3,3′-Dihexyloxacarbocyanine iodide
3,3′-Dihexyloxacarbocyanine iodide (CAS 53213-82-4), a vital organic compound with the molecular formula C29H37IN2O2, serves as a lipophilic fluorescent probe. Its primary application lies in its ability to interact with biological membranes, making it invaluable for cellular imaging and studies of membrane potential. This chemical is supplied by Tech Serve Solutions for research and diagnostic purposes.
- IUPAC
- 3-hexyl-2-[3-(3-hexyl-2(3H)benzoxazolylidene)-1-propenyl]benzoxazolium iodide
- Synonyms
- 3-hexyl-2-[3-(3-hexyl-2(3H)benzoxazolylidene)-1-propenyl]benzoxazolium iodide

Lipophilic Membrane Probe
This carbocyanine dye is lipophilic, allowing it to integrate into lipid bilayers of cell membranes. It is used to visualise and study membrane structure and dynamics in biological systems.
Fluorescent Indicator
With distinct absorption and fluorescence emission spectra, it functions as a sensitive fluorescent indicator. Its spectral properties are useful in assays requiring fluorescent detection or measurement of environmental changes.
Flow Cytometry Reagent
The probe is suitable for flow cytometry applications, enabling the analysis of cellular properties based on membrane characteristics. Its fluorescence allows for the differentiation and quantification of cell populations.
Biochemical Research
As a biochemical reagent, it aids in various research investigations, particularly those involving cellular processes, ion transport, and membrane-associated phenomena. Its luminescence properties are key to these studies.
| Molecular weight | 572.52 |
|---|---|
| Empirical formula | C29H37IN2O2 |
| Assay | 98% |
| Melting point | 219-221 °C(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.
| Absorption | λmax 485 nm |
|---|---|
| Fluorescence | λex 485 nm; λem 501 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 3,3′-Dihexyloxacarbocyanine iodide used for?
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3,3′-Dihexyloxacarbocyanine iodide is primarily used as a lipophilic fluorescent indicator and probe for studying biological membranes, cellular imaging, and in flow cytometry.
What are the CAS number and formula for 3,3′-Dihexyloxacarbocyanine iodide?
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The CAS number is 53213-82-4 and the empirical formula (Hill notation) is C29H37IN2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,3′-Dihexyloxacarbocyanine iodide with an assay of 98%. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 3,3′-Dihexyloxacarbocyanine iodide be handled safely?
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This compound is a Warning substance with hazards H315, H319, and H335, indicating it can cause skin irritation, serious eye irritation, and may cause respiratory irritation. Handle with appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, in a well-ventilated area.
How is 3,3′-Dihexyloxacarbocyanine iodide packed and shipped?
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Tech Serve Solutions packs and ships chemicals according to international regulations for hazardous materials. Specific packaging and shipping details for export can be provided upon request.
How can I request a sample or quote for 3,3′-Dihexyloxacarbocyanine iodide?
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To request a sample or a quote for 3,3′-Dihexyloxacarbocyanine iodide, please contact the TSS sales department through our website or by phone.
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