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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). Reagent 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.