3,3-Dimethylbutyraldehyde
3,3-Dimethylbutyraldehyde (CAS: 2987-16-8), also known as tert-butylacetaldehyde, is an organic compound with the linear formula (CH3)3CCH2CHO and a molar mass of 100.16 g/mol. This aldehyde is a valuable building block in organic synthesis. Its primary application lies in research settings, particularly in studies involving the L-Proline-catalyzed synthesis of chiral dihyropyridazines from aldehydes, contributing to advancements in stereoselective chemistry.
- IUPAC
- 3,3-Dimethylbutanal,tert-Butylacetaldehyde
- Synonyms
- (CH3)3CCH2CHO3,3-Dimethylbutanaltert-Butylacetaldehyde

Organic Synthesis Intermediate
3,3-Dimethylbutyraldehyde serves as a versatile intermediate in the synthesis of more complex organic molecules. Its aldehyde functionality allows for various reactions, making it useful in the development of novel chemical entities.
Research in Stereoselective Synthesis
This compound has been employed in studies focused on L-Proline-catalyzed reactions. Specifically, it has been used in the synthesis of chiral dihyropyridazines, highlighting its utility in asymmetric catalysis research.
Building Block for Fine Chemicals
As a C6 aldehyde, 3,3-Dimethylbutyraldehyde functions as a fundamental building block in the production of fine chemicals and specialty organic compounds.
| Molecular weight | 100.16 |
|---|---|
| Linear formula | (CH3)3CCH2CHO |
| Assay | ≥95.0% (GC) |
| Boiling point | 104-106 °C(lit.) |
| Density | 0.798 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.397(lit.)n20/D 1.397 |
| Application | Used in a study of an L-Proline-catalyzed synthesis of chiral dihyropyridazines from aldehydes.1 |


Hazard statements
- H225Highly flammable liquid and vapour
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- 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 | 13 °C / 55.4 °F |
| Transport (UN / ADR) | UN 1989BE 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xi |
| Risk statements (R) | 11-36/37/38 |
| Safety statements (S) | 16-23 |
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 3,3-Dimethylbutyraldehyde primarily used for?
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3,3-Dimethylbutyraldehyde is primarily used as a building block in organic synthesis and in research studies, particularly in the area of stereoselective synthesis, such as L-Proline-catalyzed reactions.
What is the CAS number and chemical formula for 3,3-Dimethylbutyraldehyde?
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The CAS number for 3,3-Dimethylbutyraldehyde is 2987-16-8, and its linear formula is (CH3)3CCH2CHO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,3-Dimethylbutyraldehyde with a minimum purity of 95.0% as determined by GC. This product is supplied for research and laboratory use and is not represented as USP, BP, EP, or pharmacopoeia grade.
How should 3,3-Dimethylbutyraldehyde be handled safely?
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3,3-Dimethylbutyraldehyde is a highly flammable liquid and vapour (Flash Point 13 °C) and is harmful if inhaled, causes skin irritation, and causes serious eye irritation. Appropriate personal protective equipment, including safety goggles, face shields, chemical-resistant gloves, and respiratory protection, should be used. Ensure adequate ventilation and handle away from ignition sources. Refer to the Safety Data Sheet (SDS) for detailed handling instructions.
Is 3,3-Dimethylbutyraldehyde a controlled substance?
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Based on the provided data, there is no indication that 3,3-Dimethylbutyraldehyde is a controlled substance.
How is 3,3-Dimethylbutyraldehyde typically packaged and shipped?
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3,3-Dimethylbutyraldehyde is carefully packaged to ensure safe transport and is exported globally by Tech Serve Solutions in compliance with relevant shipping regulations for flammable liquids.
How can I request a quote or sample of 3,3-Dimethylbutyraldehyde?
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To request a quote or sample of 3,3-Dimethylbutyraldehyde, please contact our sales team via the website or direct email, providing your specific requirements and shipping details.
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