2,5-diethoxycyclohexa-2,5-diene-1,4-dione

Also known as: 2,5-Diethoxy-1,4-benzoquinone, 2,5-Diethoxy-p-benzoquinone, 2,5-Diethoxybenzo-1,4-quinone, 2,5-cyclohexadiene-1,4-dione, 2,5-diethoxy-, 2,5-Diaethoxy-[1,4]benzochinon, NSC157891, SCHEMBL5441061, AKOS006272531

2,5-diethoxycyclohexa-2,5-diene-1,4-dione (CAS 20765-04-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H12O4 and a molecular weight of 196.20000 g/mol. Key properties include a boiling point of 333.7ºC at 760 mmHg, a density of 1.16 g/cm3 and a flash point of 148.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 20765-04-2
Jingsj CID: J-19458-1
Molecular Formula: C₁₀H₁₂O₄
Molecular Weight: 196.20000 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	333.7ºC at 760 mmHg
Density	1.16 g/cm3
Flash Point	148.5ºC
Exact Mass	196.07400
PSA	52.60000
LogP	0.97900
Vapor Pressure	0.000135mmHg at 25°C
Refractive Index	1.498

Customs & Trade Information

HS Code	2914690090
Summary	2914690090 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 2,5-diethoxycyclohexa-2,5-diene-1,4-dione?

The CAS number of 2,5-diethoxycyclohexa-2,5-diene-1,4-dione is 20765-04-2.

What are the molecular formula and molecular weight of 2,5-diethoxycyclohexa-2,5-diene-1,4-dione?

2,5-diethoxycyclohexa-2,5-diene-1,4-dione has molecular formula C10H12O4 and molecular weight 196.20000 g/mol.

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. "2,5-diethoxycyclohexa-2,5-diene-1,4-dione (CAS 20765-04-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19458-1 (accessed 2026-11-09).

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