1,5-Dicyanopentane
1,5-Dicyanopentane (CAS: 646-20-8), also known as heptanedinitrile, is an organic compound with the linear formula NC(CH2)5CN and a molecular weight of 122.17 g/mol. This nitrile compound serves as a valuable building block in chemical synthesis. It is particularly useful in the preparation of polymers and other organic molecules. Tech Serve Solutions supplies 1,5-Dicyanopentane for research and development purposes.
- IUPAC
- Heptanedinitrile,Pentamethylene dicyanide,Pimelonitrile
- Synonyms
- HeptanedinitrileNC(CH2)5CNPentamethylene dicyanidePimelonitrile

Organic Synthesis Intermediate
1,5-Dicyanopentane acts as a key intermediate in the synthesis of various organic compounds. Its dinitrile structure allows for diverse reactions, enabling the construction of more complex molecules.
Polymer Precursor
The compound can be utilised as a precursor in the development of specific polymers. The nitrile groups can undergo reactions leading to the formation of polymer chains or modification of existing polymer structures.
Research and Development
Primarily used in laboratory settings for chemical research and development, 1,5-Dicyanopentane aids in exploring new synthetic pathways and materials.
| Molecular weight | 122.17 |
|---|---|
| Linear formula | NC(CH2)5CN |
| Assay | 98% |
| Boiling point | 175-176 °C/14 mmHg(lit.) |
| Density | 0.951 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.441(lit.) |

Hazard statements
- H301Toxic if swallowed
- H312Harmful in contact with skin
- H332Harmful if inhaled
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 112 °C / 233.6 °F |
| Transport (UN / ADR) | UN 3276 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| 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 1,5-Dicyanopentane used for?
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1,5-Dicyanopentane is used as a building block in organic synthesis and as a precursor in polymer development, primarily for research and development purposes.
What is the CAS number and formula for 1,5-Dicyanopentane?
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The CAS number for 1,5-Dicyanopentane is 646-20-8, and its linear formula is NC(CH2)5CN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,5-Dicyanopentane with an assay of 98%. This product is supplied for research and development and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
What are the primary safety hazards associated with 1,5-Dicyanopentane?
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1,5-Dicyanopentane is classified as Danger (GHS06) and is harmful if swallowed, in contact with skin, or if inhaled (H301-H312-H332). Appropriate personal protective equipment including gloves, eyeshields, and a suitable respirator must be used. Handle with extreme care in a well-ventilated area.
How is 1,5-Dicyanopentane packed, shipped, and exported?
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1,5-Dicyanopentane is packed according to safety regulations for hazardous materials. We offer global export services; please contact us for specific shipping and handling details.
How can I request a sample or quote for 1,5-Dicyanopentane?
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To request a sample or a quote for 1,5-Dicyanopentane, please contact our sales team through the website or by phone.
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