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. It is classified under GHS with signal word Danger and hazard statements H312 — Harmful in contact with skin, H332 — Harmful if inhaled and H360 — May damage fertility or the unborn child. 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
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 45-46°C |
|---|---|
| Boiling Point | 78-80°C 5mm |
| Density | 1.171g/cm3 |
| Flash Point | 78-80°C/5mm |
| Exact Mass | 143.05800 |
| PSA | 46.61000 |
| LogP | 0.31150 |
| Vapor Pressure | 2.98mmHg at 25°C |
| Refractive Index | 1.457 |
| Storage Conditions | 2-8℃ |
GHS Safety & Compliance
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
- H360 — May damage fertility or the unborn child
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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 and hazard statements H312 — Harmful in contact with skin; H332 — Harmful if inhaled; H360 — May damage fertility or the unborn child.
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 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.