3,5-Di-tert-butylbenzoic acid
3,5-Di-tert-butylbenzoic acid (CAS: 16225-26-6) is a tert-butyl substituted aromatic carboxylic acid with the linear formula [(CH3)3C]2C6H3CO2H and a molecular weight of 234.33 g/mol. This white solid is primarily utilised as an organic building block in chemical synthesis. Its structure makes it a valuable intermediate for creating more complex molecules, particularly in areas requiring sterically hindered aromatic components. The compound is supplied by Tech Serve Solutions with an assay of 99%.
- Synonyms
- [(CH3)3C]2C6H3CO2H
![3,5-Di-tert-butylbenzoic acid ([(CH3)3C]2C6H3CO2H) — chemical structure, CAS 16225-26-6; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F16225-26-6.png&w=3840&q=75)
Organic Synthesis Intermediate
3,5-Di-tert-butylbenzoic acid serves as a key building block in organic synthesis. Its sterically hindered nature is valuable for directing reactions or creating specific molecular architectures.
Synthesis of Specialty Chemicals
The compound is employed in the preparation of various specialty chemicals. For example, it has been utilised in the synthesis of 5,5-di-tert-butylanilinium sulphate, showcasing its role in developing novel chemical entities.
Research and Development
As a well-defined carboxylic acid derivative, it is used in academic and industrial research laboratories for exploring new synthetic routes and developing new materials.
| Molecular weight | 234.33 |
|---|---|
| Linear formula | [(CH3)3C]2C6H3CO2H |
| Assay | 99% |
| Application | 3,5-Di-tert-butylbenzoic acid was used in the synthesis of 5,5-di-tert-butylanilinium sulphate1. |
| Melting point | 173-175 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H332Harmful if inhaled
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22 |
| Safety statements (S) | 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 3,5-Di-tert-butylbenzoic acid used for?
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3,5-Di-tert-butylbenzoic acid is used as an organic building block in chemical synthesis, including the preparation of compounds such as 5,5-di-tert-butylanilinium sulphate.
What is the CAS number and formula for 3,5-Di-tert-butylbenzoic acid?
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The CAS number for 3,5-Di-tert-butylbenzoic acid is 16225-26-6. Its linear formula is [(CH3)3C]2C6H3CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,5-Di-tert-butylbenzoic acid with a purity of 99%. This is a technical/research grade material and TSS does not represent it as USP, BP, or EP grade.
How should 3,5-Di-tert-butylbenzoic acid be handled?
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Handle 3,5-Di-tert-butylbenzoic acid with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. It is classified as harmful if swallowed, in contact with skin, or if inhaled (H302, H312, H332). Ensure good ventilation.
How is 3,5-Di-tert-butylbenzoic acid packed and exported?
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3,5-Di-tert-butylbenzoic acid is carefully packed according to safety regulations for transportation. TSS is a specialist global supplier and exporter of fine chemicals.
How can I request a sample or quote for 3,5-Di-tert-butylbenzoic acid?
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To request a sample or quote for 3,5-Di-tert-butylbenzoic acid, please contact the TSS sales team through the website or by phone.
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