Quinoline
Quinoline (CAS: 91-22-5), with the molecular formula C9H7N and a molecular weight of 129.16 g/mol, is a heterocyclic aromatic organic compound. It is a colourless, hygroscopic liquid with a characteristic odour. Quinoline serves as a fundamental building block in organic synthesis, particularly in the development of pharmaceuticals, agrochemicals, and dyes.
- IUPAC
- 1-Benzazine,2,3-Benzopyridine
- Synonyms
- 1-Benzazine2,3-Benzopyridine
Pharmaceutical Intermediates
Quinoline is a crucial precursor in the synthesis of various pharmaceutical compounds, including antimalarial drugs and antiseptics. Its structural motif is found in many biologically active molecules.
Agrochemical Synthesis
It is employed in the production of certain pesticides and herbicides. The quinoline core contributes to the efficacy of these agricultural chemicals.
Dye Manufacturing
Quinoline derivatives are used in the synthesis of cyanine dyes and other colorants. These dyes find applications in photography and as biological stains.
Organic Synthesis Reagent
As a versatile heterocyclic building block, quinoline is utilised in a wide range of chemical reactions for the creation of complex organic molecules.
| Molecular weight | 129.16 |
|---|---|
| Empirical formula | C9H7N |
| Assay | ≥99% |
| Boiling point | 113-114 °C/11 mmHg(lit.)237 °C(lit.) |
| Density | 1.093 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.625(lit.) |
| Vapour pressure | 0.07 mmHg (20 °C) |
| Melting point | −17-−13 °C(lit.) |
| Vapour density | 4.5 (vs air) |
| Autoignition temp | 896 °F |
Hazard statements
- H301Toxic if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H341Suspected of causing genetic defects
- H350May cause cancer
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P201Obtain special instructions before use
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P308IF exposed or concerned
| Flash point | 101 °C / 213.8 °F |
|---|---|
| Transport (UN / ADR) | UN 2656 6.1 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 45-21/22-36/38-51/53-68 |
| Safety statements (S) | 53-45-61 |
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 Quinoline used for?
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Quinoline is primarily used as a building block in organic synthesis, notably in the development of pharmaceuticals, agrochemicals, and dyes.
What is the CAS number and formula for Quinoline?
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The CAS number for Quinoline is 91-22-5, and its molecular formula is C9H7N.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Quinoline with an assay of ≥99%. We do not represent this product as USP, BP, or EP grade.
How should Quinoline be handled safely?
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Quinoline is a danger to health and the environment. It is toxic if swallowed or inhaled, causes skin and serious eye irritation, and is suspected of causing genetic defects and cancer. It is also toxic to aquatic life with long-lasting effects. Handle with appropriate personal protective equipment in a well-ventilated area, avoiding release into the environment. Refer to the safety data sheet for full details.
How is Quinoline packed and shipped?
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Quinoline is packed and shipped in accordance with UN 2656 regulations (Class 6.1, Packing Group III), ensuring safe export and handling.
How can I request a quote or sample for Quinoline?
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To request a quote or sample for Quinoline, please contact our sales team through the website or by phone.
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