tetrahydro-4-methyl-2H-pyran-2-one
四氢-4-甲基-2H-吡喃-2-酮
Also known as: 4-methyloxan-2-one, 3-methyl-5-valerolactone, 4-methyltetrahydro-2H-pyran-2-one, 4-methyltetrahydro-2-pyrone, 3-methyl-5-pentanolide, 3-methyl-5-hydroxypentanoic acid lactone, β-methyl-δ-valerolactone, 2H-Pyran-2-one, tetrahydro-4-methyl-, NSC 32358
tetrahydro-4-methyl-2H-pyran-2-one (CAS 1121-84-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C6H10O2 and a molecular weight of 114.14200 g/mol. It is also known as 4-methyloxan-2-one, 3-methyl-5-valerolactone and 4-methyltetrahydro-2H-pyran-2-one. Key properties include a boiling point of 215.7ºC at 760 mmHg, a density of 1.001g/cm3 and a flash point of 79.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1121-84-2
- Jingsj CID
- J-43539-4
- Molecular Formula
- C6H10O2
- Chinese Name
- 四氢-4-甲基-2H-吡喃-2-酮
- Molecular Weight
- 114.14200 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 215.7ºC at 760 mmHg |
|---|---|
| Density | 1.001g/cm3 |
| Flash Point | 79.8ºC |
Frequently Asked Questions
What is the CAS number of tetrahydro-4-methyl-2H-pyran-2-one?
The CAS number of tetrahydro-4-methyl-2H-pyran-2-one is 1121-84-2.
What are the molecular formula and molecular weight of tetrahydro-4-methyl-2H-pyran-2-one?
tetrahydro-4-methyl-2H-pyran-2-one has molecular formula C6H10O2 and molecular weight 114.14200 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "tetrahydro-4-methyl-2H-pyran-2-one (CAS 1121-84-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-43539-4 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.