Fluoroboric acid

氟硼酸

Also known as: Tetrafluoroboric acid, Borofluoric acid, Fluoboric acid, Hydrogen tetrafluoroborate

Fluoroboric acid (CAS 16872-11-0) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula BF4H and a molecular weight of 87.81260 g/mol. It is also known as Tetrafluoroboric acid, Borofluoric acid and Fluoboric acid. Key properties include a melting point of -90°C, a boiling point of 130°C (dec.), a density of 1.38 g/mL at 20 °C(lit.) and a flash point of −40 °F. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
16872-11-0
Jingsj CID
J-2857-2
Molecular Formula
BF4H
Chinese Name
氟硼酸
Molecular Weight
87.81260 g/mol
Category
Inorganic Chemicals
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-90°C
Boiling Point130°C (dec.)
Density1.38 g/mL at 20 °C(lit.)
Flash Point−40 °F

Frequently Asked Questions

What is the CAS number of Fluoroboric acid?

The CAS number of Fluoroboric acid is 16872-11-0.

What are the molecular formula and molecular weight of Fluoroboric acid?

Fluoroboric acid has molecular formula BF4H and molecular weight 87.81260 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Fluoroboric acid (CAS 16872-11-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-2857-2 (accessed 2026-10-23).

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