3a-Hydroxy-3,3a,7,7a-tetrahydrobenzofuran-2,6-dione

3a-羟基-3,3a,7,7a-四氢苯并呋喃-2,6-二酮

Also known as: 1-Oxo-4-hydroxy-2-en-4-ethylcyclohexa-5,8-olide, 2,6-Benzofurandione, 3,3a,7,7a-tetrahydro-3a-hydroxy-, 3a-Hydroxy-3,3a,7,7a-tetrahydro-1-benzofuran-2,6-dione, 3a-hydroxy-3,3a,7,7a-tetrahydro-benzofuran-2,6-dione

3a-Hydroxy-3,3a,7,7a-tetrahydrobenzofuran-2,6-dione (CAS 55604-88-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H8O4 and a molecular weight of 168.15 g/mol. It is also known as 1-Oxo-4-hydroxy-2-en-4-ethylcyclohexa-5,8-olide, 2,6-Benzofurandione, 3,3a,7,7a-tetrahydro-3a-hydroxy- and 3a-Hydroxy-3,3a,7,7a-tetrahydro-1-benzofuran-2,6-dione. Key properties include a boiling point of 449.2±45.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 194.6±22.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
55604-88-1
Jingsj CID
J-1956522-0
Molecular Formula
C8H8O4
Chinese Name
3a-羟基-3,3a,7,7a-四氢苯并呋喃-2,6-二酮
Molecular Weight
168.15 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point449.2±45.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point194.6±22.2 °C

Frequently Asked Questions

What is the CAS number of 3a-Hydroxy-3,3a,7,7a-tetrahydrobenzofuran-2,6-dione?

The CAS number of 3a-Hydroxy-3,3a,7,7a-tetrahydrobenzofuran-2,6-dione is 55604-88-1.

What are the molecular formula and molecular weight of 3a-Hydroxy-3,3a,7,7a-tetrahydrobenzofuran-2,6-dione?

3a-Hydroxy-3,3a,7,7a-tetrahydrobenzofuran-2,6-dione has molecular formula C8H8O4 and molecular weight 168.15 g/mol.

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

Last updated:

How to cite: Jingsj. "3a-Hydroxy-3,3a,7,7a-tetrahydrobenzofuran-2,6-dione (CAS 55604-88-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1956522-0 (accessed 2026-10-25).

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