3-Ethyltoluene
3-Ethyltoluene (CAS: 620-14-4), with the molecular formula C2H5C6H4CH3 and a molecular weight of 120.19, is an aromatic hydrocarbon. It serves as a valuable organic building block in chemical synthesis. Available at a purity of 99%, this compound is suitable for various research and development applications within the fine chemical and pharmaceutical intermediate sectors.

Organic Synthesis Intermediate
3-Ethyltoluene is employed as a precursor or intermediate in the synthesis of more complex organic molecules. Its structure allows for further functionalisation, making it useful in the development of novel compounds.
Research and Development
This arene is utilised in laboratory settings for various research purposes, including exploring new synthetic pathways and studying reaction mechanisms. It acts as a fundamental component in organic chemistry research.
Building Block for Fine Chemicals
The compound functions as a versatile building block for the production of fine chemicals. Its availability at high purity supports precise chemical transformations required in the field.
| Molecular weight | 120.19 |
|---|---|
| Linear formula | C2H5C6H4CH3 |
| Assay | 99% |
| Boiling point | 158-159 °C(lit.) |
| Density | 0.865 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.496(lit.) |
| Autoignition temp | 896 °F |

Hazard statements
- H226Flammable liquid and vapour
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 38 °C / 100.4 °F |
| Transport (UN / ADR) | UN 3295C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | N |
| Risk statements (R) | 10-51/53 |
| Safety statements (S) | 16-61 |
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 3-Ethyltoluene used for?
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3-Ethyltoluene is primarily used as an intermediate in organic synthesis and as a building block in chemical research and development.
What are the CAS number and molecular formula for 3-Ethyltoluene?
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The CAS number for 3-Ethyltoluene is 620-14-4, and its molecular formula is C2H5C6H4CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Ethyltoluene with an assay of 99%. TSS does not represent this product as USP, BP, or EP grade.
How should 3-Ethyltoluene be handled safely?
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3-Ethyltoluene is a flammable liquid and vapour (H226). It can be harmful if swallowed and very toxic to aquatic life with long lasting effects (R10-51/53). Handle with appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection. Ensure adequate ventilation and keep away from heat and open flames. Store in a cool, well-ventilated place (16).
Is 3-Ethyltoluene shipped internationally?
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Yes, Tech Serve Solutions, as a specialist global supplier and exporter, ships and exports chemicals like 3-Ethyltoluene worldwide.
How can I request a sample or quote for 3-Ethyltoluene?
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To request a sample or quote, please contact our sales team through the website or via phone, providing the product name and CAS number.
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