7-Methoxy-4,4-dimethylisochroman-1,3-dione
7-甲氧基-4,4-二甲基异色满-1,3-二酮
Also known as: 4,4-Dimethyl-7-methoxyisochroman-1,3-dione, 7-Methoxy-4,4-dimethyl-1H-2-benzopyran-1,3(4H)-dione, 7-Methoxy-4,4-dimethyl-3,4-dihydro-1H-2-benzopyran-1,3-dione, Gliquidone Impurity 9, 7-Methoxy-4,4-dimethylisochromane-1,3-dione
7-Methoxy-4,4-dimethylisochroman-1,3-dione (CAS 55974-25-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C12H12O4 and a molecular weight of 220.221 g/mol. It is also known as 4,4-Dimethyl-7-methoxyisochroman-1,3-dione, 7-Methoxy-4,4-dimethyl-1H-2-benzopyran-1,3(4H)-dione and 7-Methoxy-4,4-dimethyl-3,4-dihydro-1H-2-benzopyran-1,3-dione. Key properties include a boiling point of 366.9±42.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 164.4±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 55974-25-9
- Jingsj CID
- J-1186746-3
- Molecular Formula
- C12H12O4
- Chinese Name
- 7-甲氧基-4,4-二甲基异色满-1,3-二酮
- Molecular Weight
- 220.221 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 366.9±42.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 164.4±27.9 °C |
Frequently Asked Questions
What is the CAS number of 7-Methoxy-4,4-dimethylisochroman-1,3-dione?
The CAS number of 7-Methoxy-4,4-dimethylisochroman-1,3-dione is 55974-25-9.
What are the molecular formula and molecular weight of 7-Methoxy-4,4-dimethylisochroman-1,3-dione?
7-Methoxy-4,4-dimethylisochroman-1,3-dione has molecular formula C12H12O4 and molecular weight 220.221 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "7-Methoxy-4,4-dimethylisochroman-1,3-dione (CAS 55974-25-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1186746-3 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.