3-Cyclohexene-1-carboxaldehyde
3-Cyclohexene-1-carboxaldehyde (CAS: 100-50-5, C6H9CHO) is a versatile organic compound with a molecular weight of 110.15 g/mol. This aldehyde, identified by its specific cyclohexene ring structure, serves as a valuable building block in organic synthesis. Its reactivity makes it suitable for various chemical transformations, contributing to the development of diverse chemical entities in research and industrial applications.
- IUPAC
- 1,2,3,6-Tetrahydrobenzaldehyde,4-Formyl-1-cyclohexene

Organic Synthesis Intermediate
This compound is frequently employed as an intermediate in the synthesis of more complex organic molecules. Its aldehyde functional group and cyclohexene moiety offer multiple reaction sites for further chemical elaboration.
Research and Development
Researchers utilize 3-Cyclohexene-1-carboxaldehyde in R&D settings to explore novel chemical pathways and develop new materials. Its availability as a chemical building block aids in the discovery of innovative compounds.
Building Block for Specialty Chemicals
The structure of 3-Cyclohexene-1-carboxaldehyde makes it a useful starting material for the creation of specialty chemicals. It contributes to the development of fine chemicals and other niche chemical products.
| Molecular weight | 110.15 |
|---|---|
| Linear formula | C6H9CHO |
| Assay | 97% |
| Boiling point | 163-164 °C(lit.) |
| Density | 0.94 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.4745(lit.) |
| Vapour density | 3.8 (vs air) |
| Storage temperature | 2-8°C |


Hazard statements
- H226Flammable liquid and vapour
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 57 °C / 134.6 °F |
| Transport (UN / ADR) | UN 2498 3 / PGIII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 21-36/37/38 |
| Safety statements (S) | 26-36 |
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-Cyclohexene-1-carboxaldehyde used for?
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3-Cyclohexene-1-carboxaldehyde is primarily used as a versatile intermediate and building block in organic synthesis and research & development for creating more complex organic molecules and specialty chemicals.
What are the CAS number and chemical formula for 3-Cyclohexene-1-carboxaldehyde?
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The CAS number for 3-Cyclohexene-1-carboxaldehyde is 100-50-5, and its chemical formula is C6H9CHO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Cyclohexene-1-carboxaldehyde with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 3-Cyclohexene-1-carboxaldehyde be handled safely?
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Handling requires caution due to its flammable nature and potential irritation. Refer to the safety data sheet for detailed information on hazards (H226, H312, H315, H319, H335) and appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection.
How is 3-Cyclohexene-1-carboxaldehyde shipped and exported?
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3-Cyclohexene-1-carboxaldehyde is classified under UN 2498 3 / PGIII for transport. Tech Serve Solutions can discuss export requirements and shipping procedures with you.
How can I request a sample or quote for 3-Cyclohexene-1-carboxaldehyde?
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Please contact our sales team directly to inquire about samples or to request a quotation for 3-Cyclohexene-1-carboxaldehyde.
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