3-Isochromanone

3-异色酮

Also known as: 3-Isochromanone, 1,4-Dihydro-3H-2-benzopyran-3-one, 1,4-Dihydro-3H-isochromen-3-one, 1,4-dihydroisochromen-3-one, 2-Hydroxymethylphenylacetic acid lactone, 3,6-Dihydro-4,5-benzo-2-pyrone, 3H-2-Benzopyran-3-one, 1,4-dihydro-, ISOCHROMAN-3-ONE, 1H-2-Benzopyran-3(4H)-one

3-Isochromanone (CAS 4385-35-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H8O2 and a molecular weight of 148.159 g/mol. It is also known as 1,4-Dihydro-3H-2-benzopyran-3-one, 1,4-Dihydro-3H-isochromen-3-one and 1,4-dihydroisochromen-3-one. Key properties include a melting point of 80-82 °C(lit.), a boiling point of 332.6±31.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 137.7±22.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4385-35-7
Jingsj CID
J-37823-3
Molecular Formula
C9H8O2
Chinese Name
3-异色酮
Molecular Weight
148.159 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point80-82 °C(lit.)
Boiling Point332.6±31.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point137.7±22.2 °C

Frequently Asked Questions

What is the CAS number of 3-Isochromanone?

The CAS number of 3-Isochromanone is 4385-35-7.

What are the molecular formula and molecular weight of 3-Isochromanone?

3-Isochromanone has molecular formula C9H8O2 and molecular weight 148.159 g/mol.

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

Last updated:

How to cite: Jingsj. "3-Isochromanone (CAS 4385-35-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-37823-3 (accessed 2026-10-22).

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