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Hydrofluoric Acid

CAS 7664-39-3 · FH

Hazard class

Danger — Toxic, Corrosive

Pictograms

ToxicCorrosive

H-statements

H330 Fatal if inhaled
H310 Fatal in contact with skin
H300 Fatal if swallowed
H314 Causes severe skin burns and eye damage

Common uses (US EPA CDR)

Etching agentBrightenerIntermediateCleaning agentAdhesion/cohesion promoterProcessing aids not otherwise specified

Workplace exposure limits

NIOSH REL TWA 3 ppm (2.5 mg/m3) C 6 ppm (5 mg/m3) [15-minute]
OSHA PEL TWA 3 ppm 7906
IDLH 30 ppm

Occupational exposure limits — NIOSH Pocket Guide.

Synonyms

HYDROFLUORIC ACID · Hydrogen fluoride · 7664-39-3 · Fluorhydric acid · Hydrofluoride · Rubigine · Fluorwasserstoff · Antisal 2B

Molecular weight

20.0064 g/mol

Browse similar

Toxic · Corrosive

Data source

Harmonised classification ECHA — EU CLP Annex VI

Legally binding EU classification adopted by ECHA under CLP Annex VI — the highest-confidence GHS source.

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GHS/CLP classification from authoritative registries (ECHA Annex VI, PubChem). SNRL is a free chemical safety search. Browse categories · API · Console

Guide only. This information is compiled from published safety data sheets and public regulatory registries and is believed correct at the date of publication shown. It is not all-inclusive and shall be used only as a guide. It does not replace the manufacturer’s current Safety Data Sheet, which governs in all cases. SNRL shall not be held liable for any injury, loss or damage resulting from handling of, or contact with, any product listed.