cis-11-Hexadecenal
cis-11-Hexadecenal (CAS: 53939-28-9), a C17 aldehyde with the formula CH3(CH2)3CH=CH(CH2)9CHO, is a valuable building block in organic synthesis. With a molecular weight of 238.41, this compound serves as an intermediate in the preparation of various organic molecules. It is supplied by Tech Serve Solutions with an assay of 95%, suitable for research and chemical synthesis applications.
- IUPAC
- (Z)-11-HDAL
- Synonyms
- (Z)-11-Hexadecenal

Preparation of Fatty Aldehyde Derivatives
cis-11-Hexadecenal is utilised in the synthesis of fatty aldehyde semicarbazone derivatives. This application is relevant in analytical chemistry, particularly for studies involving liquid chromatography-electrospray ionization-tandem mass spectrometry.
Organic Synthesis Building Block
As a C13-C60 aldehyde and organic building block, cis-11-Hexadecenal can be incorporated into more complex molecular structures. Its functional group allows for diverse chemical transformations in multi-step synthesis.
Carbonyl Compound Chemistry
This compound belongs to the class of carbonyl compounds, offering a reactive aldehyde group. It is used in various reactions characteristic of aldehydes, contributing to the development of new chemical entities.
| Molecular weight | 238.41 |
|---|---|
| Linear formula | CH3(CH2)3CH=CH(CH2)9CHO |
| Assay | 95% |
| Density | 0.963 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.455(lit.) |
| Storage temperature | 2-8°C |
| Application | cis-11-Hexadecenal has been used in the preparation of fatty aldehyde semicarbazone derivatives during their analysis by liquid chromatography-electrospray ionization-tandem mass spectrometery1. |


Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
- H400Very toxic to aquatic life
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 61 °C / 141.8 °F |
| Transport (UN / ADR) | NA 1993 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 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 cis-11-Hexadecenal used for?
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cis-11-Hexadecenal is used as a building block in organic synthesis and in the preparation of fatty aldehyde semicarbazone derivatives for analytical studies.
What is the CAS number and formula for cis-11-Hexadecenal?
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The CAS number is 53939-28-9 and the linear formula is CH3(CH2)3CH=CH(CH2)9CHO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies cis-11-Hexadecenal with a purity of 95% assay. This is a technical/research grade product and is not represented as USP, BP, or EP grade.
How should cis-11-Hexadecenal be handled?
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Handle cis-11-Hexadecenal with appropriate personal protective equipment, including eyeshields and gloves. Ensure adequate ventilation and use a suitable respirator if needed, as it may cause skin irritation, serious eye irritation, and respiratory irritation. Avoid release to the environment.
How is cis-11-Hexadecenal shipped and exported?
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cis-11-Hexadecenal is typically shipped and exported in compliance with international regulations for hazardous materials, often classified under NA 1993, PGIII.
How can I request a sample or quote for cis-11-Hexadecenal?
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To request a sample or quote, please contact Tech Serve Solutions directly via our website or designated sales channels, providing the product name and CAS number.
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