3,5-Di-tert-butylphenol

Also known as: 3,5-Di-t-butylphenol, 3,5-bis(1,1-dimethylethyl)phenol, Phenol, 3,5-bis(1,1-dimethylethyl)-, Phenol, 3,5-di-tert-butyl-, 3,5-bis(2-methyl-2-propanyl)phenol, NSC 68209, EINECS 214-513-4, MFCD00008829

3,5-Di-tert-butylphenol (CAS 1138-52-9) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C14H22O and a molecular weight of 206.324 g/mol. Key properties include a melting point of 87-89 °C(lit.), a boiling point of 276.7±9.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 127.2±7.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1138-52-9
Jingsj CID: J-3991-8
Molecular Formula: C₁₄H₂₂O
Molecular Weight: 206.324 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	87-89 °C(lit.)
Boiling Point	276.7±9.0 °C at 760 mmHg
Density	0.9±0.1 g/cm3
Flash Point	127.2±7.2 °C
Exact Mass	206.167068
PSA	20.23000
LogP	4.86
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.499
Stability	Stable. Incompatible with bases, acid chlorides, acid anhydrides, oxidizing agents, brass, steel, copper, copper alloys.

Activity & Biological Data

Additional Information	[1]. Janarthanam Rathna, et al. Anti-biofilm mechanisms of 3,5-di-tert-butylphenol against clinically relevant fungal pathogens. Biofouling. 2016 Oct;32(9):979-93. [2]. Jian-Hua Chen, et al. Characterization of Volatile Organic Compounds Emitted from Endophytic Burkholderia cenocepacia ETR-B22 by SPME-GC-MS and Their Inhibitory Activity against Various Plant Fungal Pathogens. Molecules. 2020 Aug 19;25(17):3765.

Additional Information

[1]. Janarthanam Rathna, et al. Anti-biofilm mechanisms of 3,5-di-tert-butylphenol against clinically relevant fungal pathogens. Biofouling. 2016 Oct;32(9):979-93. [2]. Jian-Hua Chen, et al. Characterization of Volatile Organic Compounds Emitted from Endophytic Burkholderia cenocepacia ETR-B22 by SPME-GC-MS and Their Inhibitory Activity against Various Plant Fungal Pathogens. Molecules. 2020 Aug 19;25(17):3765.

Frequently Asked Questions

What is the CAS number of 3,5-Di-tert-butylphenol?

The CAS number of 3,5-Di-tert-butylphenol is 1138-52-9.

What are the molecular formula and molecular weight of 3,5-Di-tert-butylphenol?

3,5-Di-tert-butylphenol has molecular formula C14H22O and molecular weight 206.324 g/mol.

What are the upstream and downstream products of 3,5-Di-tert-butylphenol?

For 3,5-Di-tert-butylphenol, Upstream Products: 3,5-Di-tert-butylphenyl trifluoromethanesulfonate, 3,5-Di-tert-butylbenzoic acid, Isobutylene; Downstream Products: 4-tert-Butylphenol, 3-tert-Butylphenol, 2,6-Di-tert-butyl-p-benzoquinone.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "3,5-Di-tert-butylphenol (CAS 1138-52-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3991-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.