2,4-Heptadienal
2,4-Heptadienal (CAS 4313-03-5) is a C7 organic compound with the linear formula C2H5CH=CHCH=CHCHO and a molecular weight of 110.15 g/mol. This unsaturated aldehyde serves as a valuable building block in organic synthesis. It finds application in the development of more complex molecules, contributing to research and development within the chemical and pharmaceutical sectors. Its specific chemical structure allows for various derivatizations and reactions.
- Synonyms
- C2H5CH=CHCH=CHCHO

Organic Synthesis
2,4-Heptadienal is utilized as a versatile intermediate in the synthesis of various organic compounds. Its conjugated diene and aldehyde functionalities allow for diverse chemical transformations, making it useful in multi-step synthetic routes.
Chemical Research and Development
This compound is employed in R&D laboratories for exploring new chemical pathways and creating novel molecules. Its reactivity profile makes it a subject of interest for academic and industrial research aimed at discovering new materials or active pharmaceutical ingredients.
Building Block for Complex Molecules
As a C7 building block, 2,4-Heptadienal can be incorporated into larger molecular structures. It is particularly useful for introducing a specific unsaturated aldehyde motif into target compounds.
| Molecular weight | 110.15 |
|---|---|
| Linear formula | C2H5CH=CHCH=CHCHO |
| Assay | 90% |
| Grade | technical grade |
| Boiling point | 84-84.5 °C(lit.) |
| Density | 0.881 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.534(lit.) |
| Storage temperature | 2-8°C |

Hazard statements
- H302Harmful if swallowed
- H311Toxic in contact with skin
- H315Causes skin irritation
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P312Call a POISON CENTER if you feel unwell
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 62 °C / 143.6 °F |
| Transport (UN / ADR) | UN 2810 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 22-24-38 |
| Safety statements (S) | 36/37-45 |
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 2,4-Heptadienal used for?
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2,4-Heptadienal is primarily used as a building block in organic synthesis and in chemical research and development for creating more complex molecules.
What are the CAS number and chemical formula for 2,4-Heptadienal?
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The CAS number for 2,4-Heptadienal is 4313-03-5, and its linear formula is C2H5CH=CHCH=CHCHO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,4-Heptadienal in technical grade with an assay of 90%. We do not represent this product as USP, BP, or EP grade.
How should 2,4-Heptadienal be handled safely?
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2,4-Heptadienal is a hazardous substance. It is harmful if swallowed (H302), toxic in contact with skin (H311), and causes skin irritation (H315). Appropriate personal protective equipment, including gloves, eyeshields, and a suitable respirator, must be used, and it should be handled in a well-ventilated area. Refer to the safety data sheet for full details.
Is 2,4-Heptadienal a controlled substance?
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The provided data does not indicate that 2,4-Heptadienal is a controlled substance.
How is 2,4-Heptadienal packed, shipped, and exported?
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Tech Serve Solutions professionally packs, ships, and exports chemicals globally, adhering to all relevant regulations for hazardous materials.
How can I request a quote or sample for 2,4-Heptadienal?
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To request a quote or sample for 2,4-Heptadienal, please contact our sales team through the website or via the provided contact details.
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