5-methoxy-1,3-isobenzofurandione
5-甲氧基异苯并呋喃-1,3-二酮
Also known as: 5-Methoxy-isobenzofuran-1,3-dione, 5-Methoxy-2-benzofuran-1,3-dione, 1,3-Isobenzofurandione, 5-methoxy-, 4-Methoxyphthalic anhydride, 5-Methoxy-1,3-dihydro-2-benzofuran-1,3-dione, 5-Methoxy-1,3-isobenzofurandione
- CAS No.
- 28281-76-7
- Jingsj CID
- J-1515957-3
- Molecular Formula
- C9H6O4
- Chinese Name
- 5-甲氧基异苯并呋喃-1,3-二酮
- Molecular Weight
- 178.141 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Boiling Point | 348.6±25.0 °C at 760 mmHg |
|---|---|
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 158.8±23.2 °C |
Frequently Asked Questions
What is the CAS number of 5-methoxy-1,3-isobenzofurandione?
28281-76-7
What are the molecular formula and molecular weight of 5-methoxy-1,3-isobenzofurandione?
C9H6O4, molecular weight 178.141 g/mol
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026