3-tert-Butyl-2-hydroxybenzaldehyde
3-tert-Butyl-2-hydroxybenzaldehyde (CAS 24623-65-2) is an organic compound with the molecular formula (CH3)3CC6H3(OH)CHO and a molecular weight of 178.23 g/mol. This substituted salicylaldehyde serves as a valuable building block in organic synthesis. Its chemical structure, featuring a tert-butyl group and a hydroxyl group ortho to the aldehyde, makes it a useful intermediate for creating more complex molecules, particularly in the pharmaceutical and fine chemical industries.
- IUPAC
- 3-tert-Butylsalicylaldehyde
- Synonyms
- 3-tert-Butylsalicylaldehyde

Organic Synthesis Intermediate
Utilised as a key building block in the synthesis of complex organic molecules. Its specific functional groups allow for various chemical transformations.
Pharmaceutical Research
Serves as an intermediate in the development of novel pharmaceutical compounds. The structure lends itself to the creation of potential drug candidates.
Fine Chemical Production
Employed in the manufacture of fine chemicals, leveraging its reactivity for targeted chemical pathways.
| Molecular weight | 178.23 |
|---|---|
| Linear formula | (CH3)3CC6H3(OH)CHO |
| Assay | 96% |
| Boiling point | 78-79 °C/1 mmHg(lit.) |
| Density | 1.041 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.544(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 3 |
| 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 3-tert-Butyl-2-hydroxybenzaldehyde used for?
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3-tert-Butyl-2-hydroxybenzaldehyde is primarily used as an intermediate in organic synthesis, particularly in the development of pharmaceutical compounds and fine chemicals.
What is the CAS number and chemical formula for 3-tert-Butyl-2-hydroxybenzaldehyde?
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The CAS number is 24623-65-2, 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 3-tert-Butyl-2-hydroxybenzaldehyde with an assay of 96%. This product is supplied for research and laboratory use and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety and handling precautions for this chemical?
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This compound is a warning irritant, causing skin (H315), eye (H319), and respiratory tract irritation (H335). Appropriate personal protective equipment, including a dust mask (NIOSH N95), eyeshields, and gloves, should be used. Handle in a well-ventilated area.
How is 3-tert-Butyl-2-hydroxybenzaldehyde packed, shipped, and exported?
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Tech Serve Solutions professionally packs, ships, and exports chemicals globally, adhering to all relevant transport regulations. Specific packaging details will be provided with your order.
How can I request a quote or sample?
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To request a quote or sample of 3-tert-Butyl-2-hydroxybenzaldehyde, please contact our sales team through the website or provide your details via the 'enquire' button.
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