5-tert-Butyl-2-hydroxybenzaldehyde
5-tert-Butyl-2-hydroxybenzaldehyde (CAS: 2725-53-3) is an organic compound with the linear formula (CH3)3CC6H3(OH)CHO and a molecular weight of 178.23 g/mol. This substituted salicylaldehyde is a useful building block in organic synthesis. It is primarily employed in chemical research and development, serving as a precursor for more complex molecular structures in various industrial applications.
- IUPAC
- 5-tert-Butylsalicylaldehyde
- Synonyms
- 5-tert-Butylsalicylaldehyde

Organic Synthesis Intermediate
Serves as a key intermediate in the synthesis of complex organic molecules. Its unique structure with both hydroxyl and aldehyde functionalities allows for diverse chemical transformations.
Research and Development
Utilised in academic and industrial R&D settings for the exploration of new chemical reactions and the development of novel compounds.
Building Block
Functions as a valuable building block in the construction of larger molecular architectures, contributing to the field of fine chemical synthesis.
| Molecular weight | 178.23 |
|---|---|
| Linear formula | (CH3)3CC6H3(OH)CHO |
| Assay | 98% |
| Boiling point | 251-252 °C/729 mmHg(lit.) |
| Density | 1.039 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.539(lit.) |
| Protective equipment | Eyeshields, Gloves, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US) |
|---|---|
| Flash point | 104 °C / 219.2 °F |
| Water hazard class (WGK, DE) | 3 |
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 5-tert-Butyl-2-hydroxybenzaldehyde used for?
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5-tert-Butyl-2-hydroxybenzaldehyde (CAS: 2725-53-3) is primarily used as an intermediate in organic synthesis and in research and development for creating new compounds.
What is the CAS number and formula for 5-tert-Butyl-2-hydroxybenzaldehyde?
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The CAS number is 2725-53-3 and the linear formula is (CH3)3CC6H3(OH)CHO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-tert-Butyl-2-hydroxybenzaldehyde with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should 5-tert-Butyl-2-hydroxybenzaldehyde be handled safely?
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Handling requires appropriate personal protective equipment including eyeshields, gloves, and suitable respiratory protection (half-mask respirator EU/US or multi-purpose combination cartridge US) due to its combustible nature (flash point 104 °C).
Is 5-tert-Butyl-2-hydroxybenzaldehyde a controlled substance?
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The provided data does not indicate that 5-tert-Butyl-2-hydroxybenzaldehyde is a controlled substance.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions exports fine chemicals globally. Specific packing and shipping details are available upon request, adhering to international shipping regulations.
How can I request a sample or quote for 5-tert-Butyl-2-hydroxybenzaldehyde?
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To request a sample or a quote, please contact the Tech Serve Solutions sales team via the website or listed contact information.
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