4-tert-Octylphenol
4-tert-Octylphenol (CAS 140-66-9), molecular formula (CH3)3CCH2C(CH3)2C6H4OH, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.
- IUPAC
- 4-(1,1,3,3-Tetramethylbutyl)phenol

| Molecular weight | 206.32 |
|---|---|
| Linear formula | (CH3)3CCH2C(CH3)2C6H4OH |
| Assay | 97% |
| Boiling point | 175 °C/30 mmHg(lit.) |
| Solubility | water: slightly soluble0.007 g/L at 20 °C |
| Melting point | 79-82 °C(lit.) |


Hazard statements
- H315Causes skin irritation
- H318Causes serious eye damage
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P501Dispose of contents and container per local regulations
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xi,N |
| Risk statements (R) | 38-41-50/53 |
| Safety statements (S) | 26-39-60-61 |
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
Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS 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 4-tert-Octylphenol?
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4-tert-Octylphenol (CAS 140-66-9), molecular formula (CH3)3CCH2C(CH3)2C6H4OH, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.
What grades of 4-tert-Octylphenol does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-tert-Octylphenol in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.
What is the CAS number and molecular formula of 4-tert-Octylphenol?
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4-tert-Octylphenol has CAS number 140-66-9 and molecular formula (CH3)3CCH2C(CH3)2C6H4OH. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for 4-tert-Octylphenol?
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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.
Do you provide a Certificate of Analysis (CoA) with each shipment?
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Yes. Every batch of 4-tert-Octylphenol ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.
How should 4-tert-Octylphenol be stored?
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Store 4-tert-Octylphenol in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.
What is 4-tert-Octylphenol used for?
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4-tert-Octylphenol is used in chemical synthesis applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.
How do I request a quote for 4-tert-Octylphenol?
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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.
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