3,3-dimethyl-2-pentanone
Also known as: 3,3-dimethylpentan-2-one, 2-pentanone, 3,3-dimethyl-, 3,3-dimethyl-2-pentanone, tert-amyl methyl ketone, methyl tert-pentyl ketone, methyl 1,1-dimethylpropyl ketone, C2H5C(CH3)2COCH3
3,3-dimethyl-2-pentanone (CAS 20669-04-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H14O and a molecular weight of 114.18500 g/mol. Key properties include a boiling point of 128.1ºC at 760mmHg, a density of 0.808g/cm3 and a flash point of 22.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20669-04-9
- Jingsj CID
- J-1422358-6
- Molecular Formula
- C7H14O
- Molecular Weight
- 114.18500 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 128.1ºC at 760mmHg |
|---|---|
| Density | 0.808g/cm3 |
| Flash Point | 22.4ºC |
| Exact Mass | 114.10400 |
| PSA | 17.07000 |
| LogP | 2.01160 |
| Vapor Pressure | 10.8mmHg at 25°C |
| Refractive Index | 1.403 |
Customs & Trade Information
| HS Code | 2914190090 |
|---|---|
| Summary | 2914190090 other acyclic ketones without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 3,3-dimethyl-2-pentanone?
The CAS number of 3,3-dimethyl-2-pentanone is 20669-04-9.
What are the molecular formula and molecular weight of 3,3-dimethyl-2-pentanone?
3,3-dimethyl-2-pentanone has molecular formula C7H14O and molecular weight 114.18500 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,3-dimethyl-2-pentanone (CAS 20669-04-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1422358-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.