3,7-Dimethyl-2,6-octadienenitrile
3,7-Dimethyl-2,6-octadienenitrile (CAS 5146-66-7) is a chemical compound with a molecular weight of 149.23 g/mol. This unsaturated nitrile, identified by its linear formula (CH3)2C=CHCH2CH2C(CH3)=CHCN, serves as a valuable building block in chemical synthesis. It is commonly employed in organic synthesis for the construction of more complex molecules, particularly within the realm of nitrogen-containing organic compounds.
- Synonyms
- 5146-66-7

Organic Synthesis Intermediate
3,7-Dimethyl-2,6-octadienenitrile is utilized as a versatile intermediate in various organic synthesis pathways. Its structure allows for diverse chemical transformations, making it a useful component in the creation of novel organic molecules.
Building Block for Complex Molecules
This compound functions as a key building block, contributing its unique structural features to the synthesis of larger, more intricate chemical structures. Its application is found in research and development settings focused on fine chemical and specialty chemical production.
Nitrogen Compound Precursor
As a nitrile, 3,7-Dimethyl-2,6-octadienenitrile is a precursor for introducing nitrogen functional groups into organic molecules. This is particularly relevant in the synthesis of pharmaceuticals and agrochemicals where nitrogen heterocycles are common.
| Molecular weight | 149.23 |
|---|---|
| Linear formula | (CH3)2C=CHCH2CH2C(CH3)=CHCN |
| Assay | 97% |
| Boiling point | 110 °C/1.3 mmHg(lit.) |
| Density | 0.853 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.475(lit.) |


Hazard statements
- H341Suspected of causing genetic defects
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P281Use personal protective equipment as required
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Transport (UN / ADR) | UN 3082 9 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 51/53-68 |
| Safety statements (S) | 61 |
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 3,7-Dimethyl-2,6-octadienenitrile used for?
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3,7-Dimethyl-2,6-octadienenitrile is primarily used as a building block in organic synthesis and as an intermediate for creating more complex nitrogen-containing organic molecules.
What are the CAS number and formula for 3,7-Dimethyl-2,6-octadienenitrile?
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The CAS number for 3,7-Dimethyl-2,6-octadienenitrile is 5146-66-7, and its linear formula is (CH3)2C=CHCH2CH2C(CH3)=CHCN.
What grade and purity does Tech Serve Solutions supply for 3,7-Dimethyl-2,6-octadienenitrile?
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Tech Serve Solutions supplies 3,7-Dimethyl-2,6-octadienenitrile with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 3,7-Dimethyl-2,6-octadienenitrile be handled safely?
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3,7-Dimethyl-2,6-octadienenitrile is classified with GHS08 and GHS09 symbols and a warning signal word. It carries hazard statements H341 (Suspected of causing genetic defects) and H411 (Toxic to aquatic life with long lasting effects). Handle with appropriate personal protective equipment, including eyeshields and gloves, and ensure adequate ventilation. Avoid release into the environment. Refer to the Safety Data Sheet for comprehensive handling instructions.
Is 3,7-Dimethyl-2,6-octadienenitrile a controlled substance?
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The provided data does not indicate that 3,7-Dimethyl-2,6-octadienenitrile is a controlled substance.
How is 3,7-Dimethyl-2,6-octadienenitrile packed and shipped?
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This chemical is regulated for transport as UN 3082, Class 9, Packing Group III. Tech Serve Solutions exports fine chemicals globally, adhering to all relevant shipping and customs regulations for safe and compliant delivery.
How can I request a quote or sample of 3,7-Dimethyl-2,6-octadienenitrile?
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To request a quote or sample of 3,7-Dimethyl-2,6-octadienenitrile, please contact our sales department through the inquiry form on our website or via email, providing your contact details and desired quantity.
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