3,3-Dimethoxy-2-butanone
3,3-二甲氧基-2-丁酮
Also known as: 3,3-Dimethoxybutan-2-one, 2-Butanone, 3,3-dimethoxy-, 3,3-Dimethoxy-2-oxobutane, 3,3-Dimethoxy-butan-2-one, Diacetyl-mono-dimethylacetal, MFCD00075266
3,3-Dimethoxy-2-butanone (CAS 21983-72-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C6H12O3 and a molecular weight of 132.158 g/mol. It is also known as 3,3-Dimethoxybutan-2-one, 2-Butanone, 3,3-dimethoxy- and 3,3-Dimethoxy-2-oxobutane. Key properties include a boiling point of 145.5±0.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 45.0±0.0 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21983-72-2
- Jingsj CID
- J-1078102-9
- Molecular Formula
- C6H12O3
- Chinese Name
- 3,3-二甲氧基-2-丁酮
- Molecular Weight
- 132.158 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 145.5±0.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 45.0±0.0 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 3,3-Dimethoxy-2-butanone?
The CAS number of 3,3-Dimethoxy-2-butanone is 21983-72-2.
What are the molecular formula and molecular weight of 3,3-Dimethoxy-2-butanone?
3,3-Dimethoxy-2-butanone has molecular formula C6H12O3 and molecular weight 132.158 g/mol.
Is 3,3-Dimethoxy-2-butanone hazardous?
3,3-Dimethoxy-2-butanone has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,3-Dimethoxy-2-butanone (CAS 21983-72-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1078102-9 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.