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HomeProduct name list4-ACETAMIDO-TEMPO

4-ACETAMIDO-TEMPO

Synonym(s):4-Acetamido-2,2,6,6-tetramethylpiperidine 1-oxyl

  • CAS NO.:14691-89-5
  • Empirical Formula: C11H21N2O2*
  • Molecular Weight: 213.3
  • MDL number: MFCD00043593
  • EINECS: 423-840-3
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-08-14 13:33:12
4-ACETAMIDO-TEMPO Structural

What is 4-ACETAMIDO-TEMPO?

Chemical properties

ORANGE-RED CRYSTALLINE POWDER

The Uses of 4-ACETAMIDO-TEMPO

4-Acetamido-TEMPO, free radical oxidizes alcohols to carbonyl compounds in the presence of TsOH.

General Description

4-Acetamido-2,2,6,6-tetramethylpiperidine 1-oxyl undergoes one-electron oxidation and reduction reactions. Reaction products were analyzed by 1H, 13C and 15N NMR spectral data.

Purification Methods

Dissolve the 1-oxyl in CH2Cl2, wash it with saturated K2CO3, then saturated aqueous NaCl, dry (Na2SO4), filter and evaporate. The red solid is recrystallised from aqueous MeOH, m 147.5o. [Ma & Bobbitt J Org Chem 56 6110 1991, Rozantsev & Kokhanov Bull Acad Sci USSR, Div Chem Sci 15 1422 1966, Beilstein 22/8 V 174.]

Properties of 4-ACETAMIDO-TEMPO

Melting point: 143-145 °C (lit.) 143-146 °C
Boiling point: 353.29°C (rough estimate)
Density  1.0451 (rough estimate)
refractive index  1.4620 (estimate)
storage temp.  2-8°C
solubility  Soluble in ethanol, acetone, acetonitrile, methylene chloride. Insoluble in hexane, ether.
form  powder to crystaline
color  Light yellow to Brown
BRN  3546225
CAS DataBase Reference 14691-89-5(CAS DataBase Reference)
EPA Substance Registry System 1-Piperidinyloxy, 4-(acetylamino)-2,2,6,6-tetramethyl- (14691-89-5)

Safety information for 4-ACETAMIDO-TEMPO

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H302:Acute toxicity,oral
Precautionary Statement Codes P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P270:Do not eat, drink or smoke when using this product.
P501:Dispose of contents/container to..…

Computed Descriptors for 4-ACETAMIDO-TEMPO

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