5,6-Dihydroxy-1,3-benzodioxole
5,6-二羟基-1,3-苯并间二氧杂环戊烯
Also known as: 1,3-Benzodioxole-5,6-diol, Benzo[d][1,3]dioxole-5,6-diol, Pyrocatechol,4,5-(methylenedioxy)-
5,6-Dihydroxy-1,3-benzodioxole (CAS 21505-20-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H6O4 and a molecular weight of 154.12000 g/mol. It is also known as 1,3-Benzodioxole-5,6-diol, Benzo[d][1,3]dioxole-5,6-diol and Pyrocatechol,4,5-(methylenedioxy)-. Key properties include a boiling point of 359.8ºC at 760mmHg, a density of 1.581g/cm3 and a flash point of 171.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21505-20-4
- Jingsj CID
- J-1505766-0
- Molecular Formula
- C7H6O4
- Chinese Name
- 5,6-二羟基-1,3-苯并间二氧杂环戊烯
- Molecular Weight
- 154.12000 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 359.8ºC at 760mmHg |
|---|---|
| Density | 1.581g/cm3 |
| Flash Point | 171.4ºC |
Frequently Asked Questions
What is the CAS number of 5,6-Dihydroxy-1,3-benzodioxole?
The CAS number of 5,6-Dihydroxy-1,3-benzodioxole is 21505-20-4.
What are the molecular formula and molecular weight of 5,6-Dihydroxy-1,3-benzodioxole?
5,6-Dihydroxy-1,3-benzodioxole has molecular formula C7H6O4 and molecular weight 154.12000 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5,6-Dihydroxy-1,3-benzodioxole (CAS 21505-20-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1505766-0 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.