Hexafluorophosphoric acid
六氟磷酸
Also known as: Hydrogen hexafluorophosphate, Hexafluorophosphoric acid solution, HPF6
Hexafluorophosphoric acid (CAS 16940-81-1) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula F6HP and a molecular weight of 145.97200 g/mol. It is also known as Hydrogen hexafluorophosphate, Hexafluorophosphoric acid solution and HPF6. Key properties include a melting point of 10 °C and a density of 1.651 g/mL at 25 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 16940-81-1
- Jingsj CID
- J-6793-5
- Molecular Formula
- F6HP
- Chinese Name
- 六氟磷酸
- Molecular Weight
- 145.97200 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 10 °C |
|---|---|
| Density | 1.651 g/mL at 25 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Hexafluorophosphoric acid?
The CAS number of Hexafluorophosphoric acid is 16940-81-1.
What are the molecular formula and molecular weight of Hexafluorophosphoric acid?
Hexafluorophosphoric acid has molecular formula F6HP and molecular weight 145.97200 g/mol.
Is Hexafluorophosphoric acid hazardous?
Hexafluorophosphoric acid has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Hexafluorophosphoric acid (CAS 16940-81-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6793-5 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.