HYDROFLUORIC ACID

Also known as: EINECS 231-634-8, Fluoric acid, Fluorowodor, Fluorwaterstof, Hydrofluoric Acid, Hydrofluoric acid, Hydrofluoride, Hydrogen fluoride, MFCD00011346, Rubigine, antisal2b, fluorhydric acid, hydrofluoric, hydrogen Fluoride, hydrogen fluorid, hydrogen fluoride

HYDROFLUORIC ACID (CAS 7664-39-3) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula FH and a molecular weight of 20.00630 g/mol. Key properties include a melting point of -35°C, a boiling point of 105°C, a density of 1.15 g/mL at 25 °C(lit.) and a flash point of 112°C. It is classified under GHS with signal word Danger and hazard statements H300, H310 and H330 — Fatal if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 7664-39-3
Jingsj CID: J-38539-7
Molecular Formula: FH
Molecular Weight: 20.00630 g/mol
Category: Inorganic Chemicals
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	-35°C
Boiling Point	105°C
Density	1.15 g/mL at 25 °C(lit.)
Flash Point	112°C
Exact Mass	20.00620
LogP	0.53270
Additional Property	1.27 (vs air)
Vapor Pressure	25 mm Hg ( 20 °C)
Additional Property	soluble

GHS Safety & Compliance

Corrosion / Acute ToxicitySignal word: Danger

H300
H310
H330 — Fatal if inhaled
H314 — Causes severe skin burns and eye damage

Customs & Trade Information

HS Code	2811110000

Frequently Asked Questions

What is the CAS number of HYDROFLUORIC ACID?

The CAS number of HYDROFLUORIC ACID is 7664-39-3.

What are the molecular formula and molecular weight of HYDROFLUORIC ACID?

HYDROFLUORIC ACID has molecular formula FH and molecular weight 20.00630 g/mol.

Is HYDROFLUORIC ACID hazardous?

HYDROFLUORIC ACID has GHS signal word Danger and hazard statements H300; H310; H330 — Fatal if inhaled.

What are the upstream and downstream products of HYDROFLUORIC ACID?

For HYDROFLUORIC ACID, Upstream Products: 2,3-DIMETHYL-1,3-BUTADIENE, Triethyloxonium tetrafluoroborate, Bis(trifluoromethane)sulfonimide; Downstream Products: 2-Chloro-1,4-bis(trifluoromethyl)benzene, 3,3-Diphenylpropanoic acid, 1,1-Dichloro-2,2,2-trifluoroethane.

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

Last updated: 8/21/2026

How to cite: Jingsj. "HYDROFLUORIC ACID (CAS 7664-39-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38539-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.