. It can be used to detect the presence and concentration of heavy metal ions in water sources. Heavy metal pollution in water is a major environmental concern, and Chlorophosphonazo I provides a sensitive and selective method for detecting metals like lead, cadmium, and mercury. The color change of the reagent in the presence of these metal ions allows for easy visual and instrumental detection, which is essential for ensuring the safety of drinking water and protecting aquatic ecosystems.
  • Soil Analysis: It can be applied in soil analysis to determine the availability and concentration of metal ions in soil. The ability of Chlorophosphonazo I to form complexes with metal ions helps in extracting and analyzing metals present in soil samples. This information is valuable for assessing soil fertility, as well as for identifying areas with potential metal contamination, which is important for agricultural and environmental management.
Biological and Medical Research
  • Biochemical Assays: In biochemical assays, Chlorophosphonazo I can be used to measure the concentration of metal ions in biological samples such as blood, urine, and tissue extracts. For example, it can be used to determine the calcium ion concentration in blood serum, which is an important parameter in the diagnosis of various diseases. The complex - forming ability of Chlorophosphonazo I allows it to selectively bind to metal ions in biological matrices, and the resulting color change can be measured spectrophotometrically.
  • Cell Culture and Biotechnology: In cell culture and biotechnology applications, Chlorophosphonazo I can be used to control the concentration of metal ions in cell culture media. Metal ions such as iron and zinc are essential for cell growth and function, but excessive or insufficient levels can be harmful. The reagent can be used to adjust the metal ion concentration in the media, providing an optimal environment for cell growth and proliferation.

Safety Information
Hazard Statements
  • Chlorophosphonazo I is harmful if swallowed, inhaled, or absorbed through the skin.
  • It may cause skin and eye irritation. Prolonged or repeated exposure may have adverse effects on health.
  • Contact with strong oxidizing agents can lead to dangerous reactions.
Precautionary Measures
  • When handling this product, always wear appropriate personal protective equipment, including chemical - resistant gloves, safety goggles, and a lab coat or protective apron.
  • Work in a well - ventilated area, preferably under a fume hood, to avoid inhalation of dust or fumes.
  • In case of contact with skin, immediately wash the affected area with plenty of water for at least 15 minutes and seek medical advice. If the compound gets into the eyes, rinse the eyes thoroughly with water for at least 15 minutes, lifting the eyelids occasionally, and then seek immediate medical attention.
  • Do not eat, drink, or smoke in the area where Chlorophosphonazo I is being used.
Penyimpanan
  • Store Chlorophosphonazo I in a cool, dry place, away from direct sunlight and heat sources.
  • Keep it in a tightly sealed container to prevent moisture absorption and contact with air, which could potentially affect its chemical properties.
  • Store it separately from incompatible substances such as strong oxidizing agents and acids to avoid dangerous reactions.

Why Choose Our Product?
Quality Assurance
Our manufacturing process adheres to strict international standards. We operate a state - of - the - art production facility equipped with advanced analytical instruments for continuous quality monitoring. Each batch of Chlorophosphonazo I is comprehensively tested for purity, complex - forming ability, and color - changing performance. This ensures that our product consistently meets and exceeds the highest industry standards, providing you with a reliable and high - performing chemical reagent.
Customized Solutions
We understand that different customers have diverse requirements. Whether you need a specific purity level, a particular packaging size, or a customized formulation for your unique application, our team of experts can collaborate with you to develop a tailored solution. We are committed to providing personalized service to meet your exact needs, ensuring that you get the most suitable product for your use.
Competitive Pricing
Despite our focus on delivering top - quality products, we offer Chlorophosphonazo I at competitive prices. We strive to balance cost - effectiveness with product excellence, providing you with the best value for your investment. Our pricing structure is transparent, with no hidden fees, allowing you to make informed purchasing decisions.
Fast and Reliable Delivery
We have an extensive global logistics network in place. Once you place an order, we ensure prompt processing and delivery. Our team works closely with reliable shipping partners to guarantee that your product reaches you in a timely manner, regardless of your location. We also provide tracking information, enabling you to monitor the progress of your shipment and plan your operations accordingly.
Order Now
Ready to experience the benefits of our high - quality Chlorophosphonazo I? Place your order today by contacting our sales team at [phone number] or [email address]. Our dedicated and knowledgeable staff are ready to assist you with any questions or concerns you may have. We look forward to partnering with you and becoming your trusted supplier for all your Chlorophosphonazo I needs.
 

What is Chlorophosphonazo I?


Chlorophosphonazo I is a highly sensitive metallochromic indicator and spectrophotometric reagent belonging to the family of bisazo compounds. Its chemical structure features multiple aromatic rings connected through azo groups (-N=N-), with strategically positioned phosphonic acid and chlorine substituents that enhance its metal-binding capabilities. The compound typically appears as a dark crystalline powder that dissolves in aqueous solutions to form a purple-colored liquid. This chromogenic reagent demonstrates exceptional selectivity for certain metal cations due to its specific molecular architecture, which creates an ideal chelating environment. Its unique structural characteristics enable it to form stable, intensely colored complexes with specific metal ions, making it particularly valuable in analytical chemistry applications requiring precise metal ion detection.

 

What is Chlorophosphonazo I used for?


Chlorophosphonazo I serves as a specialized reagent for the spectrophotometric determination of rare earth elements and actinides in analytical chemistry. It is particularly effective for detecting thorium, uranium, and lanthanides at trace levels in environmental and geological samples. The reagent's primary application involves forming colored complexes with these metal ions for quantitative analysis through absorbance measurements. Nuclear industries utilize it for monitoring radioactive elements in process streams and waste materials. Environmental scientists employ it to assess heavy metal contamination in water systems and soil extracts. Additionally, it finds use in metallurgical quality control for analyzing rare earth element concentrations in alloys and advanced materials. The method offers advantages over instrumental techniques in field applications or when analyzing complex matrices.

 

Chlorophosphonazo I Benefits


The key benefits of Chlorophosphonazo I include its exceptional sensitivity, enabling detection of metal ions at parts-per-million concentrations or lower. It exhibits remarkable selectivity for specific metal cations, particularly in differentiating between chemically similar lanthanides and actinides. The reagent forms stable complexes with intense molar absorptivity, allowing for accurate spectrophotometric quantification even in complex sample matrices. Its colorimetric response remains stable over extended periods, facilitating reproducible results. Compared to alternative methods, it offers cost-effectiveness and does not require sophisticated instrumentation, making it suitable for field applications. The compound's resistance to interference from common matrix components enhances its reliability for environmental monitoring and industrial process control applications where precise metal ion quantification is critical.

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