Heptanoyl chloride
Heptanoyl chloride (CAS 2528-61-2) is a chemical compound with the linear formula CH 3 (CH 2 )5 COCl and a molecular weight of 148.63 g/mol. As an acid halide, it serves as a reactive intermediate in organic synthesis. Its primary applications involve the preparation of esters and other acyl derivatives, finding use in the synthesis of biochemicals and complex organic molecules. This compound is supplied by Tech Serve Solutions for research and industrial purposes.
- IUPAC
- Enanthic chloride,Oenanthic chloride
- Synonyms
- Enanthic chlorideOenanthic chloride

Synthesis of Organic Esters
Heptanoyl chloride is utilized for the esterification of alcohols, leading to the formation of heptanoate esters. These esters can have various applications, including use as flavouring agents, fragrances, or as intermediates in more complex syntheses.
Biochemical Synthesis
This compound has been employed in the synthesis of specific biochemicals. For instance, it was used in the preparation of 5α-dihydrotestosterone heptanoate, demonstrating its utility in modifying steroid structures.
Preparation of Bilayer Films
Heptanoyl chloride has been used in the chemical processes for creating ester-linked bilayer films. This application highlights its role in materials science and surface chemistry research.
Intermediate in Chemical Synthesis
As a reactive acylating agent, heptanoyl chloride is a valuable building block for introducing the heptanoyl group into various organic molecules. It facilitates the synthesis of diverse chemical entities for research and development.
| Molecular weight | 148.63 |
|---|---|
| Linear formula | CH3(CH2)5COCl |
| Assay | 99% |
| Boiling point | 173 °C(lit.) |
| Density | 0.96 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.43(lit.) |
| Application | Heptanoyl chloride was used in synthesis of 5α-dihydrotestosterone heptanoate1 and γ-ketoaldehyde2. It was used in the preparation of ester-linked bilayer films3. |


Hazard statements
- H314Causes severe skin burns and eye damage
- H330Fatal if inhaled
Precautionary statements
- P260Do not breathe dust, fume, gas, mist, vapours or spray
- P280Wear protective gloves, clothing and eye/face protection
- P284Wear respiratory protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 68 °C / 154.4 °F |
| Transport (UN / ADR) | UN 2920 3(8) / PGII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | T+ |
| Risk statements (R) | 26-34-37 |
| Safety statements (S) | 26-36/37/39-38-45 |
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 Heptanoyl chloride used for?
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Heptanoyl chloride is primarily used as an intermediate in organic synthesis for the preparation of esters, such as 5α-dihydrotestosterone heptanoate, and in the creation of ester-linked bilayer films. It also serves as a building block for introducing the heptanoyl group into various molecules.
What are the CAS number and chemical formula for Heptanoyl chloride?
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The CAS number for Heptanoyl chloride is 2528-61-2, and its linear chemical formula is CH 3 (CH 2 )5 COCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Heptanoyl chloride with an assay of 99%. We do not represent this product as USP, BP, or EP grade; it is suitable for research and industrial applications.
How should Heptanoyl chloride be handled safely?
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Heptanoyl chloride is a Danger hazard. It causes severe skin burns and eye damage (H314) and is fatal if inhaled (H330). Appropriate personal protective equipment, including a full-face respirator, chemical-resistant gloves, and eye protection, is essential. Handle only in a well-ventilated area or under a fume hood.
Is Heptanoyl chloride a controlled substance?
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The provided data does not indicate that Heptanoyl chloride is a controlled substance.
How is Heptanoyl chloride packed, shipped, and exported?
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Heptanoyl chloride is shipped as UN 2920, Hazard Class 3(8), Packing Group II. Packaging and export procedures adhere to international regulations for hazardous materials.
How can I request a sample or a quote for Heptanoyl chloride?
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To request a sample or obtain a quotation for Heptanoyl chloride, please contact our sales department through the TSS website or by phone.
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