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Nitric Acid

CAS 7697-37-2 · HNO3
Hazard class
Danger — Oxidiser, Toxic, Corrosive
Pictograms
OxidiserToxicCorrosive
H-statements
  • H272 May intensify fire; oxidiser
  • H331 Toxic if inhaled
  • H314 Causes severe skin burns and eye damage
  • EUH071 Corrosive to the respiratory tract
Common uses (US EPA CDR)
Soil amendments (fertilizers)IntermediateEtching agentProcessing aids not otherwise specifiedOxidizing agentCleaning agent
Workplace exposure limits
NIOSH REL TWA 2 ppm (5 mg/m3) ST 4 ppm (10 mg/m3)
OSHA PEL TWA 2 ppm (5 mg/m3)
IDLH 25 ppm
Occupational exposure limits — NIOSH Pocket Guide.
Synonyms
NITRIC ACID · 7697-37-2 · Azotic acid · Aqua fortis · Salpetersaeure · Nital · HNO3 · Acide nitrique
Molecular weight
63.013 g/mol
Browse similar
Oxidiser · 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.