4,4-Dimethoxytetrahydro-4H-pyran
4,4-二甲氧基四氢-4H-吡喃
Also known as: 4,4-Dimethoxyoxane, Tetrahydro-2H-pyran-4-one dimethyl acetal, 4,4-Dimethoxytetrahydro-2H-pyran, 2H-Pyran, tetrahydro-4,4-dimethoxy-, Tetrahydropyran-4-one dimethyl acetal, 4,4-Dimethoxy-tetrahydro-4H-pyran, Tetrahydro-4H-pyran-4-one dimethyl acetal
4,4-Dimethoxytetrahydro-4H-pyran (CAS 28218-71-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C7H14O3 and a molecular weight of 146.18400 g/mol. It is also known as 4,4-Dimethoxyoxane, Tetrahydro-2H-pyran-4-one dimethyl acetal and 4,4-Dimethoxytetrahydro-2H-pyran. Key properties include a boiling point of 172ºC at 760 mmHg, a density of 1.042 g/mL at 20ºC(lit.) and a flash point of 53.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 28218-71-5
- Jingsj CID
- J-1506536-6
- Molecular Formula
- C7H14O3
- Chinese Name
- 4,4-二甲氧基四氢-4H-吡喃
- Molecular Weight
- 146.18400 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 172ºC at 760 mmHg |
|---|---|
| Density | 1.042 g/mL at 20ºC(lit.) |
| Flash Point | 53.9ºC |
Frequently Asked Questions
What is the CAS number of 4,4-Dimethoxytetrahydro-4H-pyran?
The CAS number of 4,4-Dimethoxytetrahydro-4H-pyran is 28218-71-5.
What are the molecular formula and molecular weight of 4,4-Dimethoxytetrahydro-4H-pyran?
4,4-Dimethoxytetrahydro-4H-pyran has molecular formula C7H14O3 and molecular weight 146.18400 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,4-Dimethoxytetrahydro-4H-pyran (CAS 28218-71-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1506536-6 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.