4-Hydroxy-TEMPO

4-Hydroxy-TEMPO

IUPAC name 1-λ¹-oxidanyl-2,2,6,6-tetramethylpiperidin-4-ol
Other names tempol; tanol; TMPN; 4-Oxypiperidol; nitroxyl 2; HyTEMPO
Identifiers
CAS number	2226-96-2^Y
PubChem	137994
ChemSpider	121639^Y
ChEMBL	CHEMBL607023^Y
Jmol-3D images	Image 1
SMILES CC1(CC(CC(N1[O])(C)C)O)C
InChI InChI=1S/C9H18NO2/c1-8(2)5-7(11)6-9(3,4)10(8)12/h7,11H,5-6H2,1-4H3^Y Key: UZFMOKQJFYMBGY-UHFFFAOYSA-N^Y InChI=1/C9H18NO2/c1-8(2)5-7(11)6-9(3,4)10(8)12/h7,11H,5-6H2,1-4H3 Key: UZFMOKQJFYMBGY-UHFFFAOYAG
Properties
Molecular formula	C₉H₁₈NO₂
Molar mass	172.24 g/mol
Appearance	orange crystals
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

4-Hydroxy-TEMPO or TEMPOL, formally 4-hydroxy-2,2,6,6-tetramethylpiperidin-1-oxyl, is a heterocyclic compound. Like the related TEMPO, it is used as a catalyst, chemical oxidant.

External links

http://www.organic-chemistry.org/chemicals/oxidations/tempo-2,2,6,6-tetramethylpiperidinyloxy.shtm