2-(4-tert-Butylbenzyl)propionaldehyde
2-(4-tert-Butylbenzyl)propionaldehyde (CAS: 80-54-6), with the molecular formula C14H20O and a molecular weight of 204.31 g/mol, is a chemical compound recognised for its characteristic aromatic odour. It is primarily utilised as an analytical standard and a building block in organic synthesis. This aldehyde, often referred to by its common names, serves as a valuable reagent in various chemical research and development applications.
- IUPAC
- 4-tert-Butyl-α-methyl-benzenepropanal,4-tert-Butyl-α-methyl-hydrocinnamaldehyde,Butylphenyl methylpropional,Lilial
- Synonyms
- Lilial4-tert-Butyl-alpha-methylbenzenepropanal4-tert-Butyl-alpha-methyl-hydrocinnamaldehydeButylphenyl methylpropional

Analytical Standard
Utilised as a calibration standard in chromatographic techniques, ensuring accurate identification and quantification of related compounds. Its defined purity makes it suitable for method validation and quality control processes in analytical laboratories.
Organic Synthesis Intermediate
Serves as a versatile building block in the synthesis of more complex organic molecules. Its aldehyde functional group allows for a range of chemical transformations, contributing to the development of novel compounds in pharmaceutical and fine chemical research.
Research and Development
Employed in various R&D settings for exploring new chemical reactions and pathways. It can be used in studies related to fragrance chemistry or as a precursor for materials science applications.
| Molecular weight | 204.31 |
|---|---|
| Empirical formula | C14H20O |
| Assay | ≥90.0% (GC) |
| Grade | analytical standard |
| Density | 0.946 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.505 |
| Storage temperature | 2-8°C |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 118 °C / 244.4 °F |
| Transport (UN / ADR) | UN 3082 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-38-51/53 |
| Safety statements (S) | 60 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Shelf Life | (limited shelf life, expiry date on the label) |
|---|---|
| Feature | standard type calibration |
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-tert-Butylbenzyl)propionaldehyde used for?
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This compound is primarily used as an analytical standard for calibration and in organic synthesis as a building block for more complex molecules.
What are the CAS number and formula for 2-(4-tert-Butylbenzyl)propionaldehyde?
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The CAS number is 80-54-6, and its molecular formula is C14H20O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product as an analytical standard with an assay of ≥90.0% (GC). We do not represent this product as USP, BP, or EP grade.
How should 2-(4-tert-Butylbenzyl)propionaldehyde be handled safely?
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Handling requires appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, due to hazards such as skin irritation and aquatic toxicity. Refer to the safety data sheet for comprehensive guidance.
Is this chemical exported by Tech Serve Solutions?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 2-(4-tert-Butylbenzyl)propionaldehyde.
How can I request a quote or sample?
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To request a quote or sample, please use the contact form on our website or contact our sales department directly.
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