Skip to main content

p-Toluquinone

Also known as: 2-Methyl-1,4-benzoquinone, 2-Methyl-2,5-cyclohexadiene-1,4-dione, Methyl-p-benzoquinone, 2-Methylbenzoquinone, Toluquinone, Tolylquinone, Methylquinone, 2-Methylquinone, 2-Methyl-para-benzoquinone, p-Benzoquinone, 2-methyl-, 2-Methylcyclohexa-2,5-diene-1,4-dione, MFCD00001603

p-Toluquinone (CAS 553-97-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H6O2 and a molecular weight of 122.121 g/mol. Key properties include a melting point of 66-67 °C(lit.), a boiling point of 186.6±15.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 64.9±17.4 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
553-97-9
Jingsj CID
J-1991099-8
Molecular Formula
C7H6O2
Molecular Weight
122.121 g/mol
Category
Ketones
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point66-67 °C(lit.)
Boiling Point186.6±15.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point64.9±17.4 °C
Exact Mass122.036781
PSA34.14000
LogP0.86
Vapor Pressure0.7±0.4 mmHg at 25°C
Refractive Index1.524
Additional Propertyinsoluble

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2914690090
Summary2914690090 other quinones。Supervision conditions:None。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 p-Toluquinone?

The CAS number of p-Toluquinone is 553-97-9.

What are the molecular formula and molecular weight of p-Toluquinone?

p-Toluquinone has molecular formula C7H6O2 and molecular weight 122.121 g/mol.

Is p-Toluquinone hazardous?

p-Toluquinone has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

What are the upstream and downstream products of p-Toluquinone?

For p-Toluquinone, Upstream Products: 2,5-Dimethoxytoluene, 2-Methylbenzamide, m-Cresol; Downstream Products: 4-bromo-2,5-dimethoxybenzoic acid, Mesaconic acid, Formic Acid.

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

Last updated:

How to cite: Jingsj. "p-Toluquinone (CAS 553-97-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991099-8 (accessed 2026-11-06).

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