2,2-Difluoro-1,3-benzodioxole-5-carbaldehyde
Also known as: 1,3-Benzodioxole-5-carboxaldehyde, 2,2-difluoro-, 2,2-Difluoro-1,3-benzodioxole-5-carboxaldehyde, 2,2-Difluorobenzo[d][1,3]dioxole-5-carbaldehyde, 2,2-Difluoro-5-formyl-1,3-benzodioxole, 2,2-Difluoro-5-formylbenzodioxole, 2,2-difluoro-2H-1,3-benzodioxole-5-carbaldehyde, 5-Formyl-2,2-difluorobenzodioxole, MFCD00792420
2,2-Difluoro-1,3-benzodioxole-5-carbaldehyde (CAS 656-42-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H4F2O3 and a molecular weight of 186.112 g/mol. Key properties include a boiling point of 210.5±40.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 79.1±22.2 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 656-42-8
- Jingsj CID
- J-1992761-8
- Molecular Formula
- C8H4F2O3
- Molecular Weight
- 186.112 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 210.5±40.0 °C at 760 mmHg |
|---|---|
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 79.1±22.2 °C |
| Exact Mass | 186.012848 |
| PSA | 35.53000 |
| LogP | 2.98 |
| Vapor Pressure | 0.2±0.4 mmHg at 25°C |
| Refractive Index | 1.525 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 2,2-Difluoro-1,3-benzodioxole-5-carbaldehyde?
The CAS number of 2,2-Difluoro-1,3-benzodioxole-5-carbaldehyde is 656-42-8.
What are the molecular formula and molecular weight of 2,2-Difluoro-1,3-benzodioxole-5-carbaldehyde?
2,2-Difluoro-1,3-benzodioxole-5-carbaldehyde has molecular formula C8H4F2O3 and molecular weight 186.112 g/mol.
Is 2,2-Difluoro-1,3-benzodioxole-5-carbaldehyde hazardous?
2,2-Difluoro-1,3-benzodioxole-5-carbaldehyde has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,2-Difluoro-1,3-benzodioxole-5-carbaldehyde (CAS 656-42-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1992761-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.