Potassium bifluoride

氟氢化钾

Also known as: Potassium hydrogen difluoride, Potassium hydrogen fluoride, Potassium acid fluoride, Potassium hydrofluoride, Potassium monohydrogen difluoride, Potassium fluoride hydrofluoride (1:1:1), K(HF2), Kaliumhydrogenfluorid, Bifluorure de potassium

Potassium bifluoride (CAS 7789-29-9) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula HF2K and a molecular weight of 78.103 g/mol. It is also known as Potassium hydrogen difluoride, Potassium hydrogen fluoride and Potassium acid fluoride. Key properties include a melting point of 239 °C(lit.), a boiling point of 19.5ºC at 760 mmHg and a density of 2.37 g/mL at 25 °C(lit.). GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
7789-29-9
Jingsj CID
J-1991793-9
Molecular Formula
HF2K
Chinese Name
氟氢化钾
Molecular Weight
78.103 g/mol
Category
Inorganic Chemicals
Last updated
8/21/2026

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Physicochemical Properties

Melting Point239 °C(lit.)
Boiling Point19.5ºC at 760 mmHg
Density2.37 g/mL at 25 °C(lit.)

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of Potassium bifluoride?

The CAS number of Potassium bifluoride is 7789-29-9.

What are the molecular formula and molecular weight of Potassium bifluoride?

Potassium bifluoride has molecular formula HF2K and molecular weight 78.103 g/mol.

Is Potassium bifluoride hazardous?

Potassium bifluoride 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. "Potassium bifluoride (CAS 7789-29-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991793-9 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.