Coumarin 466
Coumarin 466 (CAS 20571-42-0) is a fluorescent compound with the molecular formula C13H15NO2 and a molecular weight of 217.26 g/mol. This chemical, also known as 7-(Diethylamino)coumarin, exhibits fluorescence with excitation and emission maxima at 380 nm and 460 nm respectively in methanol. It is suitable for fluorescence applications and is supplied by Tech Serve Solutions as a BioReagent.
- IUPAC
- 7-(Diethylamino)coumarin
- Synonyms
- 7-(Diethylamino)coumarin

Fluorescent Labelling
Coumarin 466 can be utilized as a fluorescent label in various biological and chemical research applications. Its distinct fluorescence properties allow for the detection and quantification of specific molecules or cellular structures.
Fluorescent Probes
This compound serves as a building block or a component in the development of fluorescent probes. These probes are essential tools for imaging and sensing in scientific research, enabling visualization of dynamic processes.
Research and Development
As a fine chemical, Coumarin 466 is employed in research and development laboratories for a range of experimental procedures. Its specific spectral characteristics make it valuable for studies involving light emission and detection.
| Molecular weight | 217.26 |
|---|---|
| Empirical formula | C13H15NO2 |
| Assay | ≥98.0% (HPLC) |
| Suitability | suitable for fluorescence |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
Precautionary statements
- 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) | 36/38 |
| Safety statements (S) | 26 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Product Line | BioReagent |
|---|---|
| Fluorescence | λex 380 nm; λem 460 nm in methanol |
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 Coumarin 466 used for?
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Coumarin 466 is primarily used in fluorescence applications, serving as a fluorescent label, a component in fluorescent probes, and in general research and development laboratories due to its specific fluorescence properties (λex 380 nm; λem 460 nm in methanol).
What is the CAS number and molecular formula for Coumarin 466?
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The CAS number for Coumarin 466 is 20571-42-0, and its molecular formula is C13H15NO2.
What grade and purity does Tech Serve Solutions supply for Coumarin 466?
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Tech Serve Solutions supplies Coumarin 466 with an assay of ≥98.0% (HPLC) and it is designated as BioReagent grade, suitable for fluorescence applications. We do not represent it as USP, BP, EP, or other pharmacopoeial grades unless explicitly stated in the product specifications.
How should Coumarin 466 be handled safely?
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Coumarin 466 is classified as a warning substance. It causes skin irritation (H315) and serious eye irritation (H319). When handling, wear a dust mask type N95 (US), eyeshields, and gloves. In case of contact with eyes, rinse cautiously with water for several minutes, removing contact lenses if present and easy to do, and continue rinsing (P305 + P351 + P338).
Is Coumarin 466 a controlled substance?
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Based on the provided safety data, Coumarin 466 is not indicated as a controlled substance. However, we always advise checking local regulations.
How is Coumarin 466 shipped and exported?
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Tech Serve Solutions is a global supplier and exporter of fine chemicals and laboratory reagents. Coumarin 466 is carefully packed and exported in compliance with international shipping regulations for chemicals.
How can I request a quote or sample of Coumarin 466?
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To request a quote or a sample of Coumarin 466, please contact our sales team through the website or by phone. Our representatives will be pleased to assist you with your inquiry.
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