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4-Hydroxy-2,2,6,6-Tetramethyl-Piperidinooxy

4-Hydroxy-2,2,6,6-Tetramethyl-Piperidinooxy / CAS : 2226-96-2

Appearance Orange crystal UN -
HS 29339900 DG Class -
Synonyms 4-Hydroxy-2,2,6,6-Te; 4-Hydroxy-2,2,6,6-Tetramethylpiperidine 1-Oxyl,Tempol; Hydroxy-Tempo; Nr-I; 4-Hydroxy-Tempo Free Radical; 4-Hydroxy-2,2,6,6-Tetramethyl Piperidinyloxy,Free Radical; Nr1; 4-Hydroxy-2,2,6,6-Tetramethylpiperidinoxy Radical; 4-Oxypiperidol; Nitroxyl2; Tmpn; Tanol; 2,2,6,6-Tetramethyl-4-Hydroxy-1-Piperidinyloxy Radical; 4-Hydroxy-2,2,6,6-Tetramethylpiperidine-1-Oxyl; Tempol; Polymerization Inhibitor 701; 4-Hydroxy-2,2,6,6-Tetramethyl-1-Piperidin-1-Yloxy,Free Radical; ZJ-701; 4-Hydroxy-Tempo; 4-Oh-Tempo; 4-Hydroxy-2,2,6,6-Tetramethyl-Piperidinyloxy; 4-Hydroxy-2,2,6,6-Tetramethylpiperidine 1-Oxyl Free Radical; 4-Hydroxy-2,2,6,6-Tetramethylpiperidine-1-Oxy
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Properties

Summary

Formula
C9H18NO2
Molecular Mass
172.24500
Exact Mass
172.13400
PSA
23.47000
Logp
1.28370
IUPAC
4-Hydroxy-2,2,6,6-tetramethylpiperidine-1-oxyl
SMILES
CC1(CC(CC(N1[O])(C)C)O)C

Attribute classification

Matter Classification
organic
Category
API & Intermediate > Pharmaceutical Intermediates
Auxiliary > Other Auxiliary Agent

Chemical and Physical Properties

Melting Point
69-71 °C
Density
1.187 g/cm3
Boiling Point
269ºC
Flash Point
146°C
Appearance
Orange crystal

Export information

HS Code
29339900
Export Rebate
13%
Risk Code
R22-36/37/38-36/38
Safety Label
Xn,Xi

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