Difluorophosphoric acid
二氟磷酸
Also known as: Difluorophosphoric acid anhydrous, Difluorophosphoric acid hemihydrate, Phosphorodifluoridic acid, Difluorophosphinic acid, Difluorophosphoric acid (solution), Difluorophosphorsaeure, Phosphonodifluoridic acid, UN1768, MFCD00040322, EINECS 237-421-6
Difluorophosphoric acid (CAS 13779-41-4) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula F2HO2P and a molecular weight of 101.97700 g/mol. It is also known as Difluorophosphoric acid anhydrous, Difluorophosphoric acid hemihydrate and Phosphorodifluoridic acid. Key properties include a melting point of -75 °C, a boiling point of 115,9°C and a density of 1,583 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 13779-41-4
- Jingsj CID
- J-46390-2
- Molecular Formula
- F2HO2P
- Chinese Name
- 二氟磷酸
- Molecular Weight
- 101.97700 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -75 °C |
|---|---|
| Boiling Point | 115,9°C |
| Density | 1,583 g/cm3 |
Frequently Asked Questions
What is the CAS number of Difluorophosphoric acid?
The CAS number of Difluorophosphoric acid is 13779-41-4.
What are the molecular formula and molecular weight of Difluorophosphoric acid?
Difluorophosphoric acid has molecular formula F2HO2P and molecular weight 101.97700 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Difluorophosphoric acid (CAS 13779-41-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-46390-2 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.