2-Ethylbenzoyl chloride
2-Ethylbenzoyl chloride (CAS 76118-05-3) is a reactive organic compound with the linear formula C2H5C6H4COCl and a molecular weight of 168.62 g/mol. As an acid halide, it serves as a versatile intermediate in organic synthesis. Its primary utility lies in its role as a building block for introducing the 2-ethylbenzoyl group into various molecules, facilitating the construction of more complex chemical structures.

Organic Synthesis Intermediate
2-Ethylbenzoyl chloride functions as a key intermediate in the synthesis of diverse organic compounds. It is employed to introduce the 2-ethylbenzoyl moiety, valuable in the preparation of pharmaceuticals, agrochemicals, and specialty materials.
Reagent for Acylation
This acid chloride is used as an acylating agent in organic chemistry reactions. It readily reacts with nucleophiles such as alcohols and amines to form esters and amides, respectively, enabling the functionalization of target molecules.
Building Block for Complex Molecules
Its specific structure makes it a useful building block for constructing complex molecular architectures. Researchers and chemists utilise 2-Ethylbenzoyl chloride to synthesise novel compounds with potential applications in material science and medicinal chemistry.
| Molecular weight | 168.62 |
|---|---|
| Linear formula | C2H5C6H4COCl |
| Assay | 97% |
| Density | 1.127 g/mL at 25 °C |
| Refractive index | n20/D 1.545 |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Transport (UN / ADR) | UN 3265 8/PG 2 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-36/37/39-45 |
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 2-Ethylbenzoyl chloride used for?
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2-Ethylbenzoyl chloride (CAS 76118-05-3) is primarily used as an intermediate in organic synthesis and as an acylating agent for introducing the 2-ethylbenzoyl group into other molecules.
What is the CAS number and formula for 2-Ethylbenzoyl chloride?
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The CAS number is 76118-05-3 and the linear formula is C2H5C6H4COCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Ethylbenzoyl chloride with a minimum assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 2-Ethylbenzoyl chloride be handled safely?
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2-Ethylbenzoyl chloride is a warning substance that is harmful if swallowed and causes skin and serious eye irritation (H302-H315-H319). Appropriate personal protective equipment, including gloves, goggles, and face shields, should be worn. Work should be conducted in a well-ventilated area or with suitable respiratory protection.
Is 2-Ethylbenzoyl chloride a controlled substance?
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The provided data does not indicate that 2-Ethylbenzoyl chloride is a controlled substance.
How is 2-Ethylbenzoyl chloride packed, shipped, and exported?
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2-Ethylbenzoyl chloride is shipped as UN 3265, Class 8, Packing Group II. TSS exports chemicals globally, adhering to all relevant transportation and customs regulations.
How can I request a quote or sample of 2-Ethylbenzoyl chloride?
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Please contact our sales team directly through our website or via email to request a quotation or inquire about obtaining a sample of 2-Ethylbenzoyl chloride.
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