4-tert-Butylcatechol

Also known as: p-tert-Butylcatechol, 4-tert-Butylpyrocatechol, TBC, PTBC, 4-(1,1-Dimethylethyl)-1,2-benzenediol, 4-tert-Butyl-1,2-dihydroxybenzene, p-tert-Butylpyrocatechol

4-tert-Butylcatechol (CAS 98-29-3) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C10H14O2 and a molecular weight of 166.217 g/mol. Key properties include a melting point of 52-55 °C(lit.), a boiling point of 286.3±20.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 135.5±16.4 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 98-29-3
Jingsj CID: J-1993583-8
Molecular Formula: C₁₀H₁₄O₂
Molecular Weight: 166.217 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	52-55 °C(lit.)
Boiling Point	286.3±20.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	135.5±16.4 °C
Exact Mass	166.099380
PSA	40.46000
LogP	2.57
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.545
Additional Property	0.2 g/100 mL (25 ºC)

GHS Safety & Compliance

Corrosion / Irritant / Environmental HazardSignal word: Danger

H302 — Harmful if swallowed
H312 — Harmful in contact with skin
H314 — Causes severe skin burns and eye damage
H317 — May cause an allergic skin reaction
H410 — Very toxic to aquatic life with long lasting effects

Customs & Trade Information

HS Code	29072900

Frequently Asked Questions

What is the CAS number of 4-tert-Butylcatechol?

The CAS number of 4-tert-Butylcatechol is 98-29-3.

What are the molecular formula and molecular weight of 4-tert-Butylcatechol?

4-tert-Butylcatechol has molecular formula C10H14O2 and molecular weight 166.217 g/mol.

Is 4-tert-Butylcatechol hazardous?

4-tert-Butylcatechol has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H314 — Causes severe skin burns and eye damage.

What are the upstream and downstream products of 4-tert-Butylcatechol?

For 4-tert-Butylcatechol, Upstream Products: 4-tert-Butylphenol, Catechol, tert-Butanol; Downstream Products: 2-tert-Butyl-1,4-benzoquinone, 3,4-Dihydro-2H-pyrido[1,2-a]pyrimidin-2-one, 4-Fluorocatechol.

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. "4-tert-Butylcatechol (CAS 98-29-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993583-8 (accessed 2026-11-07).

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