Rhodamine 800
Rhodamine 800 (CAS: 137993-41-0), with the molecular formula C26H26ClN3O5 and a molecular weight of 495.95, is a luminescent compound. It is specifically noted for its fluorescence properties, exhibiting excitation and emission wavelengths of 682 nm and 712 nm respectively in methanol. This chemical serves as a valuable tool in various detection and labelling applications, particularly where fluorescent visualisation is required.

Fluorescent Probes and Labels
Rhodamine 800 is suitable for use as a fluorescent probe or label. Its distinct excitation and emission spectra make it useful for visualising and tracking biological or chemical entities in research settings.
Luminescent Detection Systems
The compound's luminescent properties lend themselves to the development of sensitive detection systems. It can be employed in assays where fluorescence intensity correlates with the presence or concentration of an analyte.
Wavelength Index Applications
As a compound listed within the Wavelength Index, Rhodamine 800 can be utilised in spectroscopic studies and as a reference standard for fluorescent measurements across various wavelengths.
| Molecular weight | 495.95 |
|---|---|
| Empirical formula | C26H26ClN3O5 |
| Solubility | ethanol: soluble |
| Suitability | suitable for fluorescence |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Fluorescence | λex 682 nm; λem 712 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 Rhodamine 800 used for?
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Rhodamine 800 is suitable for fluorescence applications, serving as fluorescent probes, labels, and in luminescent detection systems. It is also relevant for wavelength index studies.
What is the CAS number and molecular formula for Rhodamine 800?
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The CAS number for Rhodamine 800 is 137993-41-0, and its empirical formula (Hill notation) is C26H26ClN3O5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Rhodamine 800 suitable for fluorescence. We do not represent this product as USP, BP, EP, or any other pharmacopoeia standard unless explicitly stated otherwise in the product specifications.
How should Rhodamine 800 be handled safely?
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When handling Rhodamine 800, it is essential to wear appropriate personal protective equipment, including eyeshields and gloves. A respirator filter such as type N95 (US) or type P1 (EN143) is recommended. Please consult the full safety data sheet for detailed hazard information.
Is Rhodamine 800 a controlled substance?
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The provided data does not indicate that Rhodamine 800 is a controlled substance.
How is Rhodamine 800 packed, shipped, and exported?
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Rhodamine 800 is carefully packed to ensure product integrity during transit. As a global supplier, Tech Serve Solutions has extensive experience in exporting chemicals worldwide, adhering to all necessary regulations.
How can I request a quote or sample of Rhodamine 800?
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To request a quote or sample of Rhodamine 800, please contact our sales team through the website or by phone, providing your specific requirements.
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