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Tempol

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Tempol molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 3 grades and pack sizes of Tempol (CAS 2226-96-2). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS2226-96-2
Molecular formulaC9H18NO2
Molecular weight172.25 g/mol
SynonymsTanol · 4-Oxypiperidol · TMPN · HyTEMPO · Nitroxyl 2 · 1-Piperidinyloxy, 4-hydroxy-2,2,6,6-tetramethyl-
Safety & Hazards (GHS) Danger
Corrosive Corrosive Irritant Irritant Health hazard Health hazard
  • H302 Harmful if swallowed
  • H318 Causes serious eye damage
  • H373 May causes damage to organs through prolonged or repeated exposure

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand Product / grade Code
Sigma 4-HYDROXY-TEMPO, 97% 176141-1G
176141-25G
176141-5G		 Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.