1-Ethyl-2-methylquinolinium iodide
1-Ethyl-2-methylquinolinium iodide (CAS: 606-55-3; Formula: C12H14IN) is a quaternary ammonium salt with a molecular weight of 299.15 g/mol. This compound serves as a key precursor in the synthesis of various carbocyanine dyes. These dyes have applications in fields such as cell biology and histology, often employed as stains. Tech Serve Solutions offers this chemical with an assay of 97%.

Carbocyanine Dye Synthesis
1-Ethyl-2-methylquinolinium iodide is primarily used as a precursor in the chemical synthesis of carbocyanine dyes. These dyes are valuable for their optical properties and applications in various scientific fields.
Cell Biology Staining
As a component in the synthesis of dyes, this compound indirectly contributes to cell biology applications. The resultant dyes can be utilised for staining cellular structures, aiding in microscopic examination and research.
Histology and Hematology
The dyes derived from 1-Ethyl-2-methylquinolinium iodide find utility in histology and hematology. They can be employed to visualise and differentiate tissues and blood components, supporting diagnostic and research purposes.
| Molecular weight | 299.15 |
|---|---|
| Empirical formula | C12H14IN |
| Assay | 97% |
| Application | Precursor in synthesis of carbocyanine dyes |
| Melting point | 244 °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) | 26-37/39 |
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 1-Ethyl-2-methylquinolinium iodide used for?
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1-Ethyl-2-methylquinolinium iodide is used as a precursor in the synthesis of carbocyanine dyes, which have applications in cell biology, histology, and hematology as stains.
What is the CAS number and chemical formula for 1-Ethyl-2-methylquinolinium iodide?
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The CAS number for 1-Ethyl-2-methylquinolinium iodide is 606-55-3, and its chemical formula is C12H14IN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Ethyl-2-methylquinolinium iodide with an assay of 97%. This product is supplied for research and laboratory use and is not represented as meeting USP, BP, EP, or other pharmacopoeia standards.
What are the safety considerations when handling 1-Ethyl-2-methylquinolinium iodide?
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1-Ethyl-2-methylquinolinium iodide is a warning irritant. It may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Always handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, in a well-ventilated area.
How is 1-Ethyl-2-methylquinolinium iodide packed and shipped?
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1-Ethyl-2-methylquinolinium iodide is carefully packed to ensure safe transit and is available for global export by Tech Serve Solutions.
How can I request a sample or quote for 1-Ethyl-2-methylquinolinium iodide?
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To request a sample or a quote for 1-Ethyl-2-methylquinolinium iodide, please contact our sales team through the website or by phone.
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