3,3-dimethylpentane-2,4-dione
3,3-二甲基-2,4-戊二酮
Also known as: 3,3-Dimethylacetylacetone, 2,4-Pentanedione, 3,3-dimethyl-, 2,4-Pentanedione,3,3-dimethyl-, NSC 42609, 3,3-Dimethyl-2,4-pentanedione
3,3-dimethylpentane-2,4-dione (CAS 3142-58-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H12O2 and a molecular weight of 128.16900 g/mol. It is also known as 3,3-Dimethylacetylacetone, 2,4-Pentanedione, 3,3-dimethyl- and 2,4-Pentanedione,3,3-dimethyl-. Key properties include a boiling point of 173ºC at 760mmHg, a density of 0.926g/cm3 and a flash point of 57ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3142-58-3
- Jingsj CID
- J-11865-1
- Molecular Formula
- C7H12O2
- Chinese Name
- 3,3-二甲基-2,4-戊二酮
- Molecular Weight
- 128.16900 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 173ºC at 760mmHg |
|---|---|
| Density | 0.926g/cm3 |
| Flash Point | 57ºC |
Frequently Asked Questions
What is the CAS number of 3,3-dimethylpentane-2,4-dione?
The CAS number of 3,3-dimethylpentane-2,4-dione is 3142-58-3.
What are the molecular formula and molecular weight of 3,3-dimethylpentane-2,4-dione?
3,3-dimethylpentane-2,4-dione has molecular formula C7H12O2 and molecular weight 128.16900 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,3-dimethylpentane-2,4-dione (CAS 3142-58-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11865-1 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.