1-(2-Pyridylazo)-2-naphthol
1-(2-Pyridylazo)-2-naphthol (CAS 85-85-8, C15H11N3O) is a chemical compound with a molecular weight of 249.27 g/mol. Known for its distinct colour changes upon chelation with metal ions, it serves as a valuable analytical reagent. Primarily utilised in spectrophotometric determination of metal ions and as an indicator in metal titrations, it is a key component in various analytical chemistry applications.
- IUPAC
- PAN
Spectrophotometric Determination of Metal Ions
1-(2-Pyridylazo)-2-naphthol is widely employed for the quantitative analysis of various metal ions using spectrophotometry. Its ability to form distinctively coloured chelates allows for sensitive and accurate detection and quantification.
Metal Titration Indicator
This compound functions effectively as an indicator in complexometric titrations, signalling the endpoint through a visible colour change. It is particularly useful for the determination of metals like zinc and cadmium.
Analytical Reagent
As a versatile analytical reagent, 1-(2-Pyridylazo)-2-naphthol finds application in diverse laboratory settings, including cell biology and hematology, where precise chemical detection is crucial.
Spectroscopy
Its chromophoric properties and metal-chelating ability make it suitable for specific spectroscopic analyses, particularly in the UV/Vis spectrum for metal ion studies.
| Molecular weight | 249.27 |
|---|---|
| Empirical formula | C15H11N3O |
| Colour | green to red, upon chelation with metalorange-red, as an amorphous solidyellow, when dissolved in organic solvent |
| Melting point | 138-141 °C(lit.) |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Quality | for spectrophotometric det. of metal ions |
|---|---|
| Absorption | λmax 462 nm |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 1-(2-Pyridylazo)-2-naphthol used for?
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1-(2-Pyridylazo)-2-naphthol is primarily used as an analytical reagent for the spectrophotometric determination of metal ions and as an indicator in metal titrations. It is also employed in spectroscopy and various laboratory analyses.
What is the CAS number and chemical formula for 1-(2-Pyridylazo)-2-naphthol?
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The CAS number for 1-(2-Pyridylazo)-2-naphthol is 85-85-8, and its chemical formula is C15H11N3O.
What grade and purity does Tech Serve Solutions supply for 1-(2-Pyridylazo)-2-naphthol?
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Tech Serve Solutions supplies 1-(2-Pyridylazo)-2-naphthol for spectrophotometric determination of metal ions. While we guarantee the quality of our reagents for their intended applications, we do not represent this product as USP, BP, or EP grade.
What are the safety and handling precautions for 1-(2-Pyridylazo)-2-naphthol?
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1-(2-Pyridylazo)-2-naphthol is a Warning substance classified with hazards H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves, should be used. Ensure good ventilation and avoid dust formation.
How is 1-(2-Pyridylazo)-2-naphthol packed, shipped, and exported?
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Tech Serve Solutions packs and ships 1-(2-Pyridylazo)-2-naphthol according to international regulations for chemical transport. We are an experienced global supplier and exporter, capable of meeting diverse logistical requirements.
How can I request a sample or quote for 1-(2-Pyridylazo)-2-naphthol?
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To request a sample or a quote for 1-(2-Pyridylazo)-2-naphthol, please contact our sales department via the website or by telephone. Our team will be pleased to assist you with your inquiry.
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