3-tert-Butylpyrocatechol

Also known as: 3-tert-Butylcatechol, 3-(tert-Butyl)benzene-1,2-diol, 3-tert-Butyl-1,2-benzenediol, 3-t-butyl-catechol, 2-Hydroxy-3-tert-butylphenol, 1,2-Benzenediol, 3-(1,1-dimethylethyl)-, 3-(2-Methyl-2-propanyl)-1,2-benzenediol, 3-tert-butylbenzene-1,2-diol

3-tert-Butylpyrocatechol (CAS 4026-05-5) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C10H14O2 and a molecular weight of 166.21700 g/mol. Key properties include a melting point of 55 °C, a boiling point of 265.6ºC at 760mmHg, a density of 1.086g/cm3 and a flash point of 122.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 4026-05-5
Jingsj CID: J-1398363-6
Molecular Formula: C₁₀H₁₄O₂
Molecular Weight: 166.21700 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	55 °C
Boiling Point	265.6ºC at 760mmHg
Density	1.086g/cm3
Flash Point	122.5ºC
Exact Mass	166.09900
PSA	40.46000
LogP	2.39530
Vapor Pressure	0.00555mmHg at 25°C
Refractive Index	1.545
Storage Conditions	2-8°C

Customs & Trade Information

HS Code	2907299090
Summary	2907299090 polyphenols; phenol-alcohols。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:5.5%。general tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3-tert-Butylpyrocatechol?

The CAS number of 3-tert-Butylpyrocatechol is 4026-05-5.

What are the molecular formula and molecular weight of 3-tert-Butylpyrocatechol?

3-tert-Butylpyrocatechol has molecular formula C10H14O2 and molecular weight 166.21700 g/mol.

What are the upstream and downstream products of 3-tert-Butylpyrocatechol?

For 3-tert-Butylpyrocatechol, Upstream Products: 2-tert-Butylphenol, 2,4,6-Tri-tert-butylphenol, Catechol; Downstream Products: 3,5-Di-tert-butylcatechol, Catechol, 1-nitrocyclohex-1-ene.

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-tert-Butylpyrocatechol (CAS 4026-05-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1398363-6 (accessed 2026-11-09).

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