1,3-Benzodioxole
Also known as: 1,2-Methylenedioxybenzene, 3,4-Methylenedioxybenzene, Methylenedioxybenzene, Benzo[d][1,3]dioxole, Benzodioxole, 1,3-Benzodioxolan, 1,2-(Methylenedioxy)benzene, Methylenedioxy benzene, Paroxetine Impurity 12, MFCD00005818, EINECS 205-992-0, 1,3-Dioxaindan, 1,3-Dioxindan
1,3-Benzodioxole (CAS 274-09-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H6O2 and a molecular weight of 122.121 g/mol. Key properties include a melting point of -18 °C, a boiling point of 173.0±15.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 55.0±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 274-09-9
- Jingsj CID
- J-33615-8
- Molecular Formula
- C7H6O2
- Molecular Weight
- 122.121 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -18 °C |
|---|---|
| Boiling Point | 173.0±15.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 55.0±0.0 °C |
| Exact Mass | 122.036781 |
| PSA | 18.46000 |
| LogP | 2.08 |
| Vapor Pressure | 1.7±0.3 mmHg at 25°C |
| Refractive Index | 1.558 |
| Additional Property | 0.2 g/100 mL (25 ºC) |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H332 — Harmful if inhaled
Customs & Trade Information
| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 1,3-Benzodioxole?
The CAS number of 1,3-Benzodioxole is 274-09-9.
What are the molecular formula and molecular weight of 1,3-Benzodioxole?
1,3-Benzodioxole has molecular formula C7H6O2 and molecular weight 122.121 g/mol.
Is 1,3-Benzodioxole hazardous?
1,3-Benzodioxole has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H332 — Harmful if inhaled.
What are the upstream and downstream products of 1,3-Benzodioxole?
For 1,3-Benzodioxole, Upstream Products: 5-Bromo-1,3-benzodioxole, Dichloromethane, Catechol; Downstream Products: 1,3-Benzodioxole-4-carboxylic acid, Catechol, 5,6-Dibromo-1,3-benzodioxole.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,3-Benzodioxole (CAS 274-09-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33615-8 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.