4,5-Dimethyl-1,3-dioxane
4,5-二甲基-1,3-二噁烷
Also known as: 1,3-Dioxane, 4,5-dimethyl-
4,5-Dimethyl-1,3-dioxane (CAS 1121-20-6) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H12O2 and a molecular weight of 116.158 g/mol. It is also known as 1,3-Dioxane, 4,5-dimethyl-. Key properties include a boiling point of 126.3±8.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 30.1±12.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1121-20-6
- Jingsj CID
- J-1528432-5
- Molecular Formula
- C6H12O2
- Chinese Name
- 4,5-二甲基-1,3-二噁烷
- Molecular Weight
- 116.158 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 126.3±8.0 °C at 760 mmHg |
|---|---|
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 30.1±12.3 °C |
Frequently Asked Questions
What is the CAS number of 4,5-Dimethyl-1,3-dioxane?
The CAS number of 4,5-Dimethyl-1,3-dioxane is 1121-20-6.
What are the molecular formula and molecular weight of 4,5-Dimethyl-1,3-dioxane?
4,5-Dimethyl-1,3-dioxane has molecular formula C6H12O2 and molecular weight 116.158 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,5-Dimethyl-1,3-dioxane (CAS 1121-20-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1528432-5 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.