3-Ethylpyridine
3-Ethylpyridine (CAS: 536-78-7, C7H9N) is a heterocyclic organic compound with a molecular weight of 107.15 g/mol. This chemical serves as a valuable building block in synthesis and has been utilized in research for identifying toxicants in cigarette smoke solutions through in vitro bioassays. It is freely soluble in alcohol and diethyl ether, with slight solubility in water.

Toxicant Identification in Cigarette Smoke
3-Ethylpyridine has been employed in research to identify toxicants present in cigarette smoke solutions. Its application aids in determining the effective doses of these toxicants using in vitro bioassays, contributing to a better understanding of smoke composition and effects.
Chemical Synthesis
As a pyridine derivative, 3-Ethylpyridine functions as a versatile building block in organic synthesis. It is suitable for the construction of more complex molecules within research and development settings.
Research Reagent
This compound is utilised as a laboratory reagent for various chemical studies. Its properties make it applicable in areas requiring pyridine-based structures for experimental purposes.
| Molecular weight | 107.15 |
|---|---|
| Empirical formula | C7H9N |
| Assay | 98% |
| Boiling point | 163-166 °C(lit.) |
| Density | 0.954 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.502(lit.) |
| Solubility | alcohol: freely solublediethyl ether: freely solublewater: slightly soluble |
| Application | 3-Ethylpyridine was used to to identify the toxicants in cigarette smoke solutions and to determine their effective doses using in vitro bioassays1. |


Hazard statements
- H226Flammable liquid and vapour
- 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 | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 51 °C / 123.8 °F |
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 10-36/37/38 |
| Safety statements (S) | 16-26-36/37 |
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 3-Ethylpyridine used for?
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3-Ethylpyridine is used in research for identifying toxicants in cigarette smoke solutions and determining their effective doses via in vitro bioassays. It also serves as a building block in chemical synthesis and as a general research reagent.
What is the CAS number and formula for 3-Ethylpyridine?
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The CAS number for 3-Ethylpyridine is 536-78-7, and its chemical formula is C7H9N.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Ethylpyridine with an assay of 98%. This is a technical/research grade; TSS does not represent it as USP, BP, or EP grade.
How should 3-Ethylpyridine be handled?
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3-Ethylpyridine is a flammable liquid and vapour (H226), and causes skin (H315), eye (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection such as a full-face respirator. Store away from ignition sources.
Is 3-Ethylpyridine available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 3-Ethylpyridine.
How can I request a sample or quote for 3-Ethylpyridine?
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To request a sample or quote, please contact our sales team through the website or by phone.
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