5-(2-Aminoethylamino)-1-naphthalenesulfonic acid sodium salt
5-(2-Aminoethylamino)-1-naphthalenesulfonic acid sodium salt (CAS: 100900-07-0; Formula: C12H13N2O3SNa; MW: 288.30) is a fluorescent labelling reagent. It is recognised for its utility in various biochemical and biological assays, functioning as a fluorescent probe for detection and quantification. This compound is widely employed in research settings for applications requiring sensitive fluorescence-based measurements.
- IUPAC
- 1,5-EDANS,N-(Aminoethyl)-5-naphthylamine-1-sulfonic acid
- Synonyms
- 1,5-EDANS,N-(Aminoethyl)-5-naphthylamine-1-sulfonic acid

Fluorescent Labelling
This compound serves as a fluorescent label, enabling the tagging of biomolecules for detection in various biological and biochemical assays. Its fluorescent properties make it valuable for visualizing and quantifying molecular interactions.
Fluorescent Probes
As a fluorescent probe, it can be utilised in a range of applications, including fluorescence microscopy and flow cytometry. The probe allows for sensitive detection and analysis of cellular components or processes.
Luminescent Detection
The luminescent characteristics of this chemical facilitate its use in detection systems where fluorescence is the primary measurement modality. It is suitable for developing assays that rely on light emission for signal generation.
| Molecular weight | 288.30 |
|---|---|
| Linear formula | C12H13N2O3SNa |
| Suitability | suitable for fluorescence |

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 5-(2-Aminoethylamino)-1-naphthalenesulfonic acid sodium salt used for?
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This compound is primarily used as a fluorescent label and probe in biochemical and biological research. It is suitable for luminescent detection and analysis in various assays.
What are the CAS number and chemical formula?
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The CAS number is 100900-07-0 and the linear chemical formula is C12H13N2O3SNa.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound for research and laboratory use. The specific grade and purity are available upon request, and it is not represented as USP, BP, or EP grade.
How should this chemical be handled safely?
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This compound is classified as an irritant (H315, H319, H335) and requires careful handling. Use a dust mask (type N95 US), safety eyeshields, and gloves. Ensure adequate ventilation and avoid dust formation. Consult the Safety Data Sheet for comprehensive guidance.
Is this product available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 5-(2-Aminoethylamino)-1-naphthalenesulfonic acid sodium salt, catering to international research and industrial needs.
How can I request a sample or quote?
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To request a sample or a quotation for 5-(2-Aminoethylamino)-1-naphthalenesulfonic acid sodium salt, please contact our sales department via our website or direct email, providing your specific requirements.
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