trans-2-Decenal
trans-2-Decenal (CAS: 3913-81-3) is an unsaturated aldehyde with the linear formula CH3(CH2)6CH=CHCHO and a molecular weight of 154.25 g/mol. This compound serves as a valuable building block in organic synthesis, contributing to the creation of more complex molecules. Its characteristic aldehyde functionality and double bond make it a versatile intermediate in various chemical research and development processes.

Organic Synthesis Intermediate
trans-2-Decenal is employed as a key intermediate in the synthesis of diverse organic compounds. Its reactivity allows for a range of chemical transformations, making it useful in research laboratories and industrial chemical production.
Building Block for Fine Chemicals
As an organic building block, trans-2-Decenal is utilised in the construction of fine chemicals. Its structure can be incorporated into larger molecules for applications in materials science and specialty chemicals.
Aldehyde Chemistry Research
This compound is suitable for studies involving aldehyde chemistry, enabling researchers to explore reaction mechanisms and develop new synthetic methodologies. The presence of a double bond adds further avenues for chemical exploration.
| Molecular weight | 154.25 |
|---|---|
| Linear formula | CH3(CH2)6CH=CHCHO |
| Assay | ≥95.0% (GC) |
| Boiling point | 78-80 °C/3 mmHg(lit.) |
| Density | 0.841 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.453(lit.) |


Hazard statements
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- H400Very toxic to aquatic life
Precautionary statements
- P273Avoid release to the environment
- 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 | 96 °C / 204.8 °F |
| Transport (UN / ADR) | UN 3082 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi,N |
| Risk statements (R) | 36-43-50/53 |
| Safety statements (S) | 26-36/37-60-61 |
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 trans-2-Decenal used for?
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trans-2-Decenal is primarily used as an intermediate in organic synthesis and as a building block for fine chemicals and complex organic molecules. It is also utilised in research involving aldehyde chemistry.
What is the CAS number and formula for trans-2-Decenal?
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The CAS number for trans-2-Decenal is 3913-81-3, and its linear formula is CH3(CH2)6CH=CHCHO.
What grade and purity does Tech Serve Solutions supply for trans-2-Decenal?
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Tech Serve Solutions supplies trans-2-Decenal with an assay of ≥95.0% (GC). This is a technical/research grade product, and TSS does not represent it as USP, BP, or EP grade.
How should trans-2-Decenal be handled safely?
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trans-2-Decenal is classified with warning signal word and has hazard statements H317, H319, and H400. It may cause an allergic skin reaction, serious eye irritation, and is very toxic to aquatic life. Appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, should be used. Handle in a well-ventilated area and avoid release to the environment. Consult the Safety Data Sheet (SDS) for detailed handling procedures.
Is trans-2-Decenal packed and exported by TSS?
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Yes, Tech Serve Solutions, a specialist global supplier and exporter, packs and exports trans-2-Decenal.
How can I request a sample or quote for trans-2-Decenal?
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To request a sample or a quote for trans-2-Decenal, please contact the TSS sales team through our website or by phone.
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