Heptyl cyanide
Heptyl cyanide (CAS: 124-12-9), with the linear formula CH3(CH2)6CN and a molecular weight of 125.21 g/mol, is an organic compound. It is a useful building block and solvent, particularly noted for its application in studying the decomposition intermediates of aliphatic diazo-compounds. This nitrile is a valuable reagent in chemical synthesis, belonging to the class of nitrogen-containing organic compounds.
- IUPAC
- Caprylonitrile

Solvent in Organic Synthesis
Heptyl cyanide has been employed as a solvent in specific organic reactions, such as the study of intermediates in the decomposition of aliphatic diazo-compounds, offering a suitable medium for these investigations.
Chemical Synthesis Intermediate
As a nitrile, Heptyl cyanide serves as a versatile intermediate in organic synthesis. Its functional group allows for further chemical transformations, making it valuable for constructing more complex molecules.
Building Block for Organic Molecules
Belonging to the C8 to C9 aliphatic chain category, this compound acts as a fundamental building block in the synthesis of various organic structures. Its structure facilitates its incorporation into larger molecular frameworks.
| Molecular weight | 125.21 |
|---|---|
| Linear formula | CH3(CH2)6CN |
| Assay | 97% |
| Boiling point | 198-200 °C(lit.) |
| Density | 0.814 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.42(lit.) |
| Application | Heptyl cyanide (Caprylonitrile) was used as a solvent to study the intermediates in the decomposition of aliphatic diazo-compounds1. |
| Melting point | −45 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H332Harmful if inhaled
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 74 °C / 165.2 °F |
| Transport (UN / ADR) | NA 1993 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22 |
| Safety statements (S) | 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 Heptyl cyanide used for?
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Heptyl cyanide is used as a solvent in organic synthesis, particularly for studying intermediates in the decomposition of aliphatic diazo-compounds. It also functions as a chemical building block for synthesizing other organic molecules.
What are the CAS number and formula for Heptyl cyanide?
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The CAS number for Heptyl cyanide is 124-12-9, and its linear formula is CH3(CH2)6CN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Heptyl cyanide with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should Heptyl cyanide be handled safely?
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Heptyl cyanide is harmful if swallowed, in contact with skin, or if inhaled (H302-H312-H332). Appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, must be used. Handle in a well-ventilated area.
Is Heptyl cyanide a controlled substance?
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The provided data does not indicate that Heptyl cyanide is a controlled substance.
How is Heptyl cyanide packed and exported by TSS?
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Tech Serve Solutions exports Heptyl cyanide adhering to all relevant shipping regulations. Specific packaging details are available upon request.
How can I request a quote or sample for Heptyl cyanide?
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To request a quote or sample for Heptyl cyanide, please contact our sales department through the website or by phone.
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