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ChemicalBook >  Product Catalog >  Organic Chemistry >  Alcohols,Phenols,Phenol alcohols >  Alcohol derivatives >  2,2,6,6-Tetramethyl-4-piperidinol

2,2,6,6-Tetramethyl-4-piperidinol

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2,2,6,6-Tetramethyl-4-piperidinol Basic information

Product Name:
2,2,6,6-Tetramethyl-4-piperidinol
Synonyms:
  • TAA-OL
  • TRIACETONEAMINO ALCOHOL
  • Tetramethyl piperidylol
  • 2,2,6,6-TETRAMETHYL-4-PIPERIDINOL 99+%
  • Triacetoneamino Alcohol TAA-ol
  • Triacetonalkamine
  • 6-Tetramethyl-4-piperidinol
  • 4-HYDROXY-2,2,6,6-TETRAMETHYLPIPERIDINE TAA-OL
CAS:
2403-88-5
MF:
C9H19NO
MW:
157.25
EINECS:
219-291-2
Product Categories:
  • Chemical intermediate
  • Aromatics
  • API intermediates
  • Heterocycles
  • Intermediates
  • Nitric Oxide Reagents
  • Industrial/Fine Chemicals
  • Nitrogen cyclic compounds
  • Miscellaneous
Mol File:
2403-88-5.mol
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2,2,6,6-Tetramethyl-4-piperidinol Chemical Properties

Melting point:
129-131 °C(lit.)
Boiling point:
212-215 °C(lit.)
Density 
1.085
refractive index 
1.4248 (estimate)
Flash point:
212-215°C
storage temp. 
Keep in dark place,Inert atmosphere,Room temperature
solubility 
methanol: 0.1 g/mL, clear
pka
14.99±0.60(Predicted)
form 
Crystals, Crystalline Powder and/or Chunks
color 
White to off-white or slightly beige
PH
11.2 (4g/l, H2O, 20℃)
Water Solubility 
130 g/L (23 ºC)
BRN 
105039
InChIKey
VDVUCLWJZJHFAV-UHFFFAOYSA-N
CAS DataBase Reference
2403-88-5(CAS DataBase Reference)
NIST Chemistry Reference
4-Piperidinol, 2,2,6,6-tetramethyl-(2403-88-5)
EPA Substance Registry System
4-Piperidinol, 2,2,6,6-tetramethyl- (2403-88-5)
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Safety Information

Hazard Codes 
Xi,C
Risk Statements 
36/37/38-43-34
Safety Statements 
26-36-45-36/37/39
RIDADR 
UN3259 8/PG 2
WGK Germany 
1
RTECS 
TN7871675
Hazard Note 
Irritant
TSCA 
Yes
HazardClass 
8
PackingGroup 
III
HS Code 
29333999

MSDS

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2,2,6,6-Tetramethyl-4-piperidinol Usage And Synthesis

Chemical Properties

white to slightly beige crystalline powder

Uses

An intermediate in the preparation of Piperidinyloxy free radical derivatives.

Synthesis Reference(s)

The Journal of Organic Chemistry, 37, p. 2050, 1972 DOI: 10.1021/jo00977a047

Purification Methods

The piperidine crystallises from water as a hydrate and crystallises from dry ether or *C6H6 as the anhydrous base. The hydrochloride has m 282-284o (from EtOH/H2O), and the formate has m 207o(dec, from EtOH/EtOAc). [Mailey & Day J Org Chem 22 1061 1957, Beilstein 21 I 195, 21 III/IV 146, 21/1 V 159.]

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