1,3-Diethylbenzene
1,3-Diethylbenzene (CAS: 141-93-5) is an organic compound with the molecular formula C10H14 and a molar mass of 134.22 g/mol. As a flammable liquid, it is primarily utilised as a solvent and a building block in organic synthesis. Its properties make it suitable for various analytical and chromatographic applications, serving as a reliable reagent in chemical research and industrial processes.
- Synonyms
- 1,3-Diethylbenzenemeta-Diethylbenzenem-DiethylbenzeneBenzene, 1,3-diethyl-

Organic Synthesis Intermediate
1,3-Diethylbenzene serves as a valuable building block in the synthesis of more complex organic molecules. Its aromatic structure and alkyl substituents allow for diverse chemical transformations.
Solvent Applications
This compound can be employed as a solvent in specific chemical reactions and formulations due to its solvency properties for various organic substances.
Analytical and Chromatographic Reagent
Utilised in analytical chemistry and chromatography, 1,3-Diethylbenzene functions as a standard or mobile phase component. Its defined properties are crucial for accurate analytical measurements.
| Molecular weight | 134.22 |
|---|---|
| Empirical formula | C10H14 |
| Assay | ≥99.0% (GC) |
| Grade | puriss. |
| Density | 0.864 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.496 |


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 2049 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 |
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 1,3-Diethylbenzene used for?
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1,3-Diethylbenzene is used as a solvent and a building block in organic synthesis, and also finds application as an analytical and chromatographic reagent.
What are the CAS number and formula for 1,3-Diethylbenzene?
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The CAS number for 1,3-Diethylbenzene is 141-93-5, and its empirical formula is C10H14.
What grade and purity does Tech Serve Solutions supply for 1,3-Diethylbenzene?
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Tech Serve Solutions supplies 1,3-Diethylbenzene with a purity of ≥99.0% (GC), as indicated by the puriss. grade. We do not represent this product as USP, BP, or EP grade.
How should 1,3-Diethylbenzene be handled safely?
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1,3-Diethylbenzene is a flammable liquid and an irritant. Handle with appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection. Ensure adequate ventilation and keep away from ignition sources, as indicated by its H226, H315, H319, and H335 hazard statements.
Is 1,3-Diethylbenzene a controlled substance?
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Based on the provided data, 1,3-Diethylbenzene (CAS: 141-93-5) is not listed as a controlled substance.
How is 1,3-Diethylbenzene exported and shipped by TSS?
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1,3-Diethylbenzene is shipped as UN 2049, Hazard Class 3, Packing Group III, conforming to stringent international transport regulations for chemical exports.
How can I request a sample or quote for 1,3-Diethylbenzene?
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To request a sample or a quotation for 1,3-Diethylbenzene, please contact our sales team through the TSS website or via direct inquiry.
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