3,5-Di-tert-butyl-4-hydroxybenzoic acid
3,5-Di-tert-butyl-4-hydroxybenzoic acid (CAS: 1421-49-4) is a valuable organic compound with the linear formula [(CH3)3C]2C6H2(OH)CO2H and a molecular weight of 250.33. It serves as a crucial building block in chemical synthesis, particularly noted for its use in the preparation of antistress agents. This carboxylic acid derivative offers unique structural properties for advanced chemical research and development.
- Synonyms
- [(CH3)3C]2C6H2(OH)CO2H3,5-Bis(1,1-dimethylethyl)-4-hydroxybenzoic acid
![3,5-Di-tert-butyl-4-hydroxybenzoic acid ([(CH3)3C]2C6H2(OH)CO2H) — chemical structure, CAS 1421-49-4; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F1421-49-4.png&w=3840&q=75)
Synthesis of Antistress Agents
3,5-Di-tert-butyl-4-hydroxybenzoic acid has been documented for its application in the synthesis of antistress agents. Its specific chemical structure makes it a suitable precursor for developing compounds with potential biological activity in stress management.
Organic Building Block
As a sterically hindered phenolic carboxylic acid, this compound functions as a versatile building block in organic synthesis. It is utilised in the creation of more complex molecules across various research fields.
Research and Development
The compound's unique structure finds application in diverse research and development projects. It can be employed in studies involving antioxidants, polymer additives, or other speciality chemical syntheses where sterically hindered phenols are required.
| Molecular weight | 250.33 |
|---|---|
| Linear formula | [(CH3)3C]2C6H2(OH)CO2H |
| Assay | 98% |
| Application | 3,5-Di-tert-butyl-4-hydroxybenzoic acid was used in the synthesis of antistress agents1. |
| Melting point | 206-209 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- 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 |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38 |
| 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 3,5-Di-tert-butyl-4-hydroxybenzoic acid used for?
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3,5-Di-tert-butyl-4-hydroxybenzoic acid is primarily used as a building block in organic synthesis, notably in the preparation of antistress agents and other complex organic molecules for research and development.
What are the CAS number and formula for 3,5-Di-tert-butyl-4-hydroxybenzoic acid?
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The CAS number for 3,5-Di-tert-butyl-4-hydroxybenzoic acid is 1421-49-4. Its linear formula is [(CH3)3C]2C6H2(OH)CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,5-Di-tert-butyl-4-hydroxybenzoic acid with a minimum assay of 98%. This product is intended for research and technical applications and is not represented as USP, BP, EP, or pharmaceutical grade.
How should 3,5-Di-tert-butyl-4-hydroxybenzoic acid be handled safely?
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3,5-Di-tert-butyl-4-hydroxybenzoic acid is harmful if swallowed, causes skin irritation, causes serious eye irritation, and may cause respiratory irritation (H302, H315, H319, H335). When handling, wear a dust mask type N95 (US), eyeshields, and gloves. Avoid breathing dust. In case of contact with eyes, rinse cautiously with water for several minutes and seek medical advice if irritation persists. P261, P305 + P351 + P338.
How is this chemical packed and shipped?
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Tech Serve Solutions packs and exports chemicals according to international shipping regulations to ensure safe and compliant delivery globally. Specific packaging details are available upon request for bulk or specialised orders.
How can I request a sample or quote for 3,5-Di-tert-butyl-4-hydroxybenzoic acid?
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To request a sample or a detailed quote, please contact our sales team directly through the website or by calling our customer service line. Please specify the quantity and your delivery location.
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