3,3′-Dipropyloxacarbocyanine iodide
3,3′-Dipropyloxacarbocyanine iodide (CAS: 53213-79-9) is a fluorescent probe with the empirical formula C23H25IN2O2 and a molecular weight of 488.36 g/mol. This compound is primarily utilised as a lipophilic and membrane probe in biological and biochemical research. Its fluorescent properties make it valuable for studies involving cell membranes, flow cytometry, and as a general fluorescent indicator. Tech Serve Solutions supplies this reagent with an assay of 98%.
- IUPAC
- 3-Propyl-2-[3-[3-propyl-2(3H)-benzoxazolylidene]-1-propenyl]benzoxazolium iodide,DiOC3(3)
- Synonyms
- C23H25IN2O2DiOC3(3)3-Propyl-2-[3-[3-propyl-2(3H)-benzoxazolylidene]-1-propenyl]benzoxazolium iodide

Lipophilic Membrane Probes
3,3′-Dipropyloxacarbocyanine iodide is employed as a lipophilic probe to investigate the properties and dynamics of biological membranes. Its ability to incorporate into lipid bilayers allows for the study of membrane fluidity and structure.
Fluorescent Indicators in Biology
This compound functions as a fluorescent indicator in various biological assays. It can be used to visualise cellular structures or monitor changes within cells due to its distinct absorption at 482 nm.
Flow Cytometry Applications
As a lipophilic and membrane probe, it is suitable for applications in flow cytometry. It can help in distinguishing different cell populations or assessing cell viability based on membrane integrity.
| Molecular weight | 488.36 |
|---|---|
| Empirical formula | C23H25IN2O2 |
| Assay | 98% |
| Melting point | 283 °C (dec.)(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 482 nm |
|---|
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′-Dipropyloxacarbocyanine iodide used for?
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3,3′-Dipropyloxacarbocyanine iodide is primarily used as a lipophilic and membrane probe in biological research, particularly for studying cell membranes, and in applications like flow cytometry and as a fluorescent indicator.
What is the CAS number and empirical formula?
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The CAS number for 3,3′-Dipropyloxacarbocyanine iodide is 53213-79-9, and its empirical formula is C23H25IN2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,3′-Dipropyloxacarbocyanine iodide with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should this chemical be handled safely?
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This compound is a Warning substance (GHS07) and may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). When handling, wear a dust mask type N95 (US), eyeshields, and gloves. Ensure adequate ventilation and avoid breathing dust.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions specialises in the global supply and export of fine chemicals. Products are carefully packed to ensure integrity during transit, adhering to international shipping regulations for chemical substances.
How can I request a sample or quote?
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To request a sample or a quote for 3,3′-Dipropyloxacarbocyanine iodide, please contact our sales team through the website or by email, providing your specific requirements.
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