2-[4-(Dimethylamino)styryl]-1-ethylpyridinium iodide
2- [4-(Dimethylamino)styryl]-1-ethylpyridinium iodide (CAS: 3785-01-1; Formula: C17H21IN2) is a luminescent compound with a molecular weight of 380.27. This pyridinium salt is primarily utilised as a vital stain for visualising and studying mitochondria within live cells. Its properties, including a significant fluorescence Stokes shift and slow uptake related to membrane potential, make it a valuable reagent in biological research and diagnostics.
- IUPAC
- DASPEI
![2-[4-(Dimethylamino)styryl]-1-ethylpyridinium iodide (C17H21IN2) — chemical structure, CAS 3785-01-1; Life Science, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F3785-01-1.png&w=3840&q=75)
Mitochondrial Staining
DASPEI is employed to selectively stain mitochondria in living cells, enabling the visualisation of these organelles under fluorescence microscopy. Its uptake is dependent on the cell's membrane potential.
Fluorescence Imaging
The compound exhibits a notable fluorescence Stokes shift, allowing for clear excitation and emission spectra without significant overlap, which is advantageous for advanced fluorescence imaging techniques.
Cellular Research Reagent
As a biochemical reagent, it aids in fundamental cellular biology studies, particularly those focusing on cellular energetics and organelle function.
| Molecular weight | 380.27 |
|---|---|
| Empirical formula | C17H21IN2 |
| Assay | ≥99% (HPLC) |
| Solubility | DMSO: solublemethanol: soluble |
| Storage temperature | 2-8°C |
| Application | DASPEI can be used for staining mitochondria in live cells. This dye has a large fluorescence Stokes shift and is taken up relatively slowly as a function of membrane potential. |
| Melting point | 267 °C (dec.)(lit.) |
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| 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.
| Fluorescence | λex 482 nm; λem 587 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 2-[4-(Dimethylamino)styryl]-1-ethylpyridinium iodide used for?
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2-[4-(Dimethylamino)styryl]-1-ethylpyridinium iodide (DASPEI) is primarily used for staining mitochondria in live cells and in fluorescence imaging due to its significant fluorescence Stokes shift.
What are the CAS number and chemical formula for 2-[4-(Dimethylamino)styryl]-1-ethylpyridinium iodide?
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The CAS number is 3785-01-1, and the empirical formula (Hill notation) is C17H21IN2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-[4-(Dimethylamino)styryl]-1-ethylpyridinium iodide with an assay of ≥99% (HPLC). We do not represent this product as meeting any pharmacopoeia standards (e.g., USP, BP, EP).
How should 2-[4-(Dimethylamino)styryl]-1-ethylpyridinium iodide be handled safely?
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This compound is classified as an irritant (Xi) with risk statements R36/37/38 (causes skin, eye, and respiratory irritation). Handle with appropriate personal protective equipment, including gloves, eye protection, and ensure adequate ventilation. Refer to the Safety Data Sheet for comprehensive handling information. P261-P305 + P351 + P338 precautions apply.
How is 2-[4-(Dimethylamino)styryl]-1-ethylpyridinium iodide packaged, shipped, and exported?
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This chemical is typically stored at 2-8°C. TSS provides expert global export services for fine chemicals, adhering to all necessary regulations for safe and compliant international shipment.
How can I request a quote or sample for this product?
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Please contact our sales team through the website to request a quotation or to inquire about obtaining a sample for evaluation.
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