4-(2-Thiazolylazo)resorcinol
4-(2-Thiazolylazo)resorcinol (CAS: 2246-46-0), with the molecular formula C9H7N3O2S and a molecular weight of 221.24 g/mol, is a valuable reagent. It is primarily utilised for the spectrophotometric determination of trace metals. This compound serves as a critical component in analytical chemistry, facilitating accurate quantification of various metallic elements in different sample matrices.
- IUPAC
- 2-(2,4-Dihydroxyphenylazo)thiazole,TAR

Spectrophotometric Trace Metal Analysis
4-(2-Thiazolylazo)resorcinol is employed as a chromogenic reagent for the spectrophotometric determination of trace metals. Its ability to form coloured complexes with metal ions allows for their quantitative analysis, crucial in environmental monitoring and quality control.
Analytical Reagent
As a versatile analytical reagent, it finds application in laboratories for various chemical analyses. Its specific reactivity profile makes it suitable for detecting and quantifying specific metal ions with high sensitivity.
Research and Development
This compound is utilized in research settings for developing new analytical methodologies or for studying the complexation behaviour of thiazolylazo dyes with metal ions.
| Molecular weight | 221.24 |
|---|---|
| Empirical formula | C9H7N3O2S |
| Assay | 97% |
| Application | Useful for the spectrophotometric determination of trace metals. |
| Melting point | 211 °C (dec.)(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.
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 4-(2-Thiazolylazo)resorcinol used for?
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4-(2-Thiazolylazo)resorcinol is primarily used for the spectrophotometric determination of trace metals, serving as a chromogenic reagent in analytical chemistry.
What are the CAS number and formula for 4-(2-Thiazolylazo)resorcinol?
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The CAS number for 4-(2-Thiazolylazo)resorcinol is 2246-46-0, and its molecular formula is C9H7N3O2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-(2-Thiazolylazo)resorcinol with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the main safety concerns when handling 4-(2-Thiazolylazo)resorcinol?
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This compound 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 (N95), eyeshields, and gloves, should be used. Ensure adequate ventilation and avoid breathing dust.
How is 4-(2-Thiazolylazo)resorcinol packed, shipped, and exported?
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Tech Serve Solutions, as a specialist global supplier and exporter, ensures that 4-(2-Thiazolylazo)resorcinol is appropriately packed for safe handling, transit, and international export, adhering to all relevant regulations.
How can I request a sample or quote for 4-(2-Thiazolylazo)resorcinol?
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To request a sample or a quotation for 4-(2-Thiazolylazo)resorcinol, please contact our sales department through the website or by phone, providing your specific requirements.
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