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4-Ethynyl-1H-pyrazole

CAS 57121-49-0 · C5H4N2
Hazard class
Danger — Corrosive, Toxic, Irritant / harmful, Health hazard
Pictograms
CorrosiveToxicIrritant / harmfulHealth hazard
H-statements
  • H302 Harmful if swallowed
  • H311 Toxic in contact with skin
  • H315 Causes skin irritation
  • H318 Causes serious eye damage
  • H319 Causes serious eye irritation
  • H335 May cause respiratory irritation
  • H372 Causes damage to organs through prolonged or repeated exposure
  • H412 Harmful to aquatic life with long lasting effects
Synonyms
4-ETHYNYL-1H-PYRAZOLE · 57121-49-0 · 4-ethynylpyrazole · MFCD18207413 · CHEMBL4547378 · 1H-Pyrazole, 4-ethynyl- · SCHEMBL462055 · 4-Ethynyl-1H-pyrazole,95+
Molecular weight
92.1 g/mol
Browse similar
Corrosive · Toxic · Irritant / harmful · Health hazard
Data source
Aggregated classification PubChem
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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.