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2,2,6,6-Tetramethyl-4-piperidone hydrochloride

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2,2,6,6-Tetramethyl-4-piperidone hydrochloride Basic information

Product Name:
2,2,6,6-Tetramethyl-4-piperidone hydrochloride
Synonyms:
  • 4-Piperidinone, 2,2,6,6-tetramethyl-, hydrochloride
  • 2,2,6,6-Tetramethyl-4-piperidinone·hydrochloride
  • 2,2,6,6-Tetramethyl-4-piperidone hydrochloride,97%
  • 4-Oxo-2,2,6,6-tetramethylpiperidine hydrochloride
  • 2,2,6,6-Tetramethyl-4-azacyclohexanone Hydrochloride Triacetonamine Hydrochloride
  • 2,2,6,6-Tetramethylpiperidin-4-onehydrochloride97%
  • 2,2,6,6-TETRAMETHYL-4-PIPERIDONE HYDROCHLORIDE
  • 2,2,6,6-TETRAMETHYLPIPERIDONE-4 HYDROCHLORIDE
CAS:
33973-59-0
MF:
C9H18ClNO
MW:
191.7
EINECS:
251-769-6
Product Categories:
  • Building Blocks
  • Chemical Synthesis
  • Building Blocks
  • Heterocyclic Building Blocks
  • Piperidones
  • Heterocyclic Building Blocks
Mol File:
33973-59-0.mol
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2,2,6,6-Tetramethyl-4-piperidone hydrochloride Chemical Properties

Melting point:
198 °C (dec.)(lit.)
storage temp. 
Sealed in dry,Room Temperature
form 
powder
color 
White to off-white
BRN 
4154554
LogP
1.323 (est)
CAS DataBase Reference
33973-59-0(CAS DataBase Reference)
EPA Substance Registry System
4-Piperidinone, 2,2,6,6-tetramethyl-, hydrochloride (33973-59-0)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36-24/25
WGK Germany 
3
8
Hazard Note 
Irritant
HS Code 
2933399990

MSDS

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2,2,6,6-Tetramethyl-4-piperidone hydrochloride Usage And Synthesis

Chemical Properties

white to slightly beige crystalline powder

Uses

2,2,6,6-Tetramethyl-4-piperidone hydrochloride has been used as a reagent injected in the micromixer using a Rheodyne injection valve for introducing discrete sample pulses into the miniaturised-SYNthesis and Total Analysis System (πSYNTAS).

Purification Methods

Purify the salt by recrystallisation from EtOH/Et2O, MeCN or Me2CO/MeOH. The free base has m 37-39o (after sublimation), b 102-105o/18mm, and the hydrate has m 56-58o (wet Et2O); the hydrobromide has m 203o (from EtOH/Et2O), and the picrate has m 196o (from aqueous EtOH). [Sandris & Ourisson Bull Soc Chim Fr 345 1958, Beilstein 21 H 246, 21 I 273, 21 II 222, 21 III/IV 3278, 21/6 V 538.]

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