2,2-Difluorosuccinic acid
2,2-二氟丁二酸
Also known as: 2,2-Difluoro-succinic acid, 2,2-Difluorobutane-1,4-dioic acid, 2,2-Difluorosuccinic acid 97%, Butanedioic acid, 2,2-difluoro-, MFCD00040970, EINECS 211-558-1
2,2-Difluorosuccinic acid (CAS 665-31-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H4F2O4 and a molecular weight of 154.069 g/mol. It is also known as 2,2-Difluoro-succinic acid, 2,2-Difluorobutane-1,4-dioic acid and 2,2-Difluorosuccinic acid 97%. Key properties include a melting point of 144-145°C, a boiling point of 227.5±35.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 91.4±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 665-31-6
- Jingsj CID
- J-34277-3
- Molecular Formula
- C4H4F2O4
- Chinese Name
- 2,2-二氟丁二酸
- Molecular Weight
- 154.069 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 144-145°C |
|---|---|
| Boiling Point | 227.5±35.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 91.4±25.9 °C |
Frequently Asked Questions
What is the CAS number of 2,2-Difluorosuccinic acid?
The CAS number of 2,2-Difluorosuccinic acid is 665-31-6.
What are the molecular formula and molecular weight of 2,2-Difluorosuccinic acid?
2,2-Difluorosuccinic acid has molecular formula C4H4F2O4 and molecular weight 154.069 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,2-Difluorosuccinic acid (CAS 665-31-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34277-3 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.