2-tert-Butylphenol
2-tert-Butylphenol (CAS: 88-18-6), with the linear formula (CH3)3CC6H4OH and a molecular weight of 150.22 g/mol, is a substituted phenol. It is a key intermediate in organic synthesis and finds application in the production of antioxidants, resins, and other speciality chemicals. Its distinct chemical structure lends itself to various industrial applications requiring phenolic compounds with specific steric and electronic properties.
- Synonyms
- o-tert-ButylphenolPhenol, o-(1,1-dimethylethyl)-2-(1,1-Dimethylethyl)phenol

Antioxidant Precursor
2-tert-Butylphenol serves as a vital building block in the synthesis of sterically hindered phenolic antioxidants. These antioxidants are crucial for stabilising polymers, fuels, and lubricants against oxidative degradation.
Resin Production
It is employed in the manufacture of phenolic resins, contributing to their properties such as thermal stability and chemical resistance. These resins find use in adhesives, coatings, and composite materials.
Chemical Synthesis Intermediate
As an organic building block, 2-tert-Butylphenol is utilised in multi-step syntheses for speciality chemicals and pharmaceutical intermediates. Its tert-butyl group influences reactivity and product characteristics.
Research and Development
This compound is used in research laboratories for exploring new chemical pathways and developing novel materials or molecules with potential biological activity or specific material properties.
| Molecular weight | 150.22 |
|---|---|
| Linear formula | (CH3)3CC6H4OH |
| Assay | 99% |
| Boiling point | 224 °C(lit.) |
| Density | 0.978 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.523(lit.) |
| Vapour pressure | 0.05 mmHg (20 °C) |
| Melting point | −7 °C(lit.) |



Hazard statements
- H302Harmful if swallowed
- H311Toxic in contact with skin
- H314Causes severe skin burns and eye damage
- H330Fatal if inhaled
- H400Very toxic to aquatic life
Precautionary statements
- P260Do not breathe dust, fume, gas, mist, vapours or spray
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P284Wear respiratory protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Transport (UN / ADR) | UN 2922 8/PG 2 |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | T |
| Risk statements (R) | 21/22-23-34 |
| Safety statements (S) | 26-36/37/39-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Gene Information | mouse ... Esr1(13982) |
|---|
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 2-tert-Butylphenol used for?
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2-tert-Butylphenol is primarily used as an intermediate in the synthesis of antioxidants and phenolic resins. It is also employed in the production of speciality chemicals and in research and development.
What is the CAS number and chemical formula for 2-tert-Butylphenol?
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The CAS number for 2-tert-Butylphenol is 88-18-6, and its linear chemical formula is (CH3)3CC6H4OH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-tert-Butylphenol with an assay of 99%. We do not represent this product as USP, BP, or EP grade.
How should 2-tert-Butylphenol be handled safely?
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2-tert-Butylphenol is a corrosive substance that is harmful if swallowed, in contact with skin, or if inhaled. It causes severe skin burns and eye damage. Handling requires appropriate personal protective equipment, including gloves, eye protection, and respiratory protection. Refer to the Safety Data Sheet for detailed handling instructions.
How is 2-tert-Butylphenol packed and exported?
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2-tert-Butylphenol is packed in accordance with international transport regulations for hazardous materials, including UN 2922 (Corrosive liquid, toxic, n.o.s. or Corrosive solid, toxic, n.o.s.). Tech Serve Solutions exports globally, adhering to all relevant shipping requirements.
How can I request a sample or quote for 2-tert-Butylphenol?
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To request a sample or obtain a quotation for 2-tert-Butylphenol, please contact our sales team through the website or by phone, providing your contact details and the quantity required.
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