2-ethyl-2-methyl-1,3-dioxolane
2-乙基-2-甲基-1,3-二氧戊环
Also known as: 2-butanone cyclic ethylene acetal, 2-butanone ethylene ketal, 2,2-ethylenedioxybutane, 2-ethyl-2-methyldioxolane, 2-methyl-2-ethyl-1,3-dioxolane, 2-methyl-2-ethyldioxolane, NSC 829
2-ethyl-2-methyl-1,3-dioxolane (CAS 126-39-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C6H12O2 and a molecular weight of 116.15800 g/mol. It is also known as 2-butanone cyclic ethylene acetal, 2-butanone ethylene ketal and 2,2-ethylenedioxybutane. Key properties include a boiling point of 116-117 °C(lit.), a density of 0.929 g/mL at 25 °C(lit.) and a flash point of 55 °F. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 126-39-6
- Jingsj CID
- J-1992954-9
- Molecular Formula
- C6H12O2
- Chinese Name
- 2-乙基-2-甲基-1,3-二氧戊环
- Molecular Weight
- 116.15800 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 116-117 °C(lit.) |
|---|---|
| Density | 0.929 g/mL at 25 °C(lit.) |
| Flash Point | 55 °F |
| Exact Mass | 116.08400 |
| PSA | 18.46000 |
| LogP | 1.15940 |
| Vapor Pressure | 21.9mmHg at 25°C |
| Refractive Index | n20/D 1.409(lit.) |
| Storage Conditions | Refrigerator |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H332 — Harmful if inhaled
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. 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 2-ethyl-2-methyl-1,3-dioxolane?
The CAS number of 2-ethyl-2-methyl-1,3-dioxolane is 126-39-6.
What are the molecular formula and molecular weight of 2-ethyl-2-methyl-1,3-dioxolane?
2-ethyl-2-methyl-1,3-dioxolane has molecular formula C6H12O2 and molecular weight 116.15800 g/mol.
Is 2-ethyl-2-methyl-1,3-dioxolane hazardous?
2-ethyl-2-methyl-1,3-dioxolane has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-ethyl-2-methyl-1,3-dioxolane (CAS 126-39-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1992954-9 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.