Skip to main content

2,5-Dihydroxy-1,4-benzoquinone

Also known as: 2,5-Dihydroxy-p-benzoquinone, 2,5-Dihydroxybenzoquinone, 2,5-Dihydroxy-2,5-cyclohexadiene-1,4-dione, 3,6-Dihydroxy-2,5-cyclohexadiene-1,4-dione, Dihydroxy-p-quinonate acid, 2,5-Dihydroxy-p-quinone, p-Benzoquinone, 2,5-dihydroxy-, EINECS 210-454-3, MFCD00001598, 2,5-di-hydroxy-1,4-benzoquinone, 2,5-dihydroxy-1,4-benzoquinone

2,5-Dihydroxy-1,4-benzoquinone (CAS 615-94-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C6H4O4 and a molecular weight of 140.09400 g/mol. Key properties include a melting point of 235 °C (dec.)(lit.), a boiling point of 322.3ºC at 760 mmHg, a density of 1.843 g/cm3 and a flash point of 162.9ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
615-94-1
Jingsj CID
J-37146-0
Molecular Formula
C6H4O4
Molecular Weight
140.09400 g/mol
Category
Ketones
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point235 °C (dec.)(lit.)
Boiling Point322.3ºC at 760 mmHg
Density1.843 g/cm3
Flash Point162.9ºC
Exact Mass140.01100
PSA74.60000
LogP0.02200
Refractive Index1.729

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H332 — Harmful if inhaled
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of 2,5-Dihydroxy-1,4-benzoquinone?

The CAS number of 2,5-Dihydroxy-1,4-benzoquinone is 615-94-1.

What are the molecular formula and molecular weight of 2,5-Dihydroxy-1,4-benzoquinone?

2,5-Dihydroxy-1,4-benzoquinone has molecular formula C6H4O4 and molecular weight 140.09400 g/mol.

Is 2,5-Dihydroxy-1,4-benzoquinone hazardous?

2,5-Dihydroxy-1,4-benzoquinone has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.

What are the upstream and downstream products of 2,5-Dihydroxy-1,4-benzoquinone?

For 2,5-Dihydroxy-1,4-benzoquinone, Upstream Products: Resorcinol, Hydroquinone, 4,5-Dimethoxy-1,2-benzoquinone; Downstream Products: Malonic acid, Carbon dioxide, acetic 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. "2,5-Dihydroxy-1,4-benzoquinone (CAS 615-94-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-37146-0 (accessed 2026-11-09).

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