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  • 826-36-8

Name 2,2,6,6-tetramethyl-4-piperidone
Category Pharmaceutical intermediates
Basic Information
Synonyms 4-Piperidinone, 2,2,6,6-tetramethyl-;
triacetone amine;
CAS number 826-36-8
EINECS 212-554-2
Formula  C9H17NO
Structure 826-36-8
Molecular Weight 155.24
Melting Point 59-61 °C
Flashing Point 73°C
Boiling point  105-105°C/18mm
density   0.9796 g/mL at 25 °C(lit.)
COA Information
Apperance Light Yellow Powder
Purity min. 99%
Moisture max. 1.0%
Safety Information
Hazard Codes  C,Xn
Risk Statements  34-22-36/37/38
RTECS   TO0127900
Safety Statements   45-36/37/39-26-22-36/37

HS Code   29333990
2,2,6,6-tetramethyl-4-piperidone is an organic compound with the formula OC(CH2CMe2)2NH (where Me = CH3). It is a colorless or white solid that melts near room temperature. The compound is an intermediate in the preparation of 2,2,6,6-tetramethylpiperidine, a sterically hindered base and precursor to the reagent called TEMPO. Triacetonamine is formed by the poly-aldol condensation of acetone in the presence of ammonia and calcium chloride.