6-Methylquinoline
6-Methylquinoline (CAS: 91-62-3), a heterocyclic organic compound with the molecular formula C10H9N and a molecular weight of 143.19 g/mol, is supplied by Tech Serve Solutions. This compound functions as a primary carbon source in microbiological cultures and serves as a critical building block in the synthesis of fluorescent quinolinium dyes and halide-sensitive probes for biological applications. It is a valuable reagent for researchers in chemical synthesis and biotechnology.
- IUPAC
- p-Toluquinoline

Microbiological Culture Medium
6-Methylquinoline can be employed as a primary carbon source in the culture of specific microorganisms, such as *Pseudomonas putida* QP1. This application is essential for studying microbial metabolism and growth under defined conditions.
Fluorescent Dye Synthesis
This compound is utilised in the synthetic pathways for creating fluorescent quinolinium dyes. These dyes are important tools in various analytical and imaging techniques.
Biosensor Development
6-Methylquinoline is a precursor for fluorescent probes designed for the determination of chloride ions in biological systems. Such probes are valuable for in-situ monitoring of physiological processes.
| Molecular weight | 143.19 |
|---|---|
| Empirical formula | C10H9N |
| Assay | 98% |
| Boiling point | 256-260 °C(lit.) |
| Density | 1.067 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.614(lit.) |
| Vapour density | >1 (vs air) |
| Application | 6-Methylquinoline can be used as primary carbon source in culture of Pseudomonas putida QP11. 6-Methylquinoline was used in the synthesis of fluorescent halide-sensitive quinolinium dyes2 and fluorescent probes for determination of chloride in biological systems3. |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-38 |
| 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 6-Methylquinoline used for?
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6-Methylquinoline is used as a primary carbon source in microbial cultures, and as a building block in the synthesis of fluorescent quinolinium dyes and halide-sensitive probes for biological applications.
What are the CAS number and molecular formula for 6-Methylquinoline?
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The CAS number is 91-62-3, and the molecular formula is C10H9N.
What grade and purity does Tech Serve Solutions supply for 6-Methylquinoline?
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Tech Serve Solutions supplies 6-Methylquinoline with a minimum purity of 98%. This product is typically considered a technical or research grade chemical, and TSS does not represent it as USP, BP, or EP grade unless explicitly stated.
How should 6-Methylquinoline be handled safely?
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6-Methylquinoline is harmful if swallowed (H302) and causes skin irritation (H315). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator. Ensure adequate ventilation.
Is 6-Methylquinoline a controlled substance?
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The provided data does not indicate that 6-Methylquinoline is a controlled substance. However, customers should always verify local regulations.
How is 6-Methylquinoline packed and shipped?
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6-Methylquinoline is carefully packed to ensure integrity during transport. As a global supplier and exporter, Tech Serve Solutions adheres to all relevant shipping regulations.
How can I request a quote or sample of 6-Methylquinoline?
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To request a quote or sample, please contact our sales department through the Tech Serve Solutions website or by phone, referencing the product name and CAS number (91-62-3).
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