1H-2-Benzopyran-1,4(3H)-dione

异色满-1,4-二酮

Also known as: Isochroman-1,4-dione, isochromane-1,4-dione, 1,4-isochromandione, Isochroman-1,4-dion

1H-2-Benzopyran-1,4(3H)-dione (CAS 5693-27-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H6O3 and a molecular weight of 162.14200 g/mol. It is also known as Isochroman-1,4-dione, isochromane-1,4-dione and 1,4-isochromandione. Key property: a boiling point of 382.8±31.0°C at 760 mmHg. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 5693-27-6
Jingsj CID: J-1096231-2
Molecular Formula: C₉H₆O₃
Chinese Name: 异色满-1,4-二酮
Molecular Weight: 162.14200 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	382.8±31.0°C at 760 mmHg

Frequently Asked Questions

What is the CAS number of 1H-2-Benzopyran-1,4(3H)-dione?

The CAS number of 1H-2-Benzopyran-1,4(3H)-dione is 5693-27-6.

What are the molecular formula and molecular weight of 1H-2-Benzopyran-1,4(3H)-dione?

1H-2-Benzopyran-1,4(3H)-dione has molecular formula C9H6O3 and molecular weight 162.14200 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1H-2-Benzopyran-1,4(3H)-dione (CAS 5693-27-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1096231-2 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.