(7aS)-4,7a-Dimethyl-5,6,7,7a-tetrahydroindan-1,5-dione

2,3,7,7a-四氢-4,7a-二甲基-1H-茚-1,5(6H)-二酮

Also known as: 1H-Indene-1,5(6H)-dione, 2,3,7,7a-tetrahydro-4,7a-dimethyl-, (7aS)-, (7aS)-2,3,7,7a-Tetrahydro-4,7aβ-dimethyl-1H-indene-1,5(6H)-dione, (7aS)-4,7aβ-Dimethyl-2,3,7,7a-tetrahydro-1H-indene-1,5(6H)-dione, (S)-4,7aβ-Dimethyl-2,3,5,6,7,7a-hexahydro-1H-indene-1,5-dione, 4,7aβ-Dimethyl-2,3,7,7a-tetrahydro-1H-indene-1,5(6H)-dione, 2,3,7,7a-Tetrahydro-4,7a-dimethyl-1H-indene-1,5(6H)-dione

(7aS)-4,7a-Dimethyl-5,6,7,7a-tetrahydroindan-1,5-dione (CAS 28255-09-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H10O2 and a molecular weight of 150.17400 g/mol. It is also known as 1H-Indene-1,5(6H)-dione, 2,3,7,7a-tetrahydro-4,7a-dimethyl-, (7aS)-, (7aS)-2,3,7,7a-Tetrahydro-4,7aβ-dimethyl-1H-indene-1,5(6H)-dione and (7aS)-4,7aβ-Dimethyl-2,3,7,7a-tetrahydro-1H-indene-1,5(6H)-dione. Key properties include a boiling point of 310ºC, a density of 1.11 and a flash point of 116ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
28255-09-6
Jingsj CID
J-1349129-9
Molecular Formula
C9H10O2
Chinese Name
2,3,7,7a-四氢-4,7a-二甲基-1H-茚-1,5(6H)-二酮
Molecular Weight
150.17400 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point310ºC
Density1.11
Flash Point116ºC

Frequently Asked Questions

What is the CAS number of (7aS)-4,7a-Dimethyl-5,6,7,7a-tetrahydroindan-1,5-dione?

The CAS number of (7aS)-4,7a-Dimethyl-5,6,7,7a-tetrahydroindan-1,5-dione is 28255-09-6.

What are the molecular formula and molecular weight of (7aS)-4,7a-Dimethyl-5,6,7,7a-tetrahydroindan-1,5-dione?

(7aS)-4,7a-Dimethyl-5,6,7,7a-tetrahydroindan-1,5-dione has molecular formula C9H10O2 and molecular weight 150.17400 g/mol.

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

Last updated:

How to cite: Jingsj. "(7aS)-4,7a-Dimethyl-5,6,7,7a-tetrahydroindan-1,5-dione (CAS 28255-09-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1349129-9 (accessed 2026-10-23).

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