Trimethadione

三甲双酮

Also known as: 3,5,5-Trimethyloxazolidine-2,4-dione, 3,5,5-Trimethyl-1,3-oxazolidine-2,4-dione, Tridione, 3,5,5-Trimethyl-2,4-dioxooxazolidine, 3,5,5-Trimethyl-2,4-oxazolidinedione, 3,5,5-Trimethyloxozolidine-2,4-dione

Trimethadione (CAS 127-48-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C6H9NO3 and a molecular weight of 143.14100 g/mol. It is also known as 3,5,5-Trimethyloxazolidine-2,4-dione, 3,5,5-Trimethyl-1,3-oxazolidine-2,4-dione and Tridione. Key properties include a melting point of 45-46°C, a boiling point of 78-80°C 5mm, a density of 1.171g/cm3 and a flash point of 78-80°C/5mm. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
127-48-0
Jingsj CID
J-22245-5
Molecular Formula
C6H9NO3
Chinese Name
三甲双酮
Molecular Weight
143.14100 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point45-46°C
Boiling Point78-80°C 5mm
Density1.171g/cm3
Flash Point78-80°C/5mm

GHS Safety & Compliance

Irritant / Health HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of Trimethadione?

The CAS number of Trimethadione is 127-48-0.

What are the molecular formula and molecular weight of Trimethadione?

Trimethadione has molecular formula C6H9NO3 and molecular weight 143.14100 g/mol.

Is Trimethadione hazardous?

Trimethadione has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "Trimethadione (CAS 127-48-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-22245-5 (accessed 2026-10-23).

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